ATI RN
Questions About the Nervous System Questions
Question 1 of 5
The primary visual area of the cerebrum is located in the lobe.
Correct Answer: B
Rationale: The primary visual area (V1) in the occipital lobe processes visual input from the eyes.
Question 2 of 5
Which of the following cranial nerves is NOT a sensory nerve?
Correct Answer: B
Rationale: Glossopharyngeal (CN IX) has motor (pharynx) and sensory (taste, throat) roles. Vestibulocochlear (hearing/balance), optic (vision), and olfactory (smell) are sensory only.
Question 3 of 5
Which spinal nerve region and the number of nerve pairs is NOT correct?
Correct Answer: B
Rationale: Cervical has 8 pairs (C1-C8), not 7. Lumbar (5), thoracic (12), and sacral (5) are correct.
Question 4 of 5
Which of the following is NOT true of the parasympathetic nervous system?
Correct Answer: C
Rationale: The parasympathetic system uses acetylcholine only, not norepinephrine (sympathetic). It has long preganglionic and short postganglionic neurons, cranial/sacral origins, and rest-and-digest function.
Question 5 of 5
Which type of neuron carries signals from sensory receptors to the central nervous system (CNS)?
Correct Answer: C
Rationale: Sensory neurons (afferent) carry signals from receptors to the CNS. Motor neurons (efferent) signal effectors, interneurons connect within CNS, and 'mixed' isn’t a standard type.