Question 1

The part of the brain that controls signal flow between the cerebellum and integrating centers in the forebrain is the

Accepted Answer

A) cerebrum. 
B) pons. 
C) cerebellum. 
D) fissure of Rolando. 
E) hypothalamus. 
A) cerebrum. 
B) pons. 
C) cerebellum. 
D) fissure of Rolando. 
E) hypothalamus.

Question 2

The cerebral region that controls emotions and functions in memory is the

Accepted Answer

A) medulla. 
B) corpus callosum. 
C) limbic system. 
D) cerebral cortex. 
E) cerebellum. 
A) medulla. 
B) corpus callosum. 
C) limbic system. 
D) cerebral cortex. 
E) cerebellum.

Question 3

What happens first following a neuron stimulation?

Accepted Answer

A) Sodium ions enter the cell. 
B) Sodium ions leave the cell. 
C) Potassium ions enter the cell. 
D) Potassium ions leave the cell. 
E) Potassium ions are involved in positive feedback. 
A) Sodium ions enter the cell. 
B) Sodium ions leave the cell. 
C) Potassium ions enter the cell. 
D) Potassium ions leave the cell. 
E) Potassium ions are involved in positive feedback.

Question 4

The occipital lobe of the brain is responsible for

Accepted Answer

A) coordination of hands and fingers. 
B) speech. 
C) memory. 
D) the senses of taste and smell. 
E) vision. 
A) coordination of hands and fingers. 
B) speech. 
C) memory. 
D) the senses of taste and smell. 
E) vision.

Question 5

The major divisions of the peripheral nervous system are the

Accepted Answer

A) somatic and autonomic systems. 
B) sympathetic and parasympathetic systems. 
C) peripheral and central systems. 
D) afferent and autonomic systems. 
E) cranial and skeletal nerves. 
A) somatic and autonomic systems. 
B) sympathetic and parasympathetic systems. 
C) peripheral and central systems. 
D) afferent and autonomic systems. 
E) cranial and skeletal nerves.

Question 6

The cerebral hemispheres communicate with each other by means of the

Accepted Answer

A) cerebral cortex. 
B) corpora cardiaca. 
C) corporothalamus. 
D) corpus callosum. 
E) centrosome. 
A) cerebral cortex. 
B) corpora cardiaca. 
C) corporothalamus. 
D) corpus callosum. 
E) centrosome.

Question 7

Which of the following occurs first during an action potential?

Accepted Answer

A) Many sodium ions flow into the neuron. 
B) Voltage-gated sodium channels open. 
C) A local disturbance triggers the resting voltage to reach the threshold level. 
D) The interior of the neuron becomes positive. 
E) The interior of the neuron becomes negative. 
A) Many sodium ions flow into the neuron. 
B) Voltage-gated sodium channels open. 
C) A local disturbance triggers the resting voltage to reach the threshold level. 
D) The interior of the neuron becomes positive. 
E) The interior of the neuron becomes negative.

Question 8

The myelin sheath of peripheral neurons

Accepted Answer

A) is formed by Schwann cells. 
B) speeds up the transmission of impulses. 
C) does not surround all neuron axons. 
D) is interrupted along the axon by nodes. 
E) includes all of these descriptions. 
A) is formed by Schwann cells. 
B) speeds up the transmission of impulses. 
C) does not surround all neuron axons. 
D) is interrupted along the axon by nodes. 
E) includes all of these descriptions.

Question 9

The most ancient paths of information flow are

Accepted Answer

A) located in the midbrain. 
B) reflex arcs. 
C) found in the lower part of the brain. 
D) found in the autonomic nervous system. 
E) the circuits from sense receptors to the brain. 
A) located in the midbrain. 
B) reflex arcs. 
C) found in the lower part of the brain. 
D) found in the autonomic nervous system. 
E) the circuits from sense receptors to the brain.

Question 10

Studies of memory indicate that

Accepted Answer

A) short-term memory is the product of chemical changes in neurons. 
B) long-term memory is limited to a few year's duration. 
C) long-term memories are lost more frequently than short-term memories. 
D) long-term memory retention is better for skill memory than for declarative memory. 
E) short-term memory is limited to several hundred bits of information. 
A) short-term memory is the product of chemical changes in neurons. 
B) long-term memory is limited to a few year's duration. 
C) long-term memories are lost more frequently than short-term memories. 
D) long-term memory retention is better for skill memory than for declarative memory. 
E) short-term memory is limited to several hundred bits of information.

Question 11

The hindbrain includes the

Accepted Answer

A) thalamus. 
B) pineal gland. 
C) cerebellum. 
D) medulla oblongata. 
E) cerebellum and medulla oblongata. 
A) thalamus. 
B) pineal gland. 
C) cerebellum. 
D) medulla oblongata. 
E) cerebellum and medulla oblongata.

Question 12

The main center for homeostatic control of the internal environment is the

Accepted Answer

A) pineal gland. 
B) medulla oblongata. 
C) hypothalamus. 
D) thalamus. 
E) cerebrum. 
A) pineal gland. 
B) medulla oblongata. 
C) hypothalamus. 
D) thalamus. 
E) cerebrum.

Question 13

The center for control of motor skills and posture is the

Accepted Answer

A) cerebrum. 
B) pons. 
C) cerebellum. 
D) thalamus. 
E) hypothalamus. 
A) cerebrum. 
B) pons. 
C) cerebellum. 
D) thalamus. 
E) hypothalamus.

Question 14

Which of the following bridges the gap between a neuron sending a message and the neuron receiving it?

Accepted Answer

A) threshold value 
B) action potential 
C) transmitter molecules 
D) a neurohormone 
E) all of these 
A) threshold value 
B) action potential 
C) transmitter molecules 
D) a neurohormone 
E) all of these

Question 15

Which of the following sequences is correct?

Accepted Answer

A) receptors >>> sensory neurons >>> motor neurons >>> interneurons 
B) sensory neurons >>> receptors >>> motor neurons 
C) motor neurons >>> integrators >>> sensory neurons 
D) receptors >>> motor neurons >>> interneurons >>> sensory neurons 
E) sensory neurons >>> interneurons >>> motor neurons 
A) receptors >>> sensory neurons >>> motor neurons >>> interneurons 
B) sensory neurons >>> receptors >>> motor neurons 
C) motor neurons >>> integrators >>> sensory neurons 
D) receptors >>> motor neurons >>> interneurons >>> sensory neurons 
E) sensory neurons >>> interneurons >>> motor neurons

Question 16

The vertebrate autonomic system

Accepted Answer

A) carries signals to and from visceral organs. 
B) is a functional division of the peripheral nervous system. 
C) includes the sympathetic and parasympathetic divisions. 
D) includes afferent and efferent nerve fibers. 
E) includes all of these descriptions. 
A) carries signals to and from visceral organs. 
B) is a functional division of the peripheral nervous system. 
C) includes the sympathetic and parasympathetic divisions. 
D) includes afferent and efferent nerve fibers. 
E) includes all of these descriptions.

Question 17

Skill memories

Accepted Answer

A) are created when one consciously repeats an activity many times. 
B) involve the amygdala. 
C) involve the hippocampus. 
D) involve the corpus striatum. 
E) are created when one consciously repeats an activity many times and involve the cerebellum. 
A) are created when one consciously repeats an activity many times. 
B) involve the amygdala. 
C) involve the hippocampus. 
D) involve the corpus striatum. 
E) are created when one consciously repeats an activity many times and involve the cerebellum.

Question 18

Which of the following is false about the human nervous system?

Accepted Answer

A) Cranial nerves attach directly to the brain. 
B) There are twelve pairs of cranial nerves. 
C) There are twelve pairs of thoracic spinal nerves. 
D) Spinal nerves attach directly to the spinal cord. 
E) There are two sciatic nerves in each leg 
A) Cranial nerves attach directly to the brain. 
B) There are twelve pairs of cranial nerves. 
C) There are twelve pairs of thoracic spinal nerves. 
D) Spinal nerves attach directly to the spinal cord. 
E) There are two sciatic nerves in each leg

Question 19

Enkephalins and endorphins are

Accepted Answer

A) neuromodulators. 
B) stimulators of brain and nervous activity. 
C) inhibitors of pain perception. 
D) neuromodulators and stimulators of brain and nervous activity. 
E) neuromodulators and inhibitors of pain perception. 
A) neuromodulators. 
B) stimulators of brain and nervous activity. 
C) inhibitors of pain perception. 
D) neuromodulators and stimulators of brain and nervous activity. 
E) neuromodulators and inhibitors of pain perception.

Question 20

Somatic system fibers in nerves carry information

Accepted Answer

A) to and from receptors. 
B) to and from effectors. 
C) from receptors in skin, tendons, and skeletal muscles. 
D) to skeletal muscles. 
E) from receptors in skin, tendons, and skeletal muscle and to skeletal muscles. 
A) to and from receptors. 
B) to and from effectors. 
C) from receptors in skin, tendons, and skeletal muscles. 
D) to skeletal muscles. 
E) from receptors in skin, tendons, and skeletal muscle and to skeletal muscles.

Exam 33: Neural Control

The part of the brain that controls signal flow between the cerebellum and integrating centers in the forebrain is the

The cerebral region that controls emotions and functions in memory is the

What happens first following a neuron stimulation?

The occipital lobe of the brain is responsible for

The major divisions of the peripheral nervous system are the

The cerebral hemispheres communicate with each other by means of the

Which of the following occurs first during an action potential?

The myelin sheath of peripheral neurons

The most ancient paths of information flow are

Studies of memory indicate that

The hindbrain includes the

The main center for homeostatic control of the internal environment is the

The center for control of motor skills and posture is the

Which of the following bridges the gap between a neuron sending a message and the neuron receiving it?

Which of the following sequences is correct?

The vertebrate autonomic system

Skill memories

Which of the following is false about the human nervous system?

Enkephalins and endorphins are

Somatic system fibers in nerves carry information

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters