Question 1

Myelin is a fatty substance that

Accepted Answer

A)  slows action potentials. 
B)  is wrapped around neuroglial cells. 
C)  increases the speed of action potentials. 
D)  is found only surrounding neurons of the central nervous system. 
E)  is true of a and d only. 
A)  slows action potentials. 
B)  is wrapped around neuroglial cells. 
C)  increases the speed of action potentials. 
D)  is found only surrounding neurons of the central nervous system. 
E)  is true of a and d only.

Question 2

Potassium ion channels open

Accepted Answer

A)  as the action potential passes down the axon. 
B)  when the threshold potential is reached. 
C)  during the resting potential. 
D)  when the action potential reaches the axon terminal. 
E)  when neurotransmitters attach to dendrite receptors. 
A)  as the action potential passes down the axon. 
B)  when the threshold potential is reached. 
C)  during the resting potential. 
D)  when the action potential reaches the axon terminal. 
E)  when neurotransmitters attach to dendrite receptors.

Question 3

All of the following drugs are stimulants EXCEPT

Accepted Answer

A)  nicotine. 
B)  cocaine. 
C)  caffeine. 
D)  ecstasy. 
E)  alcohol. 
A)  nicotine. 
B)  cocaine. 
C)  caffeine. 
D)  ecstasy. 
E)  alcohol.

Question 4

What type of sensory receptors create the action potential that we ultimately perceive as sound?

Accepted Answer

A)  chemoreceptors 
B)  mechanoreceptors 
C)  proprioreceptors 
D)  photoreceptors 
E)  more than one of these 
A)  chemoreceptors 
B)  mechanoreceptors 
C)  proprioreceptors 
D)  photoreceptors 
E)  more than one of these

Question 5

A severely injured animal is able to still able to defend itself due to the action of ___.

Accepted Answer

A)  dopamine 
B)  endorphins 
C)  serotonin 
D)  acetylcholine 
E)  GABA 
A)  dopamine 
B)  endorphins 
C)  serotonin 
D)  acetylcholine 
E)  GABA

Question 6

Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of these neurotransmittes match the description
-slows rate of heart contractions

Accepted Answer

The answer of Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of...

Question 7

Focusing on an object requires the interaction of the ___ and the ___.

Accepted Answer

A)  ciliary muscles--lens 
B)  ciliary muscles--cornea 
C)  ciliary muscles--iris 
D)  iris--pupil 
E)  cornea--pupil 
A)  ciliary muscles--lens 
B)  ciliary muscles--cornea 
C)  ciliary muscles--iris 
D)  iris--pupil 
E)  cornea--pupil

Question 8

Which of the primary taste sensations is triggered by alkaloids?

Accepted Answer

A)  sweet 
B)  salty 
C)  sour 
D)  bitter 
E)  umami 
A)  sweet 
B)  salty 
C)  sour 
D)  bitter 
E)  umami

Question 9

Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of these neurotransmittes match the description
-morhphin,codeine,and heroin mimic this neurotransmitter

Accepted Answer

The answer of Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of...

Question 10

When you feel threatened,the neurotransmitter,___,is released from ___ neurons and your response is to fight or flee.

Accepted Answer

A)  acetylcholine--sympathetic 
B)  acetylcholine--parasympathetic 
C)  norepinephrine--sympathetic 
D)  serotonin--sympathetic 
E)  serotonin--parasympathetic 
A)  acetylcholine--sympathetic 
B)  acetylcholine--parasympathetic 
C)  norepinephrine--sympathetic 
D)  serotonin--sympathetic 
E)  serotonin--parasympathetic

Question 11

Which parts of the human eye are adjustable- that is,they can be adjusted to accommodate light and/ or images?

Accepted Answer

A)  the cornea 
B)  the iris 
C)  the lens 
D)  the cornea and the lens 
E)  the lens and the iris 
A)  the cornea 
B)  the iris 
C)  the lens 
D)  the cornea and the lens 
E)  the lens and the iris

Question 12

Which of the following is NOT under the control of the autonomic nervous system?

Accepted Answer

A)  smooth muscle 
B)  cardiac muscle 
C)  glands 
D)  skeletal muscle 
E)  all of these are under the control of the autonomic nervous system 
A)  smooth muscle 
B)  cardiac muscle 
C)  glands 
D)  skeletal muscle 
E)  all of these are under the control of the autonomic nervous system

Question 13

It is the morning of a big test.You are very nervous about it.Your heart is racing and your blood pressure is increased.You are feeling the effects of the ___ division of the ___ nervous system.

Accepted Answer

A)  parasympathetic--autonomic 
B)  parasympathetic--somatic 
C)  sympathethic--autonomic 
D)  sympathetic--somatic 
E)  autonomic--somatic 
A)  parasympathetic--autonomic 
B)  parasympathetic--somatic 
C)  sympathethic--autonomic 
D)  sympathetic--somatic 
E)  autonomic--somatic

Question 14

The photoreceptors of an earthworm are located

Accepted Answer

A)  on short antennae. 
B)  on their body surface. 
C)  in their eyes. 
D)  near the tip of their tail. 
E)  nowhere- earthworms do not have photoreceptors. 
A)  on short antennae. 
B)  on their body surface. 
C)  in their eyes. 
D)  near the tip of their tail. 
E)  nowhere- earthworms do not have photoreceptors.

Question 15

In order to establish a membrane potential,the cytoplasmic fluid is ____ compared to the interstitial fluid

Accepted Answer

A)  more positively charged 
B)  more negatively charged 
C)  hypertonic 
D)  hypotonic 
E)  none of these 
A)  more positively charged 
B)  more negatively charged 
C)  hypertonic 
D)  hypotonic 
E)  none of these

Question 16

Multiple sclerosis is an autoimmune disease in which the immune system attacks and destroys

Accepted Answer

A)  dendrites. 
B)  axon terminals. 
C)  receptors for neurotransmitters. 
D)  myelin sheaths. 
E)  cell body membranes. 
A)  dendrites. 
B)  axon terminals. 
C)  receptors for neurotransmitters. 
D)  myelin sheaths. 
E)  cell body membranes.

Question 17

Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of these neurotransmittes match the description
-this neurotransmitter speeds the heart rate,dilates pupils and airways,and increases anxiety

Accepted Answer

The answer of Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of...

Question 18

Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of these neurotransmittes match the description
-a decrease in this neurotransmitter causes attention deficit hyperactivity disorder

Accepted Answer

The answer of Match the neurotransmitter with its description.
a.serotonin
b.epinephrine
c.dopamine
d.acetylcholine
e.endorphins
f.none of...

Question 19

People who work in department stores where music is played constantly in overhead speakers claim they don't hear the music.This is an example of

Accepted Answer

A)  sensory deprivation. 
B)  sensory adaptation. 
C)  behavioral modification. 
D)  a coordinated response. 
E)  more than one of these. 
A)  sensory deprivation. 
B)  sensory adaptation. 
C)  behavioral modification. 
D)  a coordinated response. 
E)  more than one of these.

Question 20

Classification.The statements describe the main function of specific structures of the brain.Match the appropriate structure from the list to each function
a.cerebellum
b.hypothalamus
c.cerebrum
d.pons
e.thalamus
-works with the pituitary to maintain homeostatic control

Accepted Answer

The answer of Classification.The statements describe the main function of...

Exam 24: Neural Control and the Senses

Myelin is a fatty substance that

Potassium ion channels open

All of the following drugs are stimulants EXCEPT

What type of sensory receptors create the action potential that we ultimately perceive as sound?

A severely injured animal is able to still able to defend itself due to the action of ___.

Match the neurotransmitter with its description. a.serotonin b.epinephrine c.dopamine d.acetylcholine e.endorphins f.none of these neurotransmittes match the description -slows rate of heart contractions

Focusing on an object requires the interaction of the ___ and the ___.

Which of the primary taste sensations is triggered by alkaloids?

Match the neurotransmitter with its description. a.serotonin b.epinephrine c.dopamine d.acetylcholine e.endorphins f.none of these neurotransmittes match the description -morhphin,codeine,and heroin mimic this neurotransmitter

When you feel threatened,the neurotransmitter,___,is released from ___ neurons and your response is to fight or flee.

Which parts of the human eye are adjustable- that is,they can be adjusted to accommodate light and/ or images?

Which of the following is NOT under the control of the autonomic nervous system?

It is the morning of a big test.You are very nervous about it.Your heart is racing and your blood pressure is increased.You are feeling the effects of the ___ division of the ___ nervous system.

The photoreceptors of an earthworm are located

In order to establish a membrane potential,the cytoplasmic fluid is ____ compared to the interstitial fluid

Multiple sclerosis is an autoimmune disease in which the immune system attacks and destroys

Match the neurotransmitter with its description. a.serotonin b.epinephrine c.dopamine d.acetylcholine e.endorphins f.none of these neurotransmittes match the description -this neurotransmitter speeds the heart rate,dilates pupils and airways,and increases anxiety

Match the neurotransmitter with its description. a.serotonin b.epinephrine c.dopamine d.acetylcholine e.endorphins f.none of these neurotransmittes match the description -a decrease in this neurotransmitter causes attention deficit hyperactivity disorder

People who work in department stores where music is played constantly in overhead speakers claim they don't hear the music.This is an example of

Classification.The statements describe the main function of specific structures of the brain.Match the appropriate structure from the list to each function a.cerebellum b.hypothalamus c.cerebrum d.pons e.thalamus -works with the pituitary to maintain homeostatic control

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Focusing on an object requires the interaction of the _ and the _.

When you feel threatened,the neurotransmitter,_,is released from _ neurons and your response is to fight or flee.

It is the morning of a big test.You are very nervous about it.Your heart is racing and your blood pressure is increased.You are feeling the effects of the _ division of the _ nervous system.