WorksheetsLab Regulations and Procedures Practice Questions
Total questions: 25
Worksheet time: 13mins
Arjun is working in a medical laboratory and is responsible for running tests on patient samples. He wants to make sure that the results he provides are accurate and trustworthy. Which statement best describes the purpose of quality control in laboratory testing?
Mandated procedures to keep lab activity safe
Procedures to ensure reliable results by eliminating error
A universal safety protocol for all laboratories
Established rules for standard and transmission precautions
Oliver is conducting an experiment in the lab. He is able to repeat his control results with certainty and exactness every time. Which term describes this ability?
Precision
Control
Accuracy
Reliability
A medical assistant named Emma is working in the lab when a staining dye accidentally spills and saturates the pant leg of her scrubs. What is the first action Emma should take?
Rinse the area with saline to dilute the contact
Change out of contaminated clothing, specifically the pants
Rinse the skin for 15 minutes under running water
Blot the area with a dry cotton cloth until absorbed
While working in a laboratory and wearing PPE, Harper is handling infectious biohazardous waste. Exposure to pathogens can occur by breathing them in, needlestick accidents, aerosol exposure, and which other method?
Absorption through the skin
Centrifuge accidents
Assisting in minor surgery
Emptying the trash
In a physician’s office lab, a large acetone spill occurs. What should the medical assistant do first to determine proper assistance?
Document the spill in the incident log
Alert the provider and office administrator
Refer to office policies on spills and accidents
Locate the Safety Data Sheet for the chemical
Ava is collecting a throat specimen from a patient. Which area should Ava swab to obtain an accurate specimen?
Both sides of the back of throat
Posterior portion of tongue
Pharynx
Both sides of cheeks
Olivia visits a clinic with symptoms of suspected influenza. For accurate specimen collection, which area should be swabbed?
Nasal cavity
Nasopharynx
Hypopharynx
Oropharynx
David is working in a clinic and needs to quickly assess a patient's hemoglobin level. Which point-of-care test can David complete using a capillary specimen?
Human chorionic gonadotropin testing
Streptococcal infection
Influenza A and B
Hemoglobin
Avery goes for a routine health check-up. The doctor orders a blood test to measure his hemoglobin levels. What is considered a normal hemoglobin range for an adult male like Avery?
17.1 to 20.9 g/dL
13.0 to 17.0 g/dL
9.0 to 12.9 g/dL
20.9 to 23.0 g/dL
Abigail is responsible for running daily quality control checks on a hemoglobin analyzer in the laboratory. Which action most directly supports reliability in her daily quality control routine?
Calibrate the centrifuge before each run
Use fresh lancets for each patient sample
Record control values on a Levey-Jennings chart
Store PPE near the chemical fume hood
Aria is assisting in a clinic and needs to collect a nasopharyngeal swab from a patient. Which step ensures accurate specimen collection?
Rotate only upon withdrawal
Stop at the anterior nares
Insert straight toward the uvula
Angle upward parallel to the palate
While working in a laboratory, Mason accidentally splashes a small amount of chemical onto his intact skin. Which sequence best limits his exposure?
Call 911, leave facility, seek outpatient care
Apply soap, cover area, continue task
Report incident, apply disinfectant, return to work
Remove contaminated clothing, flush skin, report incident
Abigail is working in a laboratory and wants to ensure her experiments are both well-managed and produce consistent results. Which statement correctly distinguishes quality control from reliability?
Quality control is procedures; reliability is repeatable results
Both terms mean compliance with safety policies
Both terms mean exactness of a single test run
Quality control is repeatable results; reliability is procedures
Abigail is collecting a throat swab from a patient who is suspected of having a streptococcal infection. Which error most likely compromises the specimen?
Touching the tongue during swabbing
Using a sterile swab and gloves
Swabbing both tonsillar pillars
Avoiding contact with the cheeks
Scarlett is performing a rapid influenza test in the clinic. Which of the following is a common quality control error she should avoid?
Incorrect storage methods
Failure to calibrate equipment
Using contaminated swabs
Failure to perform positive controls
Priya is a patient who needs to collect a stool specimen for testing. As a medical assistant, which information should you include when providing instructions to Priya?
The specimen can be refrigerated for up to 24 hr until the patient can bring it to the office.
The sample can be put in any available container as long as it is clean.
The stool sample can be collected from the toilet.
Antacids and other medications are okay to take up to 4 hr before collecting.
Samuel is a nurse who needs to collect a specimen from a patient's wound for testing. From which location should Samuel collect the specimen?
Perimeter edges
From the center outward
Where drainage occurs
Within the wound
Grace is visiting the clinic for a sputum test. Which instruction should the medical assistant provide to Grace for sputum collection?
Avoid taking any medications 12 hr prior to collection.
Do not eat or drink for 12 hr prior to collection.
Rinse with water prior to providing collection.
Rinse with mouthwash prior to providing collection.
Sophia is a nurse in a hospital and needs to collect a sample from a patient’s deep wound for laboratory analysis. Which technique should Sophia use to properly collect the sample?
Aspirate wound drainage into a syringe from the center and surrounding tissue.
Collect drainage into sterile gauze, place in a sterile container, and label with location.
Biopsy the skin around the edge and swab the center of the wound.
Collect two separate samples from two different areas of the wound with different swabs and plates.
James is visiting the clinic for a sputum test. As a medical assistant, which instruction should you give James prior to collecting his sputum specimen?
Do not eat or drink 8 hr prior to testing.
Drink a warm beverage prior to obtaining specimen.
Take a deep breath and cough until productive.
Take any prescription medications 15 min prior to obtaining specimen.
Nora visits her doctor for a routine checkup. The doctor recommends a urinalysis. Which valuable data does urinalysis provide?
Level of HDL cholesterol in the body
Blood oxygen levels
Information about the cardiac calcium count
Information on homeostasis in the body
Nora visits the clinic because her doctor suspects a urinary tract infection and requests a urine culture and sensitivity test. Which specimen collection method should be used?
Clean catch mid-stream
Random sample
24 hr
2 hr post prandial
Benjamin is documenting a physical examination of a urine specimen in a clinical setting. Under which category should he record the presence of pus or mucus?
Color
Odor
Volume
Clarity
David, a medical assistant, is preparing to collect a urine specimen for a drug screening. Which action is appropriate for David to determine whether there has been tampering with the urine specimen?
Pat the patient down to ensure they do not have anything on their person.
Document the time the patient went in and time out on the specimen container.
Provide a sealed container with a temperature-sensitive strip.
Ask the patient to empty their pockets.
Michael, a medical assistant, is reviewing a patient's urine test results and notices a high specific gravity on the chemical examination. What medical issue could this finding indicate?
Uncontrolled diabetes
Liver disease
Severe kidney disease
Dehydration
