Natural selection tends to correlate the structures of a nervous system with an animal's interaction with the environment. A good example are sessile or slow-moving mollusks such as clams, which

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Neurological System Questions Questions

Question 1 of 5

Natural selection tends to correlate the structures of a nervous system with an animal's interaction with the environment. A good example are sessile or slow-moving mollusks such as clams, which

A. have little or no cephalization and simple sense organs. B. use chemical synapses to process complex information. C. have a well-developed brain that functions as a master control center. D. use their circulatory system as a mechanism for distributing nerve impulses.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Which of the following statements about Alzheimer's disease is true?

A. Alzheimer's disease is suspected if a patient cannot retain his or her balance. B. Alzheimer's disease is age-related, increasing in frequency as people age. C. Alzheimer's disease often reverses or improves with time. D. Alzheimer's disease frequently involves positive changes in personality.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

The peripheral nervous system consists of:

A. spinal nerves only B. the brain only C. the spinal and cranial nerves D. the brain and spinal cord

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

Which one of the following describes saltatory conduction:

A. occurs only if the myelin sheath is continuous B. occurs only if the nodes of Ranvier are lacking C. occurs only in the absence of axon hillocks D. is faster than conduction on an unmyelinated fiber

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

Which of the following is a traumatic brain injury:

A. cerebrovascular accident (CVA) B. Alzheimer's disease C. aphasia D. cerebral edema

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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