Question 1

Cephalization refers to ____.

Accepted Answer

A)  a type of symmetry 
B)  neurons concentrated at the posterior end of an animal 
C)  a net of neural cells 
D)  neurons dispersed throughout the body 
E)  neurons concentrated at the anterior end of an animal 
A)  a type of symmetry 
B)  neurons concentrated at the posterior end of an animal 
C)  a net of neural cells 
D)  neurons dispersed throughout the body 
E)  neurons concentrated at the anterior end of an animal

Question 2

Choose the most appropriate description for each term
-hypothalamus

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 3

Choose the most appropriate description for each term
-limbic system

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 4

Which of the following is a cluster of neuron cell bodies found in Planaria?

Accepted Answer

A)  Brain 
B)  Nerve cord 
C)  Ganglion 
D)  Nerve net 
E)  Cephalization 
A)  Brain 
B)  Nerve cord 
C)  Ganglion 
D)  Nerve net 
E)  Cephalization

Question 5

A neuron's __________ receive signals,and its __________ transmits signals.

Accepted Answer

The answer of A neuron's __________ receive signals,and its __________...

Question 6

Which of the following sequences of information flow is correct?

Accepted Answer

A)  Receptors $\rightarrow$ sensory neurons $\rightarrow$ motor neurons $\rightarrow$ interneurons 
B)  Sensory neurons $\rightarrow$ receptors $\rightarrow$ motor neurons 
C)  Motor neurons $\rightarrow$ integrators $\rightarrow$ sensory neurons 
D)  Receptors $\rightarrow$ motor neurons $\rightarrow$ interneurons $\rightarrow$sensory neurons 
E)  Sensory neurons $\rightarrow$ interneurons $\rightarrow$ motor neurons 
A)  Receptors $\rightarrow$ sensory neurons $\rightarrow$ motor neurons $\rightarrow$ interneurons 
B)  Sensory neurons $\rightarrow$ receptors $\rightarrow$ motor neurons 
C)  Motor neurons $\rightarrow$ integrators $\rightarrow$ sensory neurons 
D)  Receptors $\rightarrow$ motor neurons $\rightarrow$ interneurons $\rightarrow$sensory neurons 
E)  Sensory neurons $\rightarrow$ interneurons $\rightarrow$ motor neurons

Question 7

Please choose the one BEST response for each.
-both receives and sends signals from other neurons

Accepted Answer

A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians 
A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians

Question 8

________________ are cytoplasmic extensions,not found in sensory neurons,that receive chemical signals from other neurons and convert them to electrical signals.

Accepted Answer

The answer of ________________ are cytoplasmic extensions,not found in sensory...

Question 9

The center for control of motor skills and posture is the ____.

Accepted Answer

A)  cerebrum 
B)  medulla oblongata 
C)  cerebellum 
D)  brain stem 
E)  hypothalamus 
A)  cerebrum 
B)  medulla oblongata 
C)  cerebellum 
D)  brain stem 
E)  hypothalamus

Question 10

Respond to the following statements in reference to the five regions of the vertebrate brain listed below.
-This region functions in homeostasis.

Accepted Answer

A) Cerebrum 
B) Hypothalamus 
C) Pons 
D) Cerebellum 
E) Medulla oblongata 
A) Cerebrum 
B) Hypothalamus 
C) Pons 
D) Cerebellum 
E) Medulla oblongata

Question 11

Tranquilizers such as Xanax and Valium alleviate anxiety by enhancing effects of which neurotransmitter?

Accepted Answer

A)  Serotonin 
B)  GABA 
C)  Dopamine 
D)  Norepinephrine 
E)  Epinephrine 
A)  Serotonin 
B)  GABA 
C)  Dopamine 
D)  Norepinephrine 
E)  Epinephrine

Question 12

The part of the brain that controls the basic responses necessary to maintain life (such as breathing and heartbeat)is the ____.

Accepted Answer

A)  medulla oblongata 
B)  corpus callosum 
C)  pineal gland 
D)  cerebellum 
E)  cerebral cortex 
A)  medulla oblongata 
B)  corpus callosum 
C)  pineal gland 
D)  cerebellum 
E)  cerebral cortex

Question 13

Choose the most appropriate description for each term
-hippocampus

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 14

Please choose the one BEST response for each.
-voltage difference across a cell membrane that is not receiving stimulation

Accepted Answer

A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians 
A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians

Question 15

What bridges the gap between a neuron sending a message and the neuron receiving it?

Accepted Answer

A)  Threshold value 
B)  Action potential 
C)  Neurotransmitter 
D)  Cytoplasm 
E)  Dopamine 
A)  Threshold value 
B)  Action potential 
C)  Neurotransmitter 
D)  Cytoplasm 
E)  Dopamine

Question 16

An excitatory postsynaptic potential ____.

Accepted Answer

A)  is cancelled out by an inhibitory postsynaptic potential 
B)  has a hyperpolarizing effect 
C)  will drive the membrane away from its potential 
D)  is summed with an inhibitory postsynaptic potential at the input zone of a neuron 
E)  works so that only one impulse can be received at a time 
A)  is cancelled out by an inhibitory postsynaptic potential 
B)  has a hyperpolarizing effect 
C)  will drive the membrane away from its potential 
D)  is summed with an inhibitory postsynaptic potential at the input zone of a neuron 
E)  works so that only one impulse can be received at a time

Question 17

The neuron transport proteins that maintain the resting membrane potential are ____.

Accepted Answer

A)  sodium-phosphorus passive transporters 
B)  sodium-potassium pumps 
C)  sodium-chlorine gated channels 
D)  phosphorus-calcium pumps 
E)  phosphorus-chlorine gated channels 
A)  sodium-phosphorus passive transporters 
B)  sodium-potassium pumps 
C)  sodium-chlorine gated channels 
D)  phosphorus-calcium pumps 
E)  phosphorus-chlorine gated channels

Exam 32: Neural Control

Cephalization refers to ____.

Choose the most appropriate description for each term -hypothalamus

Choose the most appropriate description for each term -limbic system

Which of the following is a cluster of neuron cell bodies found in Planaria?

A neuron's __________ receive signals,and its __________ transmits signals.

Which of the following sequences of information flow is correct?

Please choose the one BEST response for each. -both receives and sends signals from other neurons

________________ are cytoplasmic extensions,not found in sensory neurons,that receive chemical signals from other neurons and convert them to electrical signals.

The center for control of motor skills and posture is the ____.

Respond to the following statements in reference to the five regions of the vertebrate brain listed below. -This region functions in homeostasis.

Tranquilizers such as Xanax and Valium alleviate anxiety by enhancing effects of which neurotransmitter?

The part of the brain that controls the basic responses necessary to maintain life (such as breathing and heartbeat)is the ____.

Choose the most appropriate description for each term -hippocampus

Please choose the one BEST response for each. -voltage difference across a cell membrane that is not receiving stimulation

What bridges the gap between a neuron sending a message and the neuron receiving it?

An excitatory postsynaptic potential ____.

The neuron transport proteins that maintain the resting membrane potential are ____.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

A neuron's receive signals,and its transmits signals.