ACTION CPT TRAINER EXAM ONLINE
PRACTICE TEST STUDY GUIDE QUESTIONS
AND SOLUTIONS 2026 CORRECT ANSWERS
GRADED A+
⩥ What is the functional unit of the nervous system? Answer: the neuron
⩥ What are the three main parts of a neuron? Answer: the soma or body
(the main component with the cell's organelles), the axon (the long
projection off the soma), the dendrites (the branches where signals are
received)
⩥ What is the junction/space called between the axon of the nerve cell
and the dendrite of another (or receptor site)? Answer: a synapse
⩥ What allows a message/signal to jump a synapse? Answer:
neurotransmitters - these initiate a signal , called an action potential, that
travels to the receiving cell
⩥ What is the isolating layer of an axon called? What is its purpose?
Answer: mylelin sheath; speed up nerve transmission
, ⩥ The two main divisions of the nervous system. Answer: Central
Nervous System (CNS, brain and spinal cord) and the peripheral nervous
system (PNS, the nerves coming off the CNS)
⩥ What are the 4 major sections of the brain? Answer: 1. Cerebrum
(muscle and organ control, thought, hearing, language; outer portion is
called the cerebral cortex)
2. Diencephalons (central part of the brain; regulates glands/hormones)
3. Cerebellum (balance, posture, coordination)
4. Brain Stem (connects cerebrum and cerebellum to spinal cord; center
for control of visual and auditory reflexes, heart rate, blood pressure, and
breathing)
⩥ What is the name of the 3-layer protective membrane that protects the
brain? Answer: meninges
⩥ What are the two divisions of the Peripheral Nervous System (PNS)?
Answer: The voluntary (somatic) and involuntary (autonomic)
⩥ What are the two divisions of the autonomic nervous system (ANS)?
Answer: sympathetic (speeds up the body systems understress condition;
fight or flight); parasympathetic (slows down the body functions)
⩥ In what tissues are mechanoreceptors found? Answer: muscles,
tendons, ligaments, and joints
PRACTICE TEST STUDY GUIDE QUESTIONS
AND SOLUTIONS 2026 CORRECT ANSWERS
GRADED A+
⩥ What is the functional unit of the nervous system? Answer: the neuron
⩥ What are the three main parts of a neuron? Answer: the soma or body
(the main component with the cell's organelles), the axon (the long
projection off the soma), the dendrites (the branches where signals are
received)
⩥ What is the junction/space called between the axon of the nerve cell
and the dendrite of another (or receptor site)? Answer: a synapse
⩥ What allows a message/signal to jump a synapse? Answer:
neurotransmitters - these initiate a signal , called an action potential, that
travels to the receiving cell
⩥ What is the isolating layer of an axon called? What is its purpose?
Answer: mylelin sheath; speed up nerve transmission
, ⩥ The two main divisions of the nervous system. Answer: Central
Nervous System (CNS, brain and spinal cord) and the peripheral nervous
system (PNS, the nerves coming off the CNS)
⩥ What are the 4 major sections of the brain? Answer: 1. Cerebrum
(muscle and organ control, thought, hearing, language; outer portion is
called the cerebral cortex)
2. Diencephalons (central part of the brain; regulates glands/hormones)
3. Cerebellum (balance, posture, coordination)
4. Brain Stem (connects cerebrum and cerebellum to spinal cord; center
for control of visual and auditory reflexes, heart rate, blood pressure, and
breathing)
⩥ What is the name of the 3-layer protective membrane that protects the
brain? Answer: meninges
⩥ What are the two divisions of the Peripheral Nervous System (PNS)?
Answer: The voluntary (somatic) and involuntary (autonomic)
⩥ What are the two divisions of the autonomic nervous system (ANS)?
Answer: sympathetic (speeds up the body systems understress condition;
fight or flight); parasympathetic (slows down the body functions)
⩥ In what tissues are mechanoreceptors found? Answer: muscles,
tendons, ligaments, and joints
