Question 1

Injury to the occipital lobe is most likely to cause

Accepted Answer

A) hearing loss. 
B) paralysis. 
C) loss of vision. 
D) disturbances in gait. 
A) hearing loss. 
B) paralysis. 
C) loss of vision. 
D) disturbances in gait.

Question 2

With regard to an action potential,the rapid efflux of K+

Accepted Answer

A) raises the resting membrane potential to threshold potential. 
B) restores the internal negativity of the neuron. 
C) causes depolarization. 
D) All of the above are true. 
A) raises the resting membrane potential to threshold potential. 
B) restores the internal negativity of the neuron. 
C) causes depolarization. 
D) All of the above are true.

Question 3

The primary somatosensory area and the primary motor area are separated by

Accepted Answer

A) Broca's area. 
B) the central sulcus. 
C) the pia mater. 
D) the longitudinal fissure. 
A) Broca's area. 
B) the central sulcus. 
C) the pia mater. 
D) the longitudinal fissure.

Question 4

Antiemetic drugs

Accepted Answer

A) dissolve any blood clots in the vomiting center. 
B) can affect the vomiting center and CTZ to relieve nausea and vomiting. 
C) induce vomiting in a person who ingests poison. 
D) reverse narcotic-induced respiratory depression. 
A) dissolve any blood clots in the vomiting center. 
B) can affect the vomiting center and CTZ to relieve nausea and vomiting. 
C) induce vomiting in a person who ingests poison. 
D) reverse narcotic-induced respiratory depression.

Question 5

Which of the following best describes the arachnoid mater?

Accepted Answer

A) Limbic system 
B) Meninges 
C) Blood-brain barrier 
D) Cranium 
A) Limbic system 
B) Meninges 
C) Blood-brain barrier 
D) Cranium

Question 6

The chemoreceptor trigger zone (CTZ)

Accepted Answer

A) sends information to the emetic center in the medulla oblongata. 
B) is called the vital center. 
C) is located in the precentral gyrus. 
D) is part of the visual cortex. 
A) sends information to the emetic center in the medulla oblongata. 
B) is called the vital center. 
C) is located in the precentral gyrus. 
D) is part of the visual cortex.

Question 7

Which of the following is true of the diencephalon?

Accepted Answer

A) Contains the thalamus and hypothalamus 
B) Is a brain stem structure 
C) Contains the midbrain,pons,and medulla oblongata 
D) Is called the vital center 
A) Contains the thalamus and hypothalamus 
B) Is a brain stem structure 
C) Contains the midbrain,pons,and medulla oblongata 
D) Is called the vital center

Question 8

The corpus callosum

Accepted Answer

A) connects the medulla oblongata and the spinal cord. 
B) is a band of gray matter that lines the ventricles. 
C) is the point at which all motor fibers decussate. 
D) connects the right and left cerebral hemispheres. 
A) connects the medulla oblongata and the spinal cord. 
B) is a band of gray matter that lines the ventricles. 
C) is the point at which all motor fibers decussate. 
D) connects the right and left cerebral hemispheres.

Question 9

Which of the following best describes the tentorium?

Accepted Answer

A) Extension of the dura mater 
B) Lining of the cerebral ventricles and central canal 
C) Another name for the arachnoid mater 
D) Another name for the corpus callosum 
A) Extension of the dura mater 
B) Lining of the cerebral ventricles and central canal 
C) Another name for the arachnoid mater 
D) Another name for the corpus callosum

Question 10

What is the fatty insulating material that surrounds the axons?

Accepted Answer

A) Glia 
B) Choroid plexus 
C) Myelin 
D) Sarcolemma 
A) Glia 
B) Choroid plexus 
C) Myelin 
D) Sarcolemma

Question 11

The surface of the cerebrum is folded into elevations that resemble speed bumps; these speed bumps are called

Accepted Answer

A) fissures. 
B) sulci. 
C) foramen. 
D) convolutions,or gyri. 
A) fissures. 
B) sulci. 
C) foramen. 
D) convolutions,or gyri.

Question 12

The corpus callosum

Accepted Answer

A) connects the right and left hemispheres. 
B) connects the hypothalamus to the posterior pituitary gland. 
C) lines the cerebral ventricles. 
D) connects the brain stem to the cerebellum. 
A) connects the right and left hemispheres. 
B) connects the hypothalamus to the posterior pituitary gland. 
C) lines the cerebral ventricles. 
D) connects the brain stem to the cerebellum.

Question 13

What makes white matter "white"?

Accepted Answer

A) Cell bodies 
B) Neurotransmitters 
C) Synapses 
D) Myelin 
A) Cell bodies 
B) Neurotransmitters 
C) Synapses 
D) Myelin

Question 14

A supratentorial brain tumor is

Accepted Answer

A) always malignant. 
B) superior to the cerebral cortex. 
C) a brain stem tumor. 
D) superior to the tentorium cerebelli. 
A) always malignant. 
B) superior to the cerebral cortex. 
C) a brain stem tumor. 
D) superior to the tentorium cerebelli.

Question 15

What is the name of clusters of cell bodies that are located outside the central nervous system?

Accepted Answer

A) Glia 
B) Nodes of Ranvier 
C) Nuclei 
D) Ganglia 
A) Glia 
B) Nodes of Ranvier 
C) Nuclei 
D) Ganglia

Question 16

Which of the following best describes the location of arachnoid villi?

Accepted Answer

A) Sitting within the choroid plexus 
B) Lining the central sulcus 
C) Protruding into the dural sinuses from the subarachnoid space 
D) Protruding from the dural sinuses into the subarachnoid space 
A) Sitting within the choroid plexus 
B) Lining the central sulcus 
C) Protruding into the dural sinuses from the subarachnoid space 
D) Protruding from the dural sinuses into the subarachnoid space

Question 17

Which of the following is least descriptive of Broca's area?

Accepted Answer

A) Located in the frontal lobe 
B) Concerned with motor speech 
C) Most often located in the left cerebral hemisphere 
D) Is a brain stem structure 
A) Located in the frontal lobe 
B) Concerned with motor speech 
C) Most often located in the left cerebral hemisphere 
D) Is a brain stem structure

Question 18

Excessive opioids (narcotics) depress the medulla oblongata and therefore cause

Accepted Answer

A) Parkinson's disease. 
B) blindness. 
C) respiratory depression. 
D) hypertension. 
A) Parkinson's disease. 
B) blindness. 
C) respiratory depression. 
D) hypertension.

Question 19

Which of the following is true of the occipital lobe?

Accepted Answer

A) Contains the primary visual cortex 
B) Is a brain stem structure 
C) Is responsible for all signals sent along the pyramidal tract 
D) Contains the emetic center 
A) Contains the primary visual cortex 
B) Is a brain stem structure 
C) Is responsible for all signals sent along the pyramidal tract 
D) Contains the emetic center

Question 20

Which structure is also called the emotional brain?

Accepted Answer

A) Cerebellum 
B) Basal ganglia 
C) Medulla oblongata 
D) Limbic system 
A) Cerebellum 
B) Basal ganglia 
C) Medulla oblongata 
D) Limbic system

Exam 10: Nervous System: Nervous Tissue and Brain

Injury to the occipital lobe is most likely to cause

With regard to an action potential,the rapid efflux of K+

The primary somatosensory area and the primary motor area are separated by

Antiemetic drugs

Which of the following best describes the arachnoid mater?

The chemoreceptor trigger zone (CTZ)

Which of the following is true of the diencephalon?

The corpus callosum

Which of the following best describes the tentorium?

What is the fatty insulating material that surrounds the axons?

The surface of the cerebrum is folded into elevations that resemble speed bumps; these speed bumps are called

The corpus callosum

What makes white matter "white"?

A supratentorial brain tumor is

What is the name of clusters of cell bodies that are located outside the central nervous system?

Which of the following best describes the location of arachnoid villi?

Which of the following is least descriptive of Broca's area?

Excessive opioids (narcotics) depress the medulla oblongata and therefore cause

Which of the following is true of the occipital lobe?

Which structure is also called the emotional brain?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters