Detailed Answers | Combat Medic Advanced Leader
Course Study Guide | A+ Graded
1. The nervous system has two main structural divisions. They are the:
A) Somatic and Autonomic Nervous Systems
B) Central and Peripheral Nervous Systems
C) Sympathetic and Parasympathetic Nervous Systems
D) Motor and Sensory Nervous Systems
Correct Answer: B
Rationale: The nervous system is structurally divided into the Central Nervous System (CNS), which
consists of the brain and spinal cord, and the Peripheral Nervous System (PNS), which includes all neural
tissue outside the CNS.
2. The Central Nervous System (CNS) controls which of the following?
A) Involuntary body functions
B) The brain and spinal cord
C) Sensory and motor nerves
D) Fight or flight response
Correct Answer: B
Rationale: The CNS is composed of the brain and spinal cord, serving as the primary processing center
for neural information. The PNS handles sensory and motor functions as well as involuntary body
functions.
,3. What are the two subsystems of the Peripheral Nervous System?
A) Sympathetic and Parasympathetic
B) Central and Somatic
C) Somatic and Autonomic
D) Motor and Sensory
Correct Answer: C
Rationale: The Peripheral Nervous System divides into the Somatic Nervous System (voluntary control)
and the Autonomic Nervous System (involuntary control).
4. The Somatic Nervous System controls:
A) Automatic body functions
B) Fight or flight response
C) Sensory nerves and efferent motor nerves (intentional movement and sensation)
D) Rest and digest functions
Correct Answer: C
Rationale: The Somatic Nervous System controls sensory nerves and the efferent, motor nerves
responsible for intentional movement and sensation.
,5. The physiological effects seen from threat stress are under the influence of the Autonomic Nervous
System, which is a subsystem of the:
A) Central Nervous System (CNS)
B) Peripheral Nervous System (PNS)
C) Somatic Nervous System
D) Enteric Nervous System
Correct Answer: B
Rationale: The Autonomic Nervous System is a subsystem of the Peripheral Nervous System (PNS).
Threat stress triggers autonomic responses that affect heart rate, breathing, and other involuntary
functions.
6. What are the two subsystems of the Autonomic Nervous System?
A) Central and Peripheral
B) Somatic and Autonomic
C) Sympathetic Nervous System and Parasympathetic Nervous System
D) Motor and Sensory
Correct Answer: C
Rationale: The Autonomic Nervous System is divided into two subsystems: the Sympathetic Nervous
System ("FightorFlight") and the Parasympathetic Nervous System ("Feed and Breed").
7. The Sympathetic Nervous System (FightorFlight) is mediated by:
, A) Acetylcholine
B) Dopamine only
C) Catecholamines including epinephrine, norepinephrine, and dopamine
D) Serotonin
Correct Answer: C
Rationale: The Sympathetic Nervous System is mediated by catecholamines including epinephrine
(adrenaline), norepinephrine, and dopamine.
8. Which of the following is NOT a physiological effect of Sympathetic Nervous System stimulation?
A) Pupil dilation
B) Loss of depth perception
C) Increased heart rate
D) Bronchodilation
Correct Answer: B
Rationale: Loss of depth perception is not a direct physiological effect of sympathetic stimulation.
Sympathetic activation causes pupil dilation, increased heart rate, bronchodilation, and other "fight or
flight" responses.
9. Tachycardia due to which of the following does NOT correlate with Sympathetic Nervous System
stimulation?
A) Exercise
B) Medication