FREE ANATOMY AND STUDY GAMES ABOUT WEEK 7 EXAM

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FREE ANATOMY AND STUDY GAMES ABOUT WEEK 7 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -30 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Astrocytes attach to:

Answer:

Neurons and blood vessels.Question 2: One of the components of the blood-brain barrier is:

Answer:

Astrocytes.Question 3: The afferent pathways of the autonomic nervous system:

Answer:

carry feedback information to integrating centers in the brain Question 4: Which of the following compounds cannot cross the blood-brain barrier?

Answer:

Dopamine

Question 5: A neuron that has only one axon but several dendrites is classified as a _____ neuron.

Answer:

Multipolar Question 6: Small distinct regions of gray matter in the CNS are called:

Answer:

Nuclei Question 7: Which of the following is not a function of the central nervous system (CNS)?

Answer:

Integrating sensory information, Evaluating the information, and Initiating an outgoing response Question 8: Neurons in the CNS have less chance of regenerating for all of the following

reasons except:

Answer:

microglia lay down scar tissue.Question 9: Multipolar neurons have:

Answer:

multiple dendrites and one axon.Question 10: In the human nervous system:

Answer:

there are almost equal numbers of glia cells and neurons.

Question 11: Which is not true of the myelin sheath?

Answer:

It covers cell bodies in the brain and spinal cord.Question 12: Along a neuron, the correct pathway for impulse conduction is:

Answer:

dendrite, cell body, and axon.

Question 13: Fascicles are held together by a connective tissue layer called the:

Answer:

Perineurium.Question 14: The white matter of the nervous system is made up of:

Answer:

myelinated fibers Question 15: Nerves that contain mostly afferent fibers are called _____ nerves.

Answer:

Sensory Question 16: Regeneration of nerve fibers will take place only if the cell body is intact and the

fibers have:

Answer:

a neurilemma.Question 17: A neuron that transmits a nerve impulse toward the central nervous system is

called a(n):

Answer:

sensory neuron Question 18: Schwann cells have a function in the PNS that is similar to that of which cells in the CNS?

Answer:

Oligodendrocytes Question 19: The efferent pathways of the autonomic nervous system consist of the ________ nervous systems.

Answer:

sympathetic and parasympathetic Question 20: The largest and most numerous types of neuroglia are the:

Answer:

Astrocytes.

Question 21: Which is true of a reflex arc?

Answer:

It always consists of an afferent neuron and an efferent neuron.Question 22: The nervous system can be divided:

Answer:

according to its structure, according to direction of information flow, and by control of effectors.

Question 23: The nervous system is organized to do which of the following?

Answer:

Detect changes in the external environment, Detect changes in the internal environment, and Evaluate changes in the environment.Question 24: Interneurons reside in the:

Answer:

CNS only.Question 25: The autonomic nervous system does not stimulate:

Answer:

skeletal muscles Question 26: Most unipolar neurons are usually:

Answer:

sensory neurons Question 27: Gray matter in the brain and spinal cord consists primarily of:

Answer:

cell bodies.Question 28: The part of the nervous system that transmits impulses from the CNS to the

skeletal muscle is the:

Answer:

somatic nervous system.