AMCA CLINICAL MEDICAL ASSISTANT
CERTIFICATION (CMAC) EXPERT
EXAMINATION
1. Which legal doctrine describes a situation where a physician is legally responsible for the
actions of their employees?
A. Res ipsa loquitur
B. Quid pro quo
C. Respondeat superior
D. Subpoena duces tecum
Answer: C
Conceptual Explanation: Respondeat superior is a legal doctrine holding an employer or
principal liable for the employee’s or agent’s wrongful acts committed within the scope of
employment.
2. Which heart valve prevents the backflow of blood from the left ventricle into the left
atrium?
A. Mitral valve
,B. Tricuspid valve
C. Aortic valve
D. Pulmonary valve
Answer: A
Conceptual Explanation: The mitral (or bicuspid) valve is located between the left atrium
and left ventricle; it prevents blood from flowing backward into the atrium during
ventricular contraction.
3. In the ICD-10-CM coding system, what is the purpose of the ‘X’ placeholder?
A. To signify an invalid code
B. To allow for future expansion of the code set
C. To indicate an acute condition
D. To denote a chronic condition
Answer: B
Conceptual Explanation: The ‘X’ placeholder is used in certain ICD-10-CM codes to allow
for future expansion while maintaining the code structure for necessary specificity.
4. A patient presents with orthopnea. In which position should they be placed for an
examination to facilitate breathing?
A. Trendelenburg
B. Sim’s
, C. Lithotomy
D. Fowler’s
Answer: D
Conceptual Explanation: Fowler’s position (sitting up at a 45-90 degree angle) helps
patients with orthopnea (difficulty breathing while lying flat) by allowing maximum chest
expansion.
5. Which EKG lead is placed at the fourth intercostal space, just to the right of the sternum?
A. V6
B. V2
C. V4
D. V1
Answer: D
Conceptual Explanation: Lead V1 is the first precordial lead and is placed in the fourth
intercostal space at the right margin of the sternum.
6. The ‘Golden Hour’ in emergency medicine refers to which critical period?
A. The first hour after a traumatic injury
B. The time required to administer antibiotics
C. The time allocated for organ harvesting
CERTIFICATION (CMAC) EXPERT
EXAMINATION
1. Which legal doctrine describes a situation where a physician is legally responsible for the
actions of their employees?
A. Res ipsa loquitur
B. Quid pro quo
C. Respondeat superior
D. Subpoena duces tecum
Answer: C
Conceptual Explanation: Respondeat superior is a legal doctrine holding an employer or
principal liable for the employee’s or agent’s wrongful acts committed within the scope of
employment.
2. Which heart valve prevents the backflow of blood from the left ventricle into the left
atrium?
A. Mitral valve
,B. Tricuspid valve
C. Aortic valve
D. Pulmonary valve
Answer: A
Conceptual Explanation: The mitral (or bicuspid) valve is located between the left atrium
and left ventricle; it prevents blood from flowing backward into the atrium during
ventricular contraction.
3. In the ICD-10-CM coding system, what is the purpose of the ‘X’ placeholder?
A. To signify an invalid code
B. To allow for future expansion of the code set
C. To indicate an acute condition
D. To denote a chronic condition
Answer: B
Conceptual Explanation: The ‘X’ placeholder is used in certain ICD-10-CM codes to allow
for future expansion while maintaining the code structure for necessary specificity.
4. A patient presents with orthopnea. In which position should they be placed for an
examination to facilitate breathing?
A. Trendelenburg
B. Sim’s
, C. Lithotomy
D. Fowler’s
Answer: D
Conceptual Explanation: Fowler’s position (sitting up at a 45-90 degree angle) helps
patients with orthopnea (difficulty breathing while lying flat) by allowing maximum chest
expansion.
5. Which EKG lead is placed at the fourth intercostal space, just to the right of the sternum?
A. V6
B. V2
C. V4
D. V1
Answer: D
Conceptual Explanation: Lead V1 is the first precordial lead and is placed in the fourth
intercostal space at the right margin of the sternum.
6. The ‘Golden Hour’ in emergency medicine refers to which critical period?
A. The first hour after a traumatic injury
B. The time required to administer antibiotics
C. The time allocated for organ harvesting
