BMET-311 Laboratory Pre-Test

Instructions: Please fill in your name and answer the 12 questions on this test. These questions pertain to safety in our laboratory. It is very important that you understand how to conduct your work safely in this course.

Before you may begin BMET-311L, you must score 100% on this test. When you're done, print out a copy of your paper for the instructor. If you have any questions, or if a procedure is not clear, ask the instructor.

Your Name: @ 18.97.9.172

1. When handling a defibrillator, what is the best safety practice?

a) Always pick up both paddles in one hand to prevent shock.
b) Keep the paddles shorted together when the unit is in transport.
c) Treat it as if it is charged, even if you know it isn't.
d) None of the above

2. If 10 mA or more AC current passes through a subject, what would the symptoms be?

a) Mild tingling sensation
b) No sensation at all
c) Pain, possible inability to release the conductor
d) None of these

3. Before you use any piece of biomedical laboratory equipment in this lab, what must be true?

a) You must have read the operation manual for the equipment.
b) You must be checked out and authorized by the instructor to use the equipment.
c) The equipment must be checked out from the stockroom.
d) None of the above

4. Before participating in the lab as a subject, what must you do if you have any preexisting medical condition such as (and not limited to) arrythmia, epilepsy, or material allergies?

a) Notify your physician
b) Notify the instructor
c) Notify the Dean of Academic Affairs
d) None of the above

5. If you detect or suspect a malfunction in a piece of equipment connected to a subject, you should:

a) Turn off the power to the equipment.
b) Activate the EMS by calling 9-1-1.
c) Immediately disconnect the equipment from the subject.
d) None of the above

6. What type of electrodes may directly be connected to a human subject in this lab?

a) Only isolated electrodes (for example, from the iWorx C-ISO-255 amplifier).
b) Only electrodes with a voltage of less than 12 volts DC may be applied.
c) Only electrodes connected to a student-constructed circuit.
d) None of the above

7. For safety, when you're performing measurements on a human subject, the subject should be:

a) Sitting in a chair
b) Standing clear of the workbench
c) Sitting on a workbench
d) None of the above

8. In the event of an electrical shock, what is the most important thing to do first?

a) Activate the EMS by calling 9-1-1
b) Initiate CPR by giving two quick rescue breaths.
c) Remove the power from the circuit without touching the circuit or the victim.
d) None of the above

9. The maximum safe interval for use of a pressure cuff (in a healthy individual) is about:

a) 3 minutes
b) 30 minutes
c) 10 minutes
d) None of the above

10. Which part of the body must be avoided when using an ultrasound probe?

a) The chest
b) The eyes
c) The popliteal space
d) None of the above

11. What part of the body is most sensitive to electrocution by an AC current?

a) The chest
b) The abdomen
c) The head
d) None of the above

12. When checking a carotid pulse, deep palpation should be avoided because:

a) The subject could move unexpectedly, injuring either one of you.
b) This is not an accurate method for locating a pulse.
c) It may lead to fainting or heart block in some subjects.
d) None of the above


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