Question 1

List and explain the three general functions of the nervous system

Accepted Answer

1. Sensory (input) function-the nervous ...

Question 2

The ventral rami of the spinal nerves form a complex network of nerves known as a ________.

Accepted Answer

A)   ganglion
B)   reflex
C)   plexus
D)   tract
E)   fascicleF) All of the above
G) B) and D)

Question 3

Which of the following effects is characteristic of the parasympathetic nervous system?

Accepted Answer

A)   decreased activity of the digestive system
B)   stimulated sweat glands to produce perspiration
C)   decreased urine output
D)   increased metabolic rate
E)   decreased heart rateF) None of the above
G) A) and B)

Question 4

The ________ is a connective tissue wrapping around fascicles of neuron fibers.

Accepted Answer

A)   epineurium
B)   endoneurium
C)   perineurium
D)   perimysiumE) All of the above
F) A) and B)

Question 5

Difficulty in breathing may reflect damage to respiratory centers located in the brain stem.

Accepted Answer

A) True 
 B)False

Question 6

Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the ________.

Accepted Answer

A)   medulla oblongata
B)   cerebellum
C)   hypothalamus
D)   thalamus
E)   cerebrumF) C) and D)
G) None of the above

Question 7

Fibers that carry information from the skin, joints, and skeletal muscles to the central nervous system are ________.

Accepted Answer

A)   motor
B)   both visceral and sensory
C)   both somatic and sensory
D)   interneurons (association neurons) 
E)   parasympatheticF) A) and B)
G) A) and C)

Question 8

Ganglia are collections of ________.

Accepted Answer

A)   nuclei
B)   dendrites
C)   cell bodies
D)   axons
E)   axon terminalsF) A) and D)
G) C) and D)

Question 9

An 18-wheeler just nearly missed hitting Sam head-on while driving. Exasperated, he pulls over to the side of the road with his heart pounding. Which division of the autonomic nervous system (ANS) is taking control right now? What other symptoms do you think he's experiencing

Accepted Answer

The sympathetic division of the autonomi...

Question 10

Which of the following parts of a spinal nerve contains sensory nerves only?

Accepted Answer

A)   ventral root
B)   dorsal root ganglion
C)   mixed nerves
D)   ventral ramus
E)   dorsal ramusF) C) and D)
G) A) and B)

Question 11

What brain dysfunction results when blood supply to a region (or regions)  of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel?

Accepted Answer

A)   cerebrovascular accident (CV
A)  , or stroke
B)   Parkinson's disease
C)   Huntington's disease
D)   multiple sclerosisE) A) and B)
F) A) and C)

Question 12

How many pairs of cranial nerves branch from the surface of the brain?

Accepted Answer

A)   three
B)   five
C)   seven
D)   twelve
E)   eighteenF) A) and D)
G) C) and D)

Question 13

Gaps between adjacent Schwann cells of a myelin sheath are known as nodes of Ranvier.

Accepted Answer

A) True 
 B)False

Question 14

The spinal cord terminates by vertebra ________.

Accepted Answer

A)   C₇
B)   T₃
C)   T₉
D)   L₃
E)   S₄F) C) and E)
G) A) and E)

Question 15

What portion of the diencephalon acts as a relay station for sensory impulses traveling upward to the sensory cortex?

Accepted Answer

A)   pons
B)   pituitary gland
C)   thalamus
D)   hypothalamusE) A) and B)
F) A) and C)

Question 16

The hypothalamus regulates the ________.

Accepted Answer

A)   pineal gland
B)   pituitary gland
C)   pons
D)   thalamusE) None of the above
F) B) and C)

Question 17

Cerebrospinal fluid is reabsorbed into venous blood in the dural sinuses via the ________.

Accepted Answer

A)   cerebral aqueduct
B)   hypothalamus
C)   arachnoid granulations
D)   choroid plexus
E)   ponsF) All of the above
G) B) and E)

Question 18

Match the following:
-Contains centers that control heart rate, blood pressure, breathing, swallowing, and vomiting

Accepted Answer

A)  hypothalamus
B)  pituitary gland
C)  epithalamus
D)  medulla oblongata
E)  thalamusF) midbrainG) D) and F)
H) A) and B)

Question 19

Which of these neuroglial cells forms the myelin sheath in the central nervous system?

Accepted Answer

A)   astrocytes
B)   oligodendrocytes
C)   Schwann cells
D)   ependymal cells
E)   satellite cellsF) A) and D)
G) B) and D)

Question 20

Ms. Young feels deep pressure during a tooth extraction. Which type of sensory receptor detects this sensation?

Accepted Answer

A)   free nerve ending
B)   Golgi tendon organ
C)   Meissner's corpuscle
D)   proprioceptor
E)   lamellar corpuscleF) A) and B)
G) C) and D)

Exam 7: The Nervous System

Ms. Young feels deep pressure during a tooth extraction. Which type of sensory receptor detects this sensation?

Correct AnswerverifiedShow Answer

Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the ________.

Correct AnswerverifiedShow Answer

How many pairs of cranial nerves branch from the surface of the brain?

Correct AnswerverifiedShow Answer

Fibers that carry information from the skin, joints, and skeletal muscles to the central nervous system are ________.

Correct AnswerverifiedShow Answer

The hypothalamus regulates the ________.

Correct AnswerverifiedShow Answer

The spinal cord terminates by vertebra ________.

Correct AnswerverifiedShow Answer

Which of the following parts of a spinal nerve contains sensory nerves only?

Correct AnswerverifiedShow Answer

List and explain the three general functions of the nervous system

Correct Answerverified1. Sensory (input) function-the nervous ...View AnswerShow Answer

What portion of the diencephalon acts as a relay station for sensory impulses traveling upward to the sensory cortex?

Correct AnswerverifiedShow Answer

Match the following: -Contains centers that control heart rate, blood pressure, breathing, swallowing, and vomiting

Correct AnswerverifiedShow Answer

Which of these neuroglial cells forms the myelin sheath in the central nervous system?

Correct AnswerverifiedShow Answer

The ventral rami of the spinal nerves form a complex network of nerves known as a ________.

Correct AnswerverifiedShow Answer

What brain dysfunction results when blood supply to a region (or regions) of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel?

Correct AnswerverifiedShow Answer

Ganglia are collections of ________.

Correct AnswerverifiedShow Answer

The ________ is a connective tissue wrapping around fascicles of neuron fibers.

Correct AnswerverifiedShow Answer

Cerebrospinal fluid is reabsorbed into venous blood in the dural sinuses via the ________.

Correct AnswerverifiedShow Answer

Difficulty in breathing may reflect damage to respiratory centers located in the brain stem.

Correct AnswerverifiedShow Answer

An 18-wheeler just nearly missed hitting Sam head-on while driving. Exasperated, he pulls over to the side of the road with his heart pounding. Which division of the autonomic nervous system (ANS) is taking control right now? What other symptoms do you think he's experiencing

Correct AnswerverifiedThe sympathetic division of the autonomi...View AnswerShow Answer

Gaps between adjacent Schwann cells of a myelin sheath are known as nodes of Ranvier.

Correct AnswerverifiedShow Answer

Which of the following effects is characteristic of the parasympathetic nervous system?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
1. Sensory (input) function-the nervous ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The sympathetic division of the autonomi...
View Answer

Correct Answer
verified

Correct Answer
verified