Question 1

The right cerebral hemisphere:

Accepted Answer

A) is better than the left at language. 
B) is better than the left at math. 
C) controls the left side of the body. 
D) receives input from the right eye only. 
E) is logical. 
A) is better than the left at language. 
B) is better than the left at math. 
C) controls the left side of the body. 
D) receives input from the right eye only. 
E) is logical.

Question 2

Memory, sensory processing, motor responses, creativity, and higher intellectual functions are carried out by the:

Accepted Answer

A) medulla. 
B) cerebellum. 
C) cerebrum. 
D) hypothalamus. 
E) amygdala. 
A) medulla. 
B) cerebellum. 
C) cerebrum. 
D) hypothalamus. 
E) amygdala.

Question 3

Which neurotransmitter is linked to mood and sleep?

Accepted Answer

A) nitric oxide 
B) GABA 
C) serotonin 
D) acetylcholine 
E) dopamine 
A) nitric oxide 
B) GABA 
C) serotonin 
D) acetylcholine 
E) dopamine

Question 4

Myelin speeds the conduction of impulses along a nerve by:

Accepted Answer

A) lowering the threshold levels. 
B) allowing the action potential to "jump" over sections of the axon. 
C) improving synaptic transmission. 
D) reducing the action potential. 
E) increasing the resting membrane potential. 
A) lowering the threshold levels. 
B) allowing the action potential to "jump" over sections of the axon. 
C) improving synaptic transmission. 
D) reducing the action potential. 
E) increasing the resting membrane potential.

Question 5

The control centers for breathing, blood pressure, and heart rate are located in the medulla. True or False?

Accepted Answer

A) True 
 B)False

Question 6

The intensity of a stimulus is indicated by the ________ of action potentials.

Accepted Answer

A) frequency 
B) duration 
C) speed 
D) intensity 
E) loss 
A) frequency 
B) duration 
C) speed 
D) intensity 
E) loss

Question 7

Nerves are groups of axons bundled together. True or False?

Accepted Answer

A) True 
 B)False

Question 8

Why do negative charges tend to remain inside the cell during both the resting potential and the action potential?

Accepted Answer

Most negative charge

Question 9

The part of the brain that controls involuntary actions, such as breathing, is the:

Accepted Answer

A) cerebrum. 
B) cerebellum. 
C) retina. 
D) hindbrain. 
A) cerebrum. 
B) cerebellum. 
C) retina. 
D) hindbrain.

Question 10

The hippocampus is responsible for processing visual stimuli. True or False?

Accepted Answer

A) True 
 B)False

Question 11

Neurotransmitters are released from the dendrite side of the synapse. True or False?

Accepted Answer

A) True 
 B)False

Question 12

-In the graph, ________ indicates the action potential.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 13

The repeated use of drugs such as cocaine results in a decrease in the response of the neurons to the drug. Why?

Accepted Answer

There is a decrease

Question 14

A person responds to touching a pan taken from the hot oven by pulling his hand away before he realizes that the pan is cold. Why does he respond before he can think?

Accepted Answer

The reflex goes to a

Question 15

Cells maintain a resting membrane potential, with a higher K+ concentration on the inside of the cell membrane. True or False?

Accepted Answer

A) True 
 B)False

Question 16

Axons:

Accepted Answer

A) form the gray matter of the brain and spinal cord. 
B) carry an action potential in the direction of a synapse. 
C) act independently of the cell body. 
D) have neurotransmitter receptors. 
E) decide whether to transmit an action potential. 
A) form the gray matter of the brain and spinal cord. 
B) carry an action potential in the direction of a synapse. 
C) act independently of the cell body. 
D) have neurotransmitter receptors. 
E) decide whether to transmit an action potential.

Question 17

In a nerve cell at its resting potential, ________ are closed.

Accepted Answer

A) potassium channels 
B) sodium channels 
C) sodium-potassium pumps 
D) all channels 
E) no channels 
A) potassium channels 
B) sodium channels 
C) sodium-potassium pumps 
D) all channels 
E) no channels

Question 18

Which portion of the neuron typically receives information?

Accepted Answer

A) synaptic terminal 
B) cell body 
C) axon 
D) dendrite 
E) glia 
A) synaptic terminal 
B) cell body 
C) axon 
D) dendrite 
E) glia

Question 19

You just finished watching a scary movie. Now, while taking out the trash, you notice that the street light is out and it is very dark. You hear something rattling the trash cans, just like in the movie before the monster attacked. Suddenly the neighbor's cat jumps up onto the top of the trash can and you shriek. Your heart is pounding. Your reaction is caused by the neurotransmitter:

Accepted Answer

A) oxytocin. 
B) acetylcholine. 
C) GABA. 
D) glutamate. 
E) epinephrine. 
A) oxytocin. 
B) acetylcholine. 
C) GABA. 
D) glutamate. 
E) epinephrine.

Question 20

The ________ is a cluster of neurons that plays a role in wakesleep cycles, muscle tone, emotions, and some reflexes.

Accepted Answer

The answer of The ________ is a cluster of neurons...

Exam 38: The Nervous System

The right cerebral hemisphere:

Memory, sensory processing, motor responses, creativity, and higher intellectual functions are carried out by the:

Which neurotransmitter is linked to mood and sleep?

Myelin speeds the conduction of impulses along a nerve by:

The control centers for breathing, blood pressure, and heart rate are located in the medulla. True or False?

The intensity of a stimulus is indicated by the ________ of action potentials.

Nerves are groups of axons bundled together. True or False?

Why do negative charges tend to remain inside the cell during both the resting potential and the action potential?

The part of the brain that controls involuntary actions, such as breathing, is the:

The hippocampus is responsible for processing visual stimuli. True or False?

Neurotransmitters are released from the dendrite side of the synapse. True or False?

-In the graph, ________ indicates the action potential.

The repeated use of drugs such as cocaine results in a decrease in the response of the neurons to the drug. Why?

A person responds to touching a pan taken from the hot oven by pulling his hand away before he realizes that the pan is cold. Why does he respond before he can think?

Cells maintain a resting membrane potential, with a higher K+ concentration on the inside of the cell membrane. True or False?

Axons:

In a nerve cell at its resting potential, ________ are closed.

Which portion of the neuron typically receives information?

The ________ is a cluster of neurons that plays a role in wakesleep cycles, muscle tone, emotions, and some reflexes.

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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