(CET) CERTIFICATION, OFFERED BY THE
NATIONAL HEALTHCAREER ASSOCIATION
(NHA). | Q&A WITH RATIONALES
1. A patient follows an EKG technician to the
examination room, voluntarily undresses from the
waist up, and lies on the examination table. Which of
the following types of consent is the patient giving?
A) Expressed written consent
B) Informed consent
C) Implied consent
D) Refusal of consent
Correct answer: C
Rationale: The actions exhibited by the patient in this
situation demonstrate implied consent. The patient is
voluntarily cooperating with the procedure without
verbal objection .
2. An EKG technician releases information about a
patient's diagnosis to the patient's employer. Which
of the following patient rights was violated?
A) Assignment of benefits
,B) Patient confidentiality
C) Access to treatment
D) Power of attorney
Correct answer: B
Rationale: A patient's diagnosis is confidential under
HIPAA regulations and may not be shared with an
employer without the patient's explicit written
authorization .
3. What is the correct order of the chain of infection
(medical asepsis)?
A) Susceptible host, portal of exit, infectious agent,
reservoir, portal of entry, mode of transmission
B) Infectious agent, reservoir, portal of exit, mode of
transmission, portal of entry, susceptible host
C) Reservoir, infectious agent, portal of entry, mode
of transmission, portal of exit, susceptible host
D) Mode of transmission, infectious agent, reservoir,
portal of exit, portal of entry, susceptible host
Correct answer: B
Rationale: The chain of infection begins with the
infectious agent, followed by the reservoir, portal of
exit, mode of transmission, portal of entry, and finally
the susceptible host .
,4. An EKG technician is preparing a patient for a
stress test. Which statement should the technician
make before this test?
A) "This procedure requires informed consent."
B) "There are no risks associated with this test."
C) "You will not need to sign any forms for this
procedure."
D) "The results will be available immediately after the
test."
Correct answer: A
Rationale: A stress test requires informed consent
because it involves potential risks such as cardiac
arrhythmias or myocardial infarction. The patient
must be informed and sign a consent form before
proceeding .
5. Which of the following is the most common site for
measuring pulse in an adult patient?
A) Brachial
B) Carotid
C) Radial
D) Femoral
, Correct answer: C
Rationale: The radial pulse, located on the thumb side
of the wrist, is the most common site for measuring
an adult pulse because it is easily accessible and
non-invasive .
6. What is the standard paper speed for a resting
ECG?
A) 5 mm/sec
B) 25 mm/sec
C) 50 mm/sec
D) 100 mm/sec
Correct answer: B
Rationale: Standard ECG recordings are performed
at 25 mm/sec to allow accurate measurement of
intervals and complexes .
7. Which wave on the ECG represents atrial
depolarization?
A) P wave
B) QRS complex
C) T wave
D) U wave