Cerebrospinal fluid is found in which of the follo

ATI RN

ATI RN Test Bank

Cerebrospinal fluid is found in which of the following areas?

A. Brain ventricles B. Subarachnoid spaces of the brain and spinal cord C. Central canal of the cord D. It is found in all of these areas.

Correct Answer: D

Rationale: CSF is in brain ventricles, subarachnoid spaces, and the spinal cord’s central canal, circulating to cushion and support the CNS.

The primary somatosensory area is located in the front of the lobe.

A. Frontal B. Temporal C. Parietal D. Occipital

Correct Answer: C

Rationale: The primary somatosensory area (postcentral gyrus) in the parietal lobe processes touch, pressure, and pain.

The limbic system is involved in

A. Emotions. B. Memory. C. Learning. D. All of the above

Correct Answer: D

Rationale: The limbic system (e.g., amygdala, hippocampus) governs emotions, memory, and learning, making 'all of the above' correct.

The somatic nervous system does NOT serve

A. Internal organs. B. Skin. C. Skeletal muscles. D. Joints and tendons.

Correct Answer: A

Rationale: The somatic nervous system (SNS) controls voluntary skeletal muscles, skin, joints, and tendons. Internal organs are autonomic.

There are cranial nerves and spinal nerves.

A. 12 pairs; 12 pairs B. 12 pairs; 31 pairs C. 31 pairs; 12 pairs D. 31 pairs; 15 pairs

Correct Answer: B

Rationale: There are 12 pairs of cranial nerves and 31 pairs of spinal nerves (8 cervical, 12 thoracic, 5 lumbar, 5 sacral, 1 coccygeal).

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