Certified Phlebotomy Technician (CPT) Quiz: Exposure Protocol
10 questions · exam conditions
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Exposure ProtocolQuestion 1 of 10

A phlebotomy technician working the night shift experiences a needlestick injury at 2:00 AM. The source patient has a history of intravenous drug use. Employee health services are closed, but the emergency department is available. What is the most appropriate immediate action?

Perform immediate wound care, document the incident, and wait until employee health opens at 8:00 AM for evaluation
Perform wound care, collect source patient samples for testing, and begin empirical antibiotic prophylaxis
Contact the on-call occupational health physician for telephone consultation and follow their recommendations
Report to the emergency department immediately for exposure evaluation, source patient testing, and potential prophylaxis initiation
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Certified Phlebotomy Technician (CPT) Quiz

Certified Phlebotomy Technician (CPT) Quiz: Exposure Protocol

Practice Exposure Protocol in Certified Phlebotomy Technician (CPT) with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Exposure Protocol, giving you a quick way to practice the rules, question types, and explanations that matter most for Certified Phlebotomy Technician (CPT).

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A phlebotomy technician working the night shift experiences a needlestick injury at 2:00 AM. The source patient has a history of intravenous drug use. Employee health services are closed, but the emergency department is available. What is the most appropriate immediate action?

  1. Perform immediate wound care, document the incident, and wait until employee health opens at 8:00 AM for evaluation
  2. Perform wound care, collect source patient samples for testing, and begin empirical antibiotic prophylaxis
  3. Contact the on-call occupational health physician for telephone consultation and follow their recommendations
  4. Report to the emergency department immediately for exposure evaluation, source patient testing, and potential prophylaxis initiation (correct answer)
Explanation: Needlestick injuries represent true medical emergencies requiring immediate evaluation and potential prophylaxis, especially when the source patient has high-risk factors like intravenous drug use. The critical window for effective post-exposure prophylaxis (PEP) is typically within 2-72 hours, with earlier initiation being more effective. Answer D is correct because emergency departments are equipped and required to handle occupational exposures 24/7. They can immediately assess the injury, arrange urgent source patient testing for bloodborne pathogens (HIV, Hepatitis B, Hepatitis C), and initiate appropriate prophylaxis if indicated. Time is crucial—waiting could compromise the effectiveness of preventive treatment. Answer A is dangerous because waiting 6 hours significantly delays potential prophylaxis. While wound care and documentation are important, they're insufficient given the high-risk exposure and time-sensitive nature of treatment. Answer B contains several problems: phlebotomy technicians cannot independently collect samples for exposure testing (this requires physician orders), and they absolutely cannot prescribe or administer antibiotics. Antibiotics are also incorrect—antiviral medications would be appropriate for HIV/Hepatitis exposure. Answer C might seem reasonable, but occupational health physicians typically aren't available for immediate telephone consultation at 2:00 AM, and phone consultation cannot provide the hands-on assessment and immediate interventions needed. Remember: needlestick injuries from high-risk sources are always emergencies requiring immediate medical evaluation. Don't let the time of day delay proper care—emergency departments exist precisely for these urgent situations when other services are closed.

Question 2

A phlebotomy technician sustains a superficial needlestick injury through gloves from a needle used on a patient receiving hemodialysis. The patient's hepatitis B surface antibody is positive, but surface antigen is negative. The technician completed hepatitis B vaccination 3 years ago with documented immunity. What post-exposure management is required?

  1. No specific hepatitis B prophylaxis needed; focus on wound care, documentation, and baseline testing for other bloodborne pathogens (correct answer)
  2. Administer hepatitis B immunoglobulin within 24 hours as hemodialysis patients represent high-risk exposure sources
  3. Test the technician's current hepatitis B antibody levels and provide booster vaccination if levels are low
  4. Provide hepatitis B vaccine booster immediately since the exposure occurred through contaminated gloves
Explanation: The source patient is hepatitis B surface antigen negative (not actively infected) and surface antibody positive (immune). This represents no hepatitis B transmission risk regardless of the patient being on hemodialysis. The technician's documented immunity provides additional protection. Standard exposure protocols for other bloodborne pathogens should still be followed. Choice B misunderstands the source patient's status. Choice C and D provide unnecessary interventions when there is no hepatitis B transmission risk from this source.

Question 3

A phlebotomy technician sustains a needlestick injury from a needle used on a patient with unknown hepatitis status. After immediate wound care, the technician reports to the supervisor 45 minutes post-exposure. What is the most critical time-sensitive action that should be taken next?

  1. Complete an incident report and schedule routine follow-up testing in 72 hours
  2. Obtain baseline blood work from the technician and initiate hepatitis B post-exposure prophylaxis within 24 hours
  3. Contact the patient's physician to request emergency hepatitis and HIV testing of the source patient (correct answer)
  4. Schedule the technician for immediate hepatitis B vaccination and begin a three-dose series
Explanation: The most critical time-sensitive action is obtaining source patient testing for bloodborne pathogens (hepatitis B, hepatitis C, HIV) as soon as possible, ideally within hours of exposure. This information directly impacts treatment decisions, particularly for HIV post-exposure prophylaxis which must begin within 72 hours (preferably within 2 hours) to be effective. Choice A delays necessary immediate actions. Choice B mentions baseline testing (correct) but hepatitis B prophylaxis alone is insufficient without knowing source status. Choice D assumes the technician is unvaccinated and doesn't address the immediate need for source patient testing.

Question 4

Following a blood splash to the eyes during specimen processing, a phlebotomy technician immediately flushes their eyes with water for 10 minutes. The source patient's HIV status is positive. What is the next priority action according to standard exposure control protocols?

  1. Report to employee health within 2 hours for HIV post-exposure prophylaxis evaluation and initiation (correct answer)
  2. Continue eye irrigation for an additional 5 minutes and document the incident in the exposure log
  3. Schedule an ophthalmology consultation within 24 hours and begin topical antibiotic drops
  4. Complete baseline HIV testing and schedule follow-up testing at 6 weeks, 3 months, and 6 months
Explanation: HIV post-exposure prophylaxis (PEP) must be initiated as soon as possible, ideally within 2 hours and no later than 72 hours post-exposure for maximum effectiveness. With a known HIV-positive source, this becomes the highest priority. Choice B addresses continued care but misses the critical time window for PEP. Choice C focuses on eye-specific care but ignores the systemic HIV exposure risk. Choice D addresses follow-up testing but delays the critical immediate intervention that could prevent infection.

Question 5

A phlebotomy technician experiences a deep needlestick injury from a used needle while disposing of sharps. The source patient is known to have hepatitis C. The technician received hepatitis B vaccination 5 years ago with documented immunity. What combination of immediate actions is most appropriate?

  1. Wound care, incident reporting, baseline testing for hepatitis C and HIV, and hepatitis B booster vaccination
  2. Wound care, incident reporting, baseline and follow-up testing for hepatitis C, and counseling on risk reduction (correct answer)
  3. Wound care, incident reporting, hepatitis B immunoglobulin administration, and emergency department evaluation
  4. Wound care, incident reporting, immediate hepatitis C immunoglobulin, and antiviral prophylaxis initiation
Explanation: For hepatitis C exposure, there is no effective post-exposure prophylaxis available. The appropriate response includes proper wound care, incident reporting, baseline testing, and serial follow-up testing at 4-6 months for hepatitis C. Since the technician has documented hepatitis B immunity, no hepatitis B intervention is needed. Choice A unnecessarily includes hepatitis B booster. Choice C focuses on hepatitis B interventions that aren't needed. Choice D suggests non-existent hepatitis C immunoglobulin and prophylaxis.

Question 6

A phlebotomy technician sustains a needlestick injury at 3:00 PM on Friday. The source patient tests positive for hepatitis B surface antigen. The technician's hepatitis B vaccination history shows 2 doses received 6 months ago, with the third dose scheduled for next month. What is the most appropriate post-exposure management?

  1. Administer hepatitis B immunoglobulin immediately and complete the vaccine series as scheduled since partial immunity exists
  2. Administer hepatitis B immunoglobulin and hepatitis B vaccine simultaneously, then complete the series at appropriate intervals (correct answer)
  3. Test the technician's hepatitis B surface antibody levels and provide prophylaxis only if levels are inadequate
  4. Provide hepatitis B vaccine booster only since the technician has received recent vaccination within the past year
Explanation: An incomplete vaccination series (2 of 3 doses) does not provide reliable protection. With exposure to hepatitis B surface antigen-positive blood, both hepatitis B immunoglobulin (for immediate passive immunity) and hepatitis B vaccine (to boost active immunity) should be administered simultaneously. Choice A delays necessary immediate protection. Choice C involves testing that would delay critical treatment, and antibody levels after incomplete series are unreliable. Choice D provides insufficient protection against confirmed hepatitis B exposure.

Question 7

A phlebotomy technician reports a needlestick injury 4 hours after it occurred. The source patient's rapid HIV test is positive, and the patient has a high viral load. The technician is otherwise healthy with no contraindications to medications. What is the most critical consideration for post-exposure prophylaxis?

  1. Initiate a 2-drug regimen immediately since the exposure occurred within 6 hours and continue for 28 days
  2. Initiate a 3-drug regimen immediately since high viral load indicates increased transmission risk, continue for 28 days (correct answer)
  3. Delay treatment for 24 hours to obtain additional source patient testing and technician baseline laboratory work
  4. Provide a 2-drug regimen for 14 days since the exposure was through intact skin with a small gauge needle
Explanation: High viral load in the source patient indicates increased risk for HIV transmission, warranting a 3-drug post-exposure prophylaxis regimen rather than the standard 2-drug regimen. Treatment should begin immediately (within 72 hours, preferably within 2 hours) and continue for 28 days. Choice A underestimates the risk level requiring enhanced prophylaxis. Choice C delays critical treatment unnecessarily. Choice D assumes details not provided and uses incorrect duration and drug selection.

Question 8

Following a significant blood exposure to broken skin, a phlebotomy technician receives appropriate initial care. The source patient refuses consent for bloodborne pathogen testing. What is the next appropriate step in the exposure control protocol?

  1. Treat the exposure as high-risk and initiate prophylaxis for all potential bloodborne pathogens immediately
  2. Consult with legal department to obtain court order for mandatory source patient testing within 48 hours
  3. Assess the technician's risk factors and vaccination status to determine appropriate prophylaxis without source testing (correct answer)
  4. Document the refusal and defer any prophylaxis until source patient testing can be obtained through alternative methods
Explanation: When source patient testing is unavailable due to refusal, medical decisions must be based on available information including the technician's vaccination status, risk factors, and exposure severity. Each bloodborne pathogen requires individual assessment - hepatitis B prophylaxis depends on vaccination status, HIV prophylaxis considers exposure risk and local prevalence, and hepatitis C has no prophylaxis but requires follow-up. Choice A provides unnecessary treatment. Choice B may not be legally feasible or timely. Choice D inappropriately delays potentially necessary care.

Question 9

During a blood spill cleanup, a phlebotomy technician accidentally splashes contaminated bleach solution onto their face and eyes. After immediate eye irrigation, the supervisor notes the spill contained blood from a patient with unknown bloodborne pathogen status. What is the most comprehensive immediate response required?

  1. Continue eye irrigation, evaluate for chemical burns, obtain source patient consent for testing, and initiate exposure protocols (correct answer)
  2. Document the chemical exposure, treat any burns, and schedule routine occupational health follow-up in 48 hours
  3. Focus solely on chemical injury treatment since the bleach would have inactivated any bloodborne pathogens
  4. Treat the exposure as low-risk since it involved diluted blood and defer bloodborne pathogen protocols
Explanation: This scenario involves both chemical exposure (bleach) and potential bloodborne pathogen exposure. Both risks must be addressed simultaneously. The immediate priorities include continued irrigation for chemical exposure, assessment for chemical burns, and initiation of bloodborne pathogen exposure protocols including source patient testing. Choice B addresses chemical exposure but ignores bloodborne pathogen risks. Choice C incorrectly assumes bleach concentration and contact time were sufficient for pathogen inactivation. Choice D underestimates the exposure risk.

Question 10

A phlebotomy technician reports feeling dizzy and nauseous 30 minutes after cleaning up a large blood spill without wearing a respirator. The spill was from a patient with active pulmonary tuberculosis. What is the most appropriate immediate response according to exposure control protocols?

  1. Provide the technician with a surgical mask and continue normal duties while monitoring for symptom progression
  2. Document the exposure, place the technician on administrative leave, and schedule tuberculosis screening in 8-12 weeks
  3. Evaluate the technician for potential chemical exposure from disinfectants and provide supportive care for symptoms
  4. Send the technician for immediate chest X-ray, tuberculin skin testing, and consider initiating respiratory isolation (correct answer)
Explanation: When you encounter questions about occupational exposure to infectious diseases, think immediately about the hierarchy of response: immediate assessment, exposure documentation, and preventive measures based on the specific pathogen's characteristics. Tuberculosis exposure through respiratory droplets requires urgent intervention because TB can establish infection quickly, and early detection is critical for treatment success. The technician's symptoms (dizziness and nausea) combined with unprotected exposure to active pulmonary TB creates a high-risk scenario demanding immediate medical evaluation. Answer D correctly prioritizes immediate chest X-ray to detect early pulmonary changes, tuberculin skin testing to establish baseline immune status, and respiratory isolation to prevent potential transmission to others while the technician's infection status is determined. Answer A is dangerously inadequate because a surgical mask provides insufficient protection after exposure has already occurred, and continuing normal duties risks spreading infection to patients and colleagues. Answer B delays critical interventions by waiting 8-12 weeks for screening—TB can progress significantly during this period, and symptoms suggest possible early infection requiring immediate attention. Answer C misidentifies the primary concern as chemical exposure rather than infectious disease exposure, leading to inappropriate supportive care instead of TB-specific protocols. Remember this pattern: respiratory exposure to active TB always triggers immediate medical evaluation and isolation precautions. Don't let symptom onset timing fool you—TB exposure protocols begin immediately upon recognition of unprotected contact, regardless of when symptoms appear. The 30-minute timeframe here tests whether you understand that TB response is urgent, not delayed.