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WorksheetsMED 232-Midterm
Total questions: 50
Worksheet time: 50mins
Gram-positive stains are colored blue or violet because they retain the red dye.
True
False
Bacteria that grow best in the presence of oxygen are called (a) ?
Organisms
Aerobes
Viruses
Anaerobes
A vibrio is (a) shaped and can move.
Cone
Comma
Rod
Spiral
Bacteria are classified as Eukaryotes.
True
False
Fungi are, classified as Eukaryotes.
True
False
Which is not included in the 5 pathogens?
Bacteria
Viruses
Mold
Rickettsiae
A complex cell structure with a nucleus & specialized organelles in the cell's cytoplasm is a/an (a) ?
Eukaryote
Prokaryote
Subcellular
Protozoans
A microorganism that is neither, prokaryotic or eukaryotic, directly responsible for several diseases and can cause progressive brain degeneration is classified as a/an _______?
Subcellular
Prokaryote
Eukaryote
Prion
Microbiology is the study of ______?
Microanatomy
Biology
Microorganisms
Macroorganisms
An example of a subcellular microorganism is a ___
virus
bacterium
protozoan
fungus
helminth
Which of the following is an example of a microorganism that is classified a prokaryotic cell?
Fungus
Virus
Bacterium
Parasite
Helminth
Which of the following are characteristics of prokaryotic cells?
They are noncellular.
They are simply structured with a single chromosome and no organelles
They are highly structured and contain a nucleus
They have a complex cell structure and have specialized organelles in the cytoplasm
They consist of nucleic acid surrounded by a protein coat
The ability to produce energy, switching from aerobic to anaerobic respiration is called?
Facultative Anaerobe
Facultative Aerobe
Aerobic respiration
Anaerobic respiration
What is the medical term for the presence of pus in the urine, usually from a bacterial infection?
Oliguria
Anuria
Polyuria
Pyuria
Which of the following are characteristics of eukaryotic cells?
They have a complex cell structure containing a nucleus and specialized organelles in the cytoplasm
They have a simple cell structure with no nucleus
They are non-cellular
They have an uncomplicated, basic structure that contains no organelles in the cytoplasm
They consist of nucleic acid surrounded by a protein coat
Mononucleosis is caused by which of the following?
Varicella-zoster virus
Enterovirus vermicularis
Epstein-Barr virus
Helminths
Cytomegalovirus
The tube of urine separated from the sediment portion is called the (a) ?
Stool
Precipitate
Supernatant
Waste
Presence of blood in the stool may indicate colorectal cancer. What screening test is used?
O & P
FOBT
WBC
RBC
A cylinder-shaped element with flat or round ends forming protein; e.g. hyaline, RBC & waxy (a)
Crystals
Casts
Bacilli
Spirochete
Bilirubin in the blood is the 1st sign of (a) disease?
Liver disease
Kidney disease
Heart disease
Disease of the Pancreas
Bacteria in urine makes an enzyme that changes (a) to (b) ?
Nitrites to Nitrates
Bilirubin to Urobilinogen
Carbohydrates to Glucose
Nitrates to Nitrites
The average healthy adult’s daily urine output, with adequate fluid intake, is (a) mL /24 hrs
1150
1200
1250
1300
Which of the following is the most common urinary parasite?
Staphylococcus aureus
Trichomoniasis vaginalis
Escherichia coli
Streptococcus pneumonia
Bacterial infections caused by ______ (genus) can cause loose, bloody, or mucus-tinged stools.
Salmonella or Shingella
Trichomoniasis vaginalis
Staphlococcus aureus
Nosocomial infections
Which of the following is suspected when a reagent urine strip for (HCG) shows a positive result?
Polycystic kidney disease
Diabetes Mellitus
Pregnancy
Sickle-cell Anemia
When collecting a blood alcohol specimen, a(n) ____________ must be followed
Protocol
List of rules
Chain of custody
Chain of command
The purpose of adding potassium hydroxide (KOH) to a cervical smear is to ____.
dissolve epithelial cells and mucus
stain any fungi that might be present for better visibility
kill any bacteria that might be present
provide a nutritious medium for any organisms in the wet mount
stabilize the cervical cells
Which of the following routine tests are most often performed at the physician’s office laboratory (POL)?
Chemistry and hematology
Cytology and histology
Serology and immunology
Blood typing
Sterilization, or eradication of all organisms on the surface of instruments and equipment before they can be used on patients or in a procedure, is performed by a(n) ____.
Centrifuge
Hemocytometer
Photometer
Autoclave
A device for spinning a specimen at high speed until it separates into its component parts is a _____
Glucometer
Centrifuge
Photometer
Volumetric beaker
Which of the following uses light, concentrated through a condenser and focused through the object being examined, to project an image?
Photometer
Hemocytometer
Optical microscope
Glucometer
Which of the following is designed to be lowered into a drop of immersion oil placed directly above the prepared specimen under examination?
Dry objective
Stage
Oil-immersion objective
Substage
Which of the following support and position the specimen and prevent contamination of the microscope by the specimen?
Focus controls
Coverslip and slide
Stage
Objectives
Patients with diabetes and clinical personnel use which of the following to monitor blood glucose levels?
Hemocytometer
Glucometer
Centrifuge
Photometer
Which of the following is included in the guidelines for Standard Precautions?
Transfer blood from one collection device to another with the use of a mouth pipette
Wear eye protection and face masks when there is a risk that droplets or spray may come in contact with your eyes, nose, or mouth
Wear the same gloves from patient to patient as you collect specimens for testing
If a work surface becomes contaminated, disinfect it once a week.
When testing specimens that may be contaminated with blood-borne or other pathogens, which of the following would apply?
Use a mouth pipette to draw specimens
Rock the stopper back and forth to transfer a blood specimen from one collection tube to another container
Avoid working when you have cuts, lesions, or sores on your hands
Work on an open counter when completing procedures that are likely to generate splashes of contaminated material
Which of the following is an appropriate solution for cleaning a surface contaminated with blood, blood products, or body fluids?
Hot water and soap
Iodine
20% ammonia
10% bleach
A quality assurance program ____.
requires employees to receive training regarding workplace hazards
is designed to monitor the quality of patient care a medical laboratory provides
contains information about hazardous chemicals or other substances
specifies standards that must be met in order to perform tests in a POL
Which of the following was created in response to public concern over the accuracy of laboratory testing?
Clinical Laboratory Improvement Amendments of 1988
Certificate of Waiver Tests
Safety Data Sheets
Bloodborne Pathogens Standard
Laboratories that perform high-complexity tests ____.
will not significantly impact the patient if they perform or interpret the tests incorrectly
can allow the patient to perform these tests at home
must be run by a pathologist
are not authorized to perform blood cell counts and cholesterol screening
Which of the following are chemicals or chemically treated substances used in test procedures?
Controls
Objectives
Standards
Reagents
A foreign object that is visible through a microscope, but is unrelated to the specimen and may be misinterpreted when the specimen is examined, is a(n) ____.
Reagent
Calibration
Artifact
Control
Which of the following communications should be used when preparing a patient for a laboratory test?
Avoid giving the patient test instructions if the patient has had the test before
Let the patient be your guide in determining how much information to provide
Use technical terminology and language when providing information about the test
Use the patient's first name to establish a friendly atmosphere
The abbreviation for milligram is ____.
mL
mcg
mm
mg
A pap smear used to detect cervical cancer is sent to which department of a reference laboratory?
Toxicology
Cytology
Histology
Immunology
Which urine specimen contains the greatest concentration of substances?
First morning urine specimen
Random urine specimen
Timed urine specimen
24-hour urine specimen
Which of the following is the most common type of urine sample?
Timed urine specimen
Clean-catch midstream urine specimen
Random urine specimen
First morning urine specimen
Which method of collecting a urine specimen is required when performing a urine culture to identify the number and the types of pathogens present?
Timed urine specimen
First morning urine specimen
Clean-catch midstream urine specimen
Random urine specimen
Bilirubin in the blood is the 1st sign of ________ disease?
Heart
Pancreatic
Liver
Heart
A cylinder-shaped element with flat or round ends forming protein; e.g. hyaline, RBC & waxy ___
Crystals
Bacilli
Casts
spirochete
