Question 1

Nerves

Accepted Answer

A)  contain both afferent and efferent axons 
B)  do not contain complete neurons 
C)  are present within the central nervous system 
D)  contain both afferent and efferent axons and are present within the central nervous system 
E)  all of these 
A)  contain both afferent and efferent axons 
B)  do not contain complete neurons 
C)  are present within the central nervous system 
D)  contain both afferent and efferent axons and are present within the central nervous system 
E)  all of these

Question 2

Which of the following statements about cerebrospinal fluid is incorrect?

Accepted Answer

A)  forms at the choroid plexuses and is reabsorbed across the arachnoid villi into the blood within the dural sinuses 
B)  serves as a shock-absorbing fluid to cushion the brain against jarring movements 
C)  comes into direct contact with neurons and glial cells 
D)  fills the subarachnoid space 
E)  influences the composition of the brain interstitial fluid more than the blood does 
A)  forms at the choroid plexuses and is reabsorbed across the arachnoid villi into the blood within the dural sinuses 
B)  serves as a shock-absorbing fluid to cushion the brain against jarring movements 
C)  comes into direct contact with neurons and glial cells 
D)  fills the subarachnoid space 
E)  influences the composition of the brain interstitial fluid more than the blood does

Question 3

The withdrawal reflex requires ascending pathways and is classified as polysynaptic.

Accepted Answer

A) True 
 B)False

Question 4

Cells associated with the blood-brain barrier prevent an increase in the concentration of potassium ions in the ECF surrounding brain cells.

Accepted Answer

A) True 
 B)False

Question 5

Centers for the control of respiration and circulatory function are located in the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 6

Complete each of the following statments.
The ____________________ system promotes alertness and helps direct attention toward specific events.

Accepted Answer

reticular

Question 7

If neuronal pathways present at birth are not used during sensitive developmental periods, they may be eliminated.

Accepted Answer

A) True 
 B)False

Question 8

The region of the brain that is the oldest in evolutionary development is the

Accepted Answer

A)  cerebellum 
B)  brain stem 
C)  hypothalamus 
D)  forebrain 
E)  basal nuclei 
A)  cerebellum 
B)  brain stem 
C)  hypothalamus 
D)  forebrain 
E)  basal nuclei

Question 9

Impulses travel in the spinal cord through horns, which contain tracts.

Accepted Answer

A) True 
 B)False

Question 10

Microglia are phagocytic cells that help move CSF within the ventricles of the brain.

Accepted Answer

A) True 
 B)False

Question 11

The brain cannot produce ATP in the absence of glucose or oxygen.

Accepted Answer

A) True 
 B)False

Question 12

Which part of the brain controls thirst and urine output, food intake, and body temperature, among other things?

Accepted Answer

A)  cerebral cortex 
B)  hypothalamus 
C)  basal nuclei 
D)  thalamus 
E)  pons 
A)  cerebral cortex 
B)  hypothalamus 
C)  basal nuclei 
D)  thalamus 
E)  pons

Question 13

The limbic system

Accepted Answer

A)  is a ring of forebrain structures surrounding the brain stem 
B)  plays a key role in emotion 
C)  contains regions designated as reward and punishment centers 
D)  all of these 
E)  plays a key role in emotion and contains regions designated as reward and punishment centers 
A)  is a ring of forebrain structures surrounding the brain stem 
B)  plays a key role in emotion 
C)  contains regions designated as reward and punishment centers 
D)  all of these 
E)  plays a key role in emotion and contains regions designated as reward and punishment centers

Question 14

The spinocerebellum enhances muscle tone and coordinates skilled movements, while the cerebrocerebellum is important in maintaining balance and controlling eye movements.

Accepted Answer

A) True 
 B)False

Question 15

Resting tremors may be associated with diseases that affect the thalamus.

Accepted Answer

A) True 
 B)False

Question 16

Complete each of the following statments.
Stimulation of the nerve supply to one muscle and simultaneous inhibition of the nerves to its antagonistic muscle is known as ____________________.

Accepted Answer

reciprocal

Question 17

Which tract transmits conscious sensory impulse regarding pain and temperature?

Accepted Answer

A)  dorsal cerebellar 
B)  ventral spinothalamic 
C)  lateral spinothalamic 
D)  lateral corticospinal 
E)  rubrospinal 
A)  dorsal cerebellar 
B)  ventral spinothalamic 
C)  lateral spinothalamic 
D)  lateral corticospinal 
E)  rubrospinal

Question 18

The left cerebral hemisphere normally excels in all of the following, except

Accepted Answer

A)  musical ability 
B)  verbal tasks 
C)  math skills 
D)  logical and analytical tasks 
E)  language ability 
A)  musical ability 
B)  verbal tasks 
C)  math skills 
D)  logical and analytical tasks 
E)  language ability

Question 19

Efferent neurons leave the spinal cord through the dorsal root.

Accepted Answer

A) True 
 B)False

Question 20

The brain

Accepted Answer

A)  consists of 90 percent interneurons and 10 percent glial cells 
B)  can perform anaerobic metabolism when oxygen supplies are low 
C)  normally uses only glucose as a fuel for energy production 
D)  all of these 
E)  consists of 90% interneurons and 10 percent glial cells), and normally uses only glucose as a fuel for energy production 
A)  consists of 90 percent interneurons and 10 percent glial cells 
B)  can perform anaerobic metabolism when oxygen supplies are low 
C)  normally uses only glucose as a fuel for energy production 
D)  all of these 
E)  consists of 90% interneurons and 10 percent glial cells), and normally uses only glucose as a fuel for energy production

Exam 5: A--The Central Nervous System

Nerves

Which of the following statements about cerebrospinal fluid is incorrect?

The withdrawal reflex requires ascending pathways and is classified as polysynaptic.

Cells associated with the blood-brain barrier prevent an increase in the concentration of potassium ions in the ECF surrounding brain cells.

Centers for the control of respiration and circulatory function are located in the hypothalamus.

Complete each of the following statments. The ____________________ system promotes alertness and helps direct attention toward specific events.

If neuronal pathways present at birth are not used during sensitive developmental periods, they may be eliminated.

The region of the brain that is the oldest in evolutionary development is the

Impulses travel in the spinal cord through horns, which contain tracts.

Microglia are phagocytic cells that help move CSF within the ventricles of the brain.

The brain cannot produce ATP in the absence of glucose or oxygen.

Which part of the brain controls thirst and urine output, food intake, and body temperature, among other things?

The limbic system

The spinocerebellum enhances muscle tone and coordinates skilled movements, while the cerebrocerebellum is important in maintaining balance and controlling eye movements.

Resting tremors may be associated with diseases that affect the thalamus.

Complete each of the following statments. Stimulation of the nerve supply to one muscle and simultaneous inhibition of the nerves to its antagonistic muscle is known as ____________________.

Which tract transmits conscious sensory impulse regarding pain and temperature?

The left cerebral hemisphere normally excels in all of the following, except

Efferent neurons leave the spinal cord through the dorsal root.

The brain

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

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