Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Which of the following specimens requires a chain of custody form?
A. Blood for HIV testing
Blood for HIV testing does not typically require a chain of custody form. HIV testing is a confidential medical test, but the results are not usually used for legal purposes, which is when a chain of custody would be necessary.
B. Sputum for tuberculosis testing
Sputum for tuberculosis testing also does not require a chain of custody form. While the test is critical for diagnosing tuberculosis, the results are used for medical diagnosis and treatment rather than legal proceedings.
C. Blood for paternity testing
Blood for paternity testing requires a chain of custody form because the results can have legal implications, such as establishing paternity for child support or custody cases. The chain of custody ensures that the sample is properly handled and tracked from collection to analysis, preventing tampering or misidentification.
D. Swab for chlamydia testing
A swab for chlamydia testing, like HIV testing, is a confidential medical test that does not usually require a chain of custody form. The results are used for medical purposes, such as diagnosis and treatment, rather than legal proceedings.
This question is an excerpt from Nurse Dive's nursing test bank - Phlebotomy Certification Proctored Exam 130. Take the full exam now
Full Explanation
Choice A Reason:
Blood for HIV testing does not typically require a chain of custody form. HIV testing is a confidential medical test, but the results are not usually used for legal purposes, which is when a chain of custody would be necessary.
Choice B Reason:
Sputum for tuberculosis testing also does not require a chain of custody form. While the test is critical for diagnosing tuberculosis, the results are used for medical diagnosis and treatment rather than legal proceedings.
Choice C Reason:
Blood for paternity testing requires a chain of custody form because the results can have legal implications, such as establishing paternity for child support or custody cases. The chain of custody ensures that the sample is properly handled and tracked from collection to analysis, preventing tampering or misidentification.
Choice D Reason:
A swab for chlamydia testing, like HIV testing, is a confidential medical test that does not usually require a chain of custody form. The results are used for medical purposes, such as diagnosis and treatment, rather than legal proceedings.
Similar Questions
Which of the following is used to stabilize a patient's arm during a venipuncture?
A. Arm restraints
Arm restraints are typically used to prevent patients from moving, particularly in pediatric or psychiatric settings where the patient may not voluntarily keep still. However, they are not specifically designed for stabilizing the arm during venipuncture procedures.
B. A blood pressure cuff
A blood pressure cuff can be used as a substitute for a tourniquet to engorge the veins before venipuncture, but it is not designed to stabilize the arm during the procedure. Its primary function is to measure blood pressure, not to provide stability.
C. A phlebotomy wedge
A phlebotomy wedge is a device specifically designed to support and stabilize a patient's arm during venipuncture. It helps to maintain the arm in a comfortable and steady position, which can be particularly helpful for patients with tremors or for those who have difficulty holding their arm still.
D. A phlebotomy cart
A phlebotomy cart is used to transport and organize phlebotomy supplies. While it is an essential piece of equipment for a phlebotomist, it does not play a role in stabilizing a patient's arm during venipuncture.
Full Explanation
Choice A Reason:
Arm restraints are typically used to prevent patients from moving, particularly in pediatric or psychiatric settings where the patient may not voluntarily keep still. However, they are not specifically designed for stabilizing the arm during venipuncture procedures.
Choice B Reason:
A blood pressure cuff can be used as a substitute for a tourniquet to engorge the veins before venipuncture, but it is not designed to stabilize the arm during the procedure. Its primary function is to measure blood pressure, not to provide stability.
Choice C Reason:
A phlebotomy wedge is a device specifically designed to support and stabilize a patient's arm during venipuncture. It helps to maintain the arm in a comfortable and steady position, which can be particularly helpful for patients with tremors or for those who have difficulty holding their arm still.
Choice D Reason:
A phlebotomy cart is used to transport and organize phlebotomy supplies. While it is an essential piece of equipment for a phlebotomist, it does not play a role in stabilizing a patient's arm during venipuncture.
Which of the following refers to the process of cleaning up a blood specimen spill on a counter?
A. Neutralization
Neutralization typically involves a chemical reaction to render a substance harmless or inert. In the context of a blood spill, neutralization would not be the primary concern, as the goal is to eliminate any potential infectious agents, not just to neutralize them.
B. Disinfection
Disinfection is the process of cleaning an area or surface to destroy or prevent the growth of disease-causing microorganisms. When dealing with a blood spill, disinfection is crucial to ensure that any bloodborne pathogens present are effectively killed, reducing the risk of infection transmission.
C. Containment
Containment refers to the measures taken to control or limit something, in this case, a spill. While containment is an important initial step in managing a spill to prevent it from spreading, it is not the process that refers to the actual cleaning and elimination of pathogens.
D. Sterilization
Sterilization is a process that destroys all forms of microbial life, including spores, usually through the application of heat, chemicals, or irradiation. While sterilization is a more extreme level of decontamination than disinfection, it is not typically used for routine cleaning of blood spills on counters.
Full Explanation
Choice A Reason:
Neutralization typically involves a chemical reaction to render a substance harmless or inert. In the context of a blood spill, neutralization would not be the primary concern, as the goal is to eliminate any potential infectious agents, not just to neutralize them.
Choice B Reason:
Disinfection is the process of cleaning an area or surface to destroy or prevent the growth of disease-causing microorganisms. When dealing with a blood spill, disinfection is crucial to ensure that any bloodborne pathogens present are effectively killed, reducing the risk of infection transmission.
Choice C Reason:
Containment refers to the measures taken to control or limit something, in this case, a spill. While containment is an important initial step in managing a spill to prevent it from spreading, it is not the process that refers to the actual cleaning and elimination of pathogens.
Choice D Reason:
Sterilization is a process that destroys all forms of microbial life, including spores, usually through the application of heat, chemicals, or irradiation. While sterilization is a more extreme level of decontamination than disinfection, it is not typically used for routine cleaning of blood spills on counters.
While collecting a blood sample, the patient slumps over in the phlebotomy chair. Which of the following actions should the phlebotomist take first?
A. Stop the procedure.
Stopping the procedure is the first and most critical action a phlebotomist should take if a patient slumps over during blood collection. The patient's safety is the primary concern, and continuing the procedure could cause further harm. The phlebotomist should immediately remove any needles or equipment from the patient to prevent injury.
B. Alert the supervisor.
Alerting the supervisor is an important step, but it should come after ensuring the patient is safe and the procedure has been stopped. The supervisor will need to be informed of the incident to help manage the situation and provide assistance as needed.
C. Document the incident.
Documenting the incident is a necessary step for legal and medical records. However, it is not the first action to take. The patient's immediate well-being takes precedence over documentation, which can be completed after the situation is under control and the patient is stable.
D. Slide the patient to the floor.
Sliding the patient to the floor may be necessary if the patient is at risk of falling from the chair. However, this should only be done after the procedure has been stopped, and if it is safe to move the patient. If the patient is unconscious, the phlebotomist may need to initiate CPR, which is best performed on a flat surface.
Full Explanation
Choice A Reason:
Stopping the procedure is the first and most critical action a phlebotomist should take if a patient slumps over during blood collection. The patient's safety is the primary concern, and continuing the procedure could cause further harm. The phlebotomist should immediately remove any needles or equipment from the patient to prevent injury.
Choice B Reason:
Alerting the supervisor is an important step, but it should come after ensuring the patient is safe and the procedure has been stopped. The supervisor will need to be informed of the incident to help manage the situation and provide assistance as needed.
Choice C Reason:
Documenting the incident is a necessary step for legal and medical records. However, it is not the first action to take. The patient's immediate well-being takes precedence over documentation, which can be completed after the situation is under control and the patient is stable.
Choice D Reason:
Sliding the patient to the floor may be necessary if the patient is at risk of falling from the chair. However, this should only be done after the procedure has been stopped, and if it is safe to move the patient. If the patient is unconscious, the phlebotomist may need to initiate CPR, which is best performed on a flat surface.