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WorksheetsMAT 125 Final Exam Review
Total questions: 87
Worksheet time: 44mins
During a science lab, Lykira and Hailey are preparing equipment for an experiment. They need to ensure all tools are free from germs and bacteria. What device should they use to sterilize the equipment and supplies by subjecting them to high-pressure saturated steam?
A device used to sterilize equipment and supplies by subjecting them to high-pressure saturated steam.
A device used to measure blood pressure.
A machine for grinding medicines into powder.
An instrument for measuring body temperature.
In the school laboratory, Courtney and Lydia noticed a machine that automatically analyzes blood samples for various tests. What is this machine called?
A machine used in laboratories to automatically analyze samples for various tests.
A device used to store laboratory chemicals.
A manual tool for mixing solutions.
A computer program for scheduling lab staff.
Hailey and Isabella are working in their school laboratory and need to ensure their measurements are accurate. What are Calibration devices used for in a laboratory?
Devices used to adjust and standardize laboratory instruments to ensure accurate measurements.
Devices used to store laboratory chemicals safely.
Devices used to heat substances during experiments.
Devices used to record experimental data automatically.
Isabella and Courtney are working in their school science lab. They need to separate the liquid and solid parts of a sample based on density. Which device should they use?
A device that spins samples at high speed to separate components based on density.
A device used to measure temperature.
A tool for magnifying small objects.
An instrument for measuring atmospheric pressure.
Hailey and Lydia are scheduled for a blood test at their school. Their teacher reminds them to follow the instructions for fasting before the test. What does Fasting mean in the context of laboratory tests?
Abstaining from food and sometimes drink for a period before a test.
Taking medication before a test.
Exercising before a test.
Eating a large meal before a test.
During a science lab, Lykira and Kelsie are examining a blood sample. The lab technician tells them the sample is hemolyzed. What does Hemolyzed mean in laboratory testing?
A sample in which red blood cells have ruptured, releasing hemoglobin into the plasma.
A sample that has been contaminated with bacteria.
A sample that has clotted completely.
A sample with an abnormally high white blood cell count.
In their biology class, Taraji and Ella need to grow and maintain microbiological cultures for an experiment. Which device should they use in the laboratory?
A device used to grow and maintain microbiological cultures or cell cultures at a constant temperature.
A device used to measure the pH of a solution.
A device used to separate mixtures based on density.
A device used to sterilize laboratory equipment.
After Lykira and Hailey finish their lunch, their teacher mentions that certain changes in the body are described as 'Postprandial.' What does Postprandial mean?
Occurring after a meal.
Occurring before sleep.
Occurring during exercise.
Occurring in the morning.
In the school laboratory, Kelsie and Courtney are learning about how to ensure the results of their experiments are accurate and reliable. What is Quality assurance (QA) in a laboratory?
A system of procedures, checks, and audits to ensure laboratory results are accurate and reliable.
A method for increasing the speed of laboratory tests regardless of accuracy.
A process for reducing the number of laboratory staff required.
A technique for automating all laboratory equipment without supervision.
Marlee and Taraji are working together in a laboratory to ensure their test results are reliable. What is Quality control (QC) in laboratory testing?
Procedures and measures used to ensure the accuracy and precision of laboratory results.
A method to increase the speed of laboratory testing regardless of results.
A process to reduce the cost of laboratory equipment.
A technique to automate all laboratory processes without supervision.
Hailey and Taraji are conducting an experiment to find out how much sugar is dissolved in a glass of lemonade. What type of test are they performing?
A test that measures the amount or concentration of a substance.
A test that identifies the color of a substance.
A test that determines the shape of a container.
A test that measures the temperature of a solution.
During a science experiment, Ella and Marlee are collecting samples for a lab test. The lab technician tells them the result is 'Quantity not sufficient (QNS)'. What does this mean?
Not enough sample is available to perform the test.
The test result is positive.
The sample is contaminated.
The test was performed twice.
Ella and Courtney are working together in their school laboratory. Their teacher asks them to bring a specimen for the next experiment. What does 'specimen' mean in laboratory terms?
A sample taken for analysis or testing.
A type of laboratory equipment.
A chemical used for cleaning glassware.
A method of recording results.
Isabella brings a blood sample to the laboratory for testing. What does Turnaround time refer to in this scenario?
The time taken from receiving a specimen to reporting the results.
The time taken to prepare laboratory equipment.
The time taken for a patient to arrive at the laboratory.
The time taken to clean up after testing.
Lydia, Taraji, and Hailey are discussing different types of laboratories they learned about in class. Name three types of laboratories mentioned in their review.
Outside, Reference, Physician’s Office Laboratory.
Clinical, Industrial, Environmental.
Research, Pathology, Food Testing.
Genetic, Forensic, Water Quality.
Isabella and Hailey are helping a nurse fill out a Lab Request form at the hospital. What information do they typically need to include in the form?
Parts/Information about the patient and requested tests.
Details about hospital cafeteria menu.
Names of all hospital staff.
Weather forecast for the week.
Kelsie and Lydia are scheduled for laboratory tests next week. What are some patient preparation instructions they should follow?
Fasting, medication restrictions.
Wearing loose clothing, bringing snacks.
Avoiding water, skipping sleep.
Bringing identification, arriving late.
Isabella and Courtney are working in a laboratory and need to collect blood samples for testing. What is involved in Collecting, Handling, and Transporting Specimens (Labeling)?
Proper procedures for collecting, labeling, and transporting specimens to ensure accuracy and safety.
Only collecting specimens without labeling or transport procedures.
Transporting specimens without regard to labeling or collection methods.
Labeling specimens without following proper collection or transport protocols.
Courtney and Isabella are setting up a new laboratory and want to ensure they follow all necessary regulations. What is the purpose of CLIA?
To regulate laboratory testing and ensure quality standards (Purpose & categories).
To provide funding for hospital construction.
To license medical practitioners.
To approve new pharmaceutical drugs.
During a science class, Courtney and Isabella are learning about blood tests. Their teacher mentions CBC as an important test in Hematology. What does CBC stand for?
Complete Blood Count.
Central Blood Circulation.
Cellular Blood Chemistry.
Cerebral Blood Cells.
During a biology class, Marlee and Courtney are reviewing their hematology notes. Marlee asks Courtney, "What does Hct stand for in Hematology?" What is the correct answer?
Hematocrit.
Hemoglobin concentration.
Hematocyte.
Hepatocellular titer.
During a science class, Kelsie and Hailey are reviewing their blood test results. They notice the abbreviation 'Hgb' on their report. What does Hgb stand for in Hematology?
Hemoglobin.
Hematocrit.
Hemagglutinin.
Hemolysis.
During a biology class, Isabella and Lydia are reviewing their blood test reports. They notice the abbreviation 'Plt' in the hematology section. What does Plt stand for?
Platelet count.
Plasma level test.
Protein lipid test.
Partial lymphocyte threshold.
During a science class, Lykira and Isabella are learning about blood tests. Their teacher asks, "What are Indices in Hematology?"
Measurements that provide information about the size and hemoglobin content of red blood cells.
Proteins that help in blood clotting.
Enzymes involved in white blood cell production.
Hormones that regulate blood pressure.
During a hematology lab session, Courtney and Lydia are discussing the abbreviation 'Retic' they encountered in their blood test results. What does Retic stand for in Hematology?
Reticulocyte count.
Red cell index.
Renal tissue count.
Retina cell type.
During a science class, Courtney and Lydia are reviewing a patient's blood test results. They notice the abbreviation 'WBC' in the hematology report. What does WBC stand for?
White Blood Cell count.
Whole Blood Chemistry.
White Blood Cholesterol.
Water Balance Calculation.
During a science class, Kelsie and Courtney are learning about blood tests. Their teacher asks, "What does RBC stand for in Hematology?"
Red Blood Cell count.
Random Blood Chemistry.
Rapid Blood Circulation.
Renal Blood Component.
Lydia visits her doctor for a routine check-up. The doctor orders a Glucose test as part of her clinical chemistry panel. What is measured by this test?
The amount of glucose (sugar) in the blood.
The amount of protein in the urine.
The level of cholesterol in the blood.
The concentration of sodium in the plasma.
During a science class, Lykira and Taraji are learning about blood tests. Their teacher asks, "What is measured by Iron tests in Clinical Chemistry?"
The amount of iron in the blood.
The amount of calcium in the blood.
The amount of glucose in the blood.
The amount of potassium in the blood.
Hailey and Kelsie are studying for their Clinical Chemistry exam. They come across the term BUN in their textbook. What does BUN stand for?
Blood Urea Nitrogen.
Blood Uric Nephron.
Bile Urea Nitrogen.
Basic Urea Nitrate.
Isabella visits the clinic for a routine check-up. The doctor orders a Bilirubin test. What is measured by Bilirubin tests in Clinical Chemistry?
The amount of bilirubin in the blood.
The amount of glucose in the blood.
The amount of cholesterol in the blood.
The amount of protein in the blood.
During a laboratory session, Courtney and Marlee are reviewing the results of a blood test. They notice the symbol Na+ listed in the report. What does Na+ stand for in Clinical Chemistry?
Sodium ion.
Potassium ion.
Calcium ion.
Magnesium ion.
During a science lab, Ella and Hailey are analyzing a blood sample. They notice the report mentions Cl-. In Clinical Chemistry, what does Cl- stand for?
Chloride ion.
Chlorine gas.
Calcium ion.
Carbonate ion.
During a science lab, Taraji and Hailey are analyzing blood samples. They notice the label 'K+' in their clinical chemistry report. What does K+ stand for?
Potassium ion.
Sodium ion.
Calcium ion.
Magnesium ion.
During a science class, Kelsie and Taraji are reviewing lab results. They notice the symbol Ca+ in the report. What does Ca+ stand for in Clinical Chemistry?
Calcium ion.
Carbonate ion.
Cadmium ion.
Chloride ion.
During a biology lab, Taraji and Hailey are analyzing blood samples and notice an enzyme called LDH is being measured. In Clinical Chemistry, what does LDH stand for?
Lactate Dehydrogenase.
Low Density Hemoglobin.
Lipid Dehydrogenase.
Liver Derived Hormone.
Kelsie and Lydia are preparing microscope slides of different tissues and cells in their biology class. What settings should they use for optimal viewing of these samples?
Different tissues, cells, and samples require adjusting magnification, illumination, and contrast settings for optimal viewing.
Always use the highest magnification and maximum illumination for all samples.
Use the same settings for all types of tissues and slides regardless of sample type.
Only adjust the focus; other settings are not important for different samples.
Marlee and Isabella are working together in the science lab and need to use a microscope for their experiment. Review the care of a microscope and review methods for using, cleaning, and storing them.
Microscope care includes proper use, regular cleaning, and safe storage.
Microscope care only involves using the microscope carefully.
Microscope care means storing the microscope in any available space.
Microscope care requires no cleaning if used infrequently.
Ella and Courtney are using a microscope in their science class to observe a leaf specimen. Review the parts of the microscope and the functions of each part as they use it.
The eyepiece is used to view the specimen, the objective lenses magnify the image, the stage holds the slide, and the coarse focus knob adjusts the focus.
The eyepiece is used to hold the slide, the objective lenses illuminate the specimen, the stage magnifies the image, and the coarse focus knob changes the color.
The eyepiece is used to clean the microscope, the objective lenses are for decoration, the stage is for storage, and the coarse focus knob is for turning on the light.
The eyepiece is used to measure the specimen, the objective lenses are for labeling, the stage is for moving the microscope, and the coarse focus knob is for adjusting brightness.
During a science class, Kelsie and Isabella are using a microscope to examine a sample. They notice that they can clearly see two tiny spots as separate points. What does this ability to distinguish two points as separate indicate in microscopy?
The ability to distinguish two points as separate, determining image clarity.
The magnification power of the microscope.
The color accuracy of the microscope image.
The speed at which images are captured.
Marlee and Lydia are working as medical assistants in a clinic. Their supervisor asks them to collect samples from patients for laboratory analysis. What is the role of the medical assistant in this scenario?
to properly collect, label, and prepare specimens for laboratory analysis.
to diagnose diseases based on specimen results.
to prescribe medication after collecting specimens.
to perform surgical procedures during specimen collection.
Hailey is learning how to perform a capillary puncture in her health class. What steps should she follow?
Cleaning the site, puncturing the skin, collecting the blood, and applying pressure to stop bleeding.
Using a large needle to draw blood from a vein.
Applying a tourniquet and inserting a catheter into an artery.
Sterilizing the entire arm and making a deep incision.
During a medical skills lab, Lykira and Hailey are learning about venipuncture techniques. Their instructor asks them to review the different types of methods for venipunctures.
The different types of methods for venipunctures include syringe, evacuated tube, and butterfly methods.
The different types of methods for venipunctures include only arterial puncture.
The different types of methods for venipunctures include only capillary puncture.
The different types of methods for venipunctures include only fingerstick.
During a health fair, Courtney and Marlee are learning about different medical tests. The nurse demonstrates a capillary puncture. For which of the following tests could this procedure be used?
Blood glucose testing
MRI scans
Urine culture
X-ray imaging
Courtney and Isabella are working in a medical laboratory and need to document CLIA approved tests. How should they document these tests?
CLIA approved tests must be documented according to federal regulations.
CLIA approved tests can be documented informally without any guidelines.
CLIA approved tests do not require any documentation.
CLIA approved tests should only be documented for research purposes.
While Courtney and Ella are conducting a laboratory experiment, how should they monitor their progress?
Recording observations at each step
Ignoring unexpected results
Skipping steps to save time
Relying only on memory
During a safety training session in the medical laboratory, Lydia and Taraji are reviewing OSHA requirements. Which of the following is required by OSHA for safety in the medical laboratory?
OSHA requires proper labeling of hazardous materials in the medical laboratory.
OSHA recommends ignoring chemical spills in the laboratory.
OSHA prohibits the use of personal protective equipment in laboratories.
OSHA allows eating and drinking in laboratory areas.
Ella and Hailey are reviewing the quality assurance procedures described in Chapter 6 for their school project. What do these procedures include?
Quality assurance procedures in Chapter 6 include systematic inspections, testing, and documentation.
Quality assurance procedures in Chapter 6 focus only on employee training.
Quality assurance procedures in Chapter 6 are limited to customer feedback analysis.
Quality assurance procedures in Chapter 6 exclude any form of documentation.
Isabella and Courtney are learning about how their bodies work. Which statement best describes the main function of the circulatory system?
The circulatory system transports blood throughout the body.
The circulatory system controls digestion.
The circulatory system is responsible for producing hormones.
The circulatory system helps in breathing.
Kelsie and Marlee are learning about the components of blood in their science class. Which of the following lists correctly shows the main components of blood?
Red blood cells, white blood cells, platelets, plasma
Red blood cells, neurons, plasma, cartilage
White blood cells, plasma, muscle cells, fat cells
Platelets, plasma, bone cells, nerve cells
Review CDC requirements for safety within the medical setting.
Use of personal protective equipment (PPE) and hand hygiene protocols
Ignoring infection control guidelines
Allowing unrestricted access to sterile areas
Disregarding vaccination recommendations
Understand CLIA guidelines and regulations as reviewed in Chapter 43.
CLIA guidelines regulate laboratory testing to ensure accuracy, reliability, and timeliness of patient test results.
CLIA guidelines focus on hospital administration and patient billing procedures.
CLIA guidelines are only applicable to research laboratories and not clinical laboratories.
CLIA guidelines are recommendations and not legally enforceable regulations.
The functions of blood include:
Transporting oxygen and nutrients, removing waste, regulating temperature, and protecting against disease.
Producing hormones and enzymes for digestion.
Storing energy and synthesizing vitamins.
Controlling muscle movement and bone growth.
Where is waste eliminated from the bloodstream?
In the kidneys
In the lungs
In the liver
In the stomach
The function of erythrocytes is:
Transport oxygen in the blood
Produce antibodies
Initiate blood clotting
Regulate blood pressure
The function of leukocytes is:
to defend the body against infections
to transport oxygen
to help in blood clotting
to carry nutrients
Erythropoietin is:
a hormone that stimulates red blood cell production
a digestive enzyme in the stomach
a neurotransmitter in the brain
a protein involved in muscle contraction
The function of reticulocytes and the causes of abnormal numbers are:
Reticulocytes are immature red blood cells; abnormal numbers may be caused by anemia, blood loss, or bone marrow disorders.
Reticulocytes are mature white blood cells; abnormal numbers may be caused by infections.
Reticulocytes are platelets; abnormal numbers may be caused by clotting disorders.
Reticulocytes are plasma cells; abnormal numbers may be caused by dehydration.
Polycythemia is:
an increase in the number of red blood cells
a decrease in white blood cells
a deficiency of platelets
an infection of the blood vessels
Describe the function and structure of hemoglobin.
Hemoglobin transports oxygen in the blood and is composed of four polypeptide chains, each with an iron-containing heme group.
Hemoglobin digests food in the stomach and is made of a single polypeptide chain.
Hemoglobin stores energy in muscles and is composed of two carbohydrate chains.
Hemoglobin produces hormones and is made of three lipid chains.
Tests that would detect anemia include:
Complete blood count (CBC)
Liver function test
Blood glucose test
Urinalysis
Hematocrit is:
the percentage of red blood cells in blood
the total volume of blood in the body
the concentration of hemoglobin in plasma
the number of white blood cells in blood
What is the definition of Red blood cell count?
Red blood cell count is the number of red blood cells present in a specific volume of blood.
Red blood cell count is the amount of hemoglobin in the blood.
Red blood cell count is the number of white blood cells in a specific volume of blood.
Red blood cell count is the percentage of plasma in the blood.
What is Fibrinogen?
Fibrinogen is a blood plasma protein that's essential in the clotting process.
Fibrinogen is a type of white blood cell involved in immune response.
Fibrinogen is a hormone that regulates blood sugar levels.
Fibrinogen is an enzyme that breaks down carbohydrates.
What is Sedimentation rate?
Sedimentation rate is a blood test that measures how quickly erythrocytes (red blood cells) settle at the bottom of a test tube in one hour.
Sedimentation rate is a test to measure the amount of hemoglobin in the blood.
Sedimentation rate is a procedure to count the number of white blood cells in a sample.
Sedimentation rate is a method to determine blood pressure levels.
What is Microhematocrit?
Microhematocrit is a laboratory test to measure the proportion of red blood cells in blood.
Microhematocrit is a method to measure blood glucose levels.
Microhematocrit is a test to determine white blood cell count only.
Microhematocrit is a process to separate plasma proteins from blood.
Variations in normal lab values for blood specimens can be caused by:
Age, gender, and time of collection
Color of the test tubes used
The handwriting of the technician
The brand of gloves worn
What originates from hematopoietic stem cells?
All blood cells, including red blood cells, white blood cells, and platelets, originate from hematopoietic stem cells.
Only red blood cells originate from hematopoietic stem cells.
Only platelets originate from hematopoietic stem cells.
Only plasma originates from hematopoietic stem cells.
The process of picking up oxygen to deliver to the cells, exchanging for carbon dioxide, and carrying that to be removed is called:
Respiration
Digestion
Circulation
Excretion
What is Erythropoietin?
Erythropoietin is a hormone produced by the kidneys that stimulates red blood cell production.
Erythropoietin is a digestive enzyme produced in the stomach.
Erythropoietin is a neurotransmitter released by neurons in the brain.
Erythropoietin is a protein that helps in blood clotting.
Describe the flow of blood through the body, and where oxygenated vs deoxygenated blood is kept.
Oxygenated blood is carried from the lungs to the heart and then pumped to the body, while deoxygenated blood returns to the heart and is sent to the lungs.
Oxygenated blood is carried from the heart to the lungs, while deoxygenated blood is sent from the body to the heart.
Deoxygenated blood is pumped from the heart to the body, while oxygenated blood returns from the body to the heart.
Oxygenated blood and deoxygenated blood are mixed together and circulate throughout the body without separation.
What are the normal blood counts for erythrocytes, leukocytes, and platelets?
Normal counts: Erythrocytes: 4.5-5.9 million/μL, Leukocytes: 4,000-11,000/μL, Platelets: 150,000-450,000/μL.
Normal counts: Erythrocytes: 2.0-3.0 million/μL, Leukocytes: 12,000-18,000/μL, Platelets: 50,000-100,000/μL.
Normal counts: Erythrocytes: 6.0-7.5 million/μL, Leukocytes: 1,000-3,000/μL, Platelets: 500,000-700,000/μL.
Normal counts: Erythrocytes: 3.5-4.0 million/μL, Leukocytes: 8,000-9,000/μL, Platelets: 100,000-120,000/μL.
What is Polycythemia?
Polycythemia is a condition characterized by an increased number of red blood cells.
Polycythemia is a condition characterized by a decreased number of white blood cells.
Polycythemia is a condition characterized by low blood pressure.
Polycythemia is a condition characterized by increased blood sugar levels.
What is Anemia?
Anemia is a condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Anemia is a condition in which there is an excess of white blood cells in the blood.
Anemia is a disease caused by bacteria in the stomach.
Anemia is a condition where the blood pressure is abnormally high.
What is a Complete Blood Count (CBC)?
A Complete Blood Count (CBC) is a blood test used to evaluate overall health and detect a wide range of disorders, including anemia, infection, and leukemia.
A Complete Blood Count (CBC) is a urine test used to diagnose diabetes.
A Complete Blood Count (CBC) is an imaging test used to detect bone fractures.
A Complete Blood Count (CBC) is a vision test used to assess eyesight.
What are Lymphocytes?
Lymphocytes are a type of white blood cell that is part of the immune system.
Lymphocytes are a type of red blood cell involved in oxygen transport.
Lymphocytes are a type of platelet responsible for blood clotting.
Lymphocytes are a type of nerve cell found in the brain.
What are Monocytes?
Monocytes are a type of white blood cell that fights off bacteria, viruses, and fungi.
Monocytes are a type of red blood cell that carries oxygen.
Monocytes are a type of platelet involved in blood clotting.
Monocytes are a hormone produced by the pancreas.
What are Neutrophils?
Neutrophils are a type of white blood cell that helps heal damaged tissues and resolve infections.
Neutrophils are a type of red blood cell responsible for carrying oxygen.
Neutrophils are a hormone produced by the pancreas to regulate blood sugar.
Neutrophils are a protein that helps in blood clotting.
What are Eosinophils?
Eosinophils are a type of white blood cell involved in allergic reactions and fighting parasites.
Eosinophils are a type of red blood cell responsible for carrying oxygen.
Eosinophils are a hormone produced by the pancreas.
Eosinophils are a protein found in muscle tissue.
What may cause an increase in monocytes?
Chronic infections
Vitamin deficiency
Dehydration
Allergic reactions
What is a Differential White Blood Cell Count?
A Differential White Blood Cell Count measures the percentage of each type of white blood cell in the blood.
A Differential White Blood Cell Count measures the amount of hemoglobin in red blood cells.
A Differential White Blood Cell Count determines the blood sugar level.
A Differential White Blood Cell Count identifies the blood type of an individual.
A low white blood cell count might indicate:
An increased risk of infection
High blood pressure
Improved immune function
Excessive red blood cells
A high white blood cell count might indicate:
an infection
low blood sugar
dehydration
a broken bone
What are Non Segmented neutrophils?
Non Segmented neutrophils, also called band cells, are immature neutrophils released during infection or inflammation.
Non Segmented neutrophils are mature red blood cells involved in oxygen transport.
Non Segmented neutrophils are a type of lymphocyte responsible for antibody production.
Non Segmented neutrophils are platelets that help in blood clotting.
What may cause an abnormal number of eosinophils in the blood?
Allergic reactions
Bacterial infections
Vitamin deficiency
Dehydration
What is Phagocytosis?
Phagocytosis is the process by which certain cells engulf and digest microorganisms and cellular debris.
Phagocytosis is the process by which cells release energy from glucose.
Phagocytosis is the process by which cells divide to form new cells.
Phagocytosis is the process by which cells produce proteins.
Where are leukocytes produced in the body?
Leukocytes are produced in the bone marrow.
Leukocytes are produced in the liver.
Leukocytes are produced in the pancreas.
Leukocytes are produced in the lungs.
