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ATI LPN · Anatomy and Physiology · Autonomic Nervous System NCLEX Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The third ventricle is located in the:

A. cerebrum

B. forebrain

C. hindbrain

D. midbrain

Expert Explanatory Rationale

Correct Answer: forebrain

Question 2 of 5

If a postsynaptic cell receives EPSPs but not enough to reach the threshold, which of the following will happen?

A. A less-powerful action potential will be propagated.

B. No action potential will be propagated.

C. A small action potential will be propagated.

D. Fewer action potentials will be propagated.

Expert Explanatory Rationale

Correct Answer: No action potential will be propagated.

Question 3 of 5

Which of the following is NOT true of the resting potential of a neuron?

A. The membrane is polarized.

B. The outside is positively charged.

C. The inside has an abundance of sodium ions.

D. The inside is negatively charged.

Expert Explanatory Rationale

Correct Answer: The inside has an abundance of sodium ions.

Question 4 of 5

Any stress that changes a controlled condition; any change in the internal or external environment that excites a sensory receptor, a neuron, or a muscle fiber.

A. Enteric plexuses

B. Axoplasm

C. Synaptic cleft

D. Stimulus

Expert Explanatory Rationale

Correct Answer: Stimulus

Question 5 of 5

Bitemporal hemianopia is caused by:

A. Optic nerve lesions

B. Optic tract lesions

C. Pituitary tumors

D. Occipital lobe lesions

Expert Explanatory Rationale

Correct Answer: Pituitary tumors

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