FREE ANATOMY AND STUDY GAMES ABOUT WEEK 8 EXAM

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FREE ANATOMY AND STUDY GAMES ABOUT WEEK 8 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -45 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem.

Answer:

False Question 2: Impulses from which system play a part in arousing or alerting the cerebrum?

Answer:

Reticular activating system

Question 3: Which of the following is not a plexus of the spinal nerves?

Answer:

Thoracic

Question 4: Sensory neurons can operate in autonomic reflex arcs.

Answer:

True

Question 5: The autonomic nervous system includes only efferent neurons.

Answer:

False

Question 6: The phrenic nerve is found in the _____ plexus.

Answer:

cervical Question 7: The pyramids are formed in the:

Answer:

Medulla.Question 8: Effectors that have single innervation by the autonomic nervous system are innervated only by the parasympathetic division.

Answer:

False Question 9: If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation?

Answer:

Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation.Question 10: Nerve fibers of the spinothalamic tract are:

Answer:

sensory.Question 11: Several "vital centers" are located in the:

Answer:

medulla.Question 12: The part(s) of the cerebrum associated with anger, fear, and sorrow is (are) the:

Answer:

limbic system.

Question 13: The layer of the meninges that serves as the inner periosteum of the cranial bone

is the:

Answer:

dura mater.Question 14: Beta receptors:

Answer:

bind norepinephrine.Question 15: The cranial nerve that arises from the spinal cord is the:

Answer:

accessory.Question 16: The innermost layer of the meninges is the:

Answer:

pia mater.

Question 17: Spinal nerves are _____ fibers.

Answer:

motor and sensory Question 18: The brainstem does not include the:

Answer:

cerebellum.

Question 19: There are _____ ventricles in the brain.

Answer:

Four Question 20: "Fight-or-flight" physiological changes include all of the following except:

Answer:

constriction of respiratory airways.

Question 21: The lumbar plexus gives rise to the _____ nerve.

Answer:

femoral Question 22: All cell bodies of the autonomic nervous system are located within the CNS.

Answer:

False

Question 23: Which is not true about sympathetic postganglionic neurons?

Answer:

They produce acetylcholine.Question 24: The main divisions of the central nervous system are the:

Answer:

brain and spinal cord.

Question 25: Visceral effectors are innervated by sympathetic fibers.

Answer:

True

Question 26: The nerve commonly called the vagus nerve is the _____ cranial.

Answer:

Tenth Question 27: Axon terminals that secrete acetylcholine are called cholinergic terminals.

Answer:

True Question 28: Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm?

Answer:

Brachial