Question 1

In humans,which of the following is used primarily to detect touch and vibration?

Accepted Answer

A) photoreceptors 
B) thermoreceptors 
C) mechanoreceptors 
D) pain receptors 
E) chemoreceptors 
A) photoreceptors 
B) thermoreceptors 
C) mechanoreceptors 
D) pain receptors 
E) chemoreceptors

Question 2

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine.Which symptoms would be expected in a patient with Parkinson disease?

Accepted Answer

A) hyperactive voluntary movements 
B) slowed senses 
C) slowed voluntary movements 
D) decreased mental ability and memory loss 
E) excessive sleeping 
A) hyperactive voluntary movements 
B) slowed senses 
C) slowed voluntary movements 
D) decreased mental ability and memory loss 
E) excessive sleeping

Question 3

The part of the eye that focuses light onto a sheet of photoreceptors is the

Accepted Answer

A) lens. 
B) cone. 
C) pupil. 
D) retina. 
E) iris. 
A) lens. 
B) cone. 
C) pupil. 
D) retina. 
E) iris.

Question 4

In the section "Investigating Life: The Nerve of Those Clams!",how would exposure to saxitoxin from algae cause genetic changes in clams?

Accepted Answer

A) Saxitoxin would cause mutations to occur in the clam's DNA. 
B) Saxitoxin would increase the mutation rates in clams. 
C) Saxitoxin would select existing mutations in the clam population. 
D) Clams sensitive to saxitoxin would migrate away from the algae bloom. 
E) Clams would want to change their Na+ transporters to become resistant to saxitoxin. 
A) Saxitoxin would cause mutations to occur in the clam's DNA. 
B) Saxitoxin would increase the mutation rates in clams. 
C) Saxitoxin would select existing mutations in the clam population. 
D) Clams sensitive to saxitoxin would migrate away from the algae bloom. 
E) Clams would want to change their Na+ transporters to become resistant to saxitoxin.

Question 5

Which of the following senses would not utilize mechanoreceptors?

Accepted Answer

A) hearing 
B) touch 
C) taste 
D) equilibrium 
A) hearing 
B) touch 
C) taste 
D) equilibrium

Question 6

What does the puffer fish neurotoxin tetrodotoxin directly inhibit?

Accepted Answer

A) proteins involved in active transport 
B) channel proteins involved in osmosis 
C) proteins involved in ATP synthesis 
D) channel proteins involved in diffusion 
E) relaxation of muscles 
A) proteins involved in active transport 
B) channel proteins involved in osmosis 
C) proteins involved in ATP synthesis 
D) channel proteins involved in diffusion 
E) relaxation of muscles

Question 7

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with schizophrenia have increased dopamine.Which symptoms would be expected in a patient with schizophrenia?

Accepted Answer

A) slowed voluntary movements 
B) slowed senses 
C) hyperactive voluntary movements 
D) decreased mental ability and memory loss 
E) excessive sleeping 
A) slowed voluntary movements 
B) slowed senses 
C) hyperactive voluntary movements 
D) decreased mental ability and memory loss 
E) excessive sleeping

Question 8

The condition that develops when acetylcholine levels in the brain are deficient is

Accepted Answer

A) epilepsy. 
B) insomnia. 
C) Parkinson disease. 
D) Huntington disease. 
E) Alzheimer diseasE. 
A) epilepsy. 
B) insomnia. 
C) Parkinson disease. 
D) Huntington disease. 
E) Alzheimer diseasE.

Question 9

Only motor neurons reside entirely within the central nervous system.

Accepted Answer

A) True 
 B)False

Question 10

In humans,which of the following is used primarily to detect sharp blows and excessive heat?

Accepted Answer

A) mechanoreceptor 
B) chemoreceptor 
C) photoreceptor 
D) thermoreceptor 
E) pain receptor 
A) mechanoreceptor 
B) chemoreceptor 
C) photoreceptor 
D) thermoreceptor 
E) pain receptor

Question 11

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Accepted Answer

A) cochlea 
B) eardrum 
C) oval window 
D) auditory canal 
E) auditory nerve 
A) cochlea 
B) eardrum 
C) oval window 
D) auditory canal 
E) auditory nerve

Question 12

The ______ receives the signal that your finger is too hot and sends the message to move the finger away from the stove.The ______ transfers the message to the finger.

Accepted Answer

A) spinal cord;spinal cord 
B) central nervous system;peripheral nervous system 
C) peripheral nervous system;spinal cord 
D) peripheral nervous system;brain 
E) brain;central nervous system 
A) spinal cord;spinal cord 
B) central nervous system;peripheral nervous system 
C) peripheral nervous system;spinal cord 
D) peripheral nervous system;brain 
E) brain;central nervous system

Question 13

A platypus senses its prey not only through touch,but also by sensing electricity.How can the signal be transmitted from the bill to the brain of a platypus?

Accepted Answer

A) The electricity would be transmitted directly to the brain through nerves. 
B) The electricity would be transmitted directly to the brain through the blood. 
C) By activating receptors in the brain. 
D) By stimulating muscle contractions. 
E) By activating receptors on neurons. 
A) The electricity would be transmitted directly to the brain through nerves. 
B) The electricity would be transmitted directly to the brain through the blood. 
C) By activating receptors in the brain. 
D) By stimulating muscle contractions. 
E) By activating receptors on neurons.

Question 14

The condition that develops when serotonin levels in the brain are deficient is

Accepted Answer

A) insomniA. 
B) epilepsy. 
C) Alzheimer disease. 
D) Parkinson disease. 
E) Huntington diseasE. 
A) insomniA. 
B) epilepsy. 
C) Alzheimer disease. 
D) Parkinson disease. 
E) Huntington diseasE.

Question 15

In the section "Investigating Life: The Nerve of Those Clams!",which of the following would occur in sensitive clam cells that have been exposed to the toxin?

Accepted Answer

A) Na+ ions would no longer be able to leave a neuron by facilitated diffusion. 
B) Na+ ions would no longer be able to leave a neuron by active transport. 
C) Na+ ions would no longer be able to enter a neuron by active transport. 
D) Na+ ions would no longer be able to enter a neuron by facilitated diffusion. 
A) Na+ ions would no longer be able to leave a neuron by facilitated diffusion. 
B) Na+ ions would no longer be able to leave a neuron by active transport. 
C) Na+ ions would no longer be able to enter a neuron by active transport. 
D) Na+ ions would no longer be able to enter a neuron by facilitated diffusion.

Question 16

Receptors for the special senses are limited to the

Accepted Answer

A) head. 
B) tongue. 
C) ears. 
D) feet. 
E) abdomen. 
A) head. 
B) tongue. 
C) ears. 
D) feet. 
E) abdomen.

Question 17

The nerve that conducts impulses to the area of the brain that determines sight is the

Accepted Answer

A) auditory nerve. 
B) olfactory nerve. 
C) cochlear nerve. 
D) optic nerve. 
E) pons. 
A) auditory nerve. 
B) olfactory nerve. 
C) cochlear nerve. 
D) optic nerve. 
E) pons.

Question 18

The division of the nervous system that integrates sensory information and coordinates the body's response is the

Accepted Answer

A) peripheral nervous system. 
B) central nervous system. 
C) somatic nervous system. 
D) autonomic nervous system. 
E) sympathetic nervous system. 
A) peripheral nervous system. 
B) central nervous system. 
C) somatic nervous system. 
D) autonomic nervous system. 
E) sympathetic nervous system.

Question 19

A motor neuron's __________ and ___________ reside in the central nervous system,but its ____________ extend(s)into the peripheral nervous system.

Accepted Answer

A) cell body,dendrites,axon 
B) dendrites,cell body,axon 
C) dendrites,axon,cell body 
D) axon,cell body,dendrites 
E) None of the answers are correct. 
A) cell body,dendrites,axon 
B) dendrites,cell body,axon 
C) dendrites,axon,cell body 
D) axon,cell body,dendrites 
E) None of the answers are correct.

Question 20

Usually nerve impulses travel from one neuron to another by

Accepted Answer

A) neurotransmitters. 
B) action potentials. 
C) resting potentials. 
D) threshold potentials. 
E) myelin sheath. 
A) neurotransmitters. 
B) action potentials. 
C) resting potentials. 
D) threshold potentials. 
E) myelin sheath.

Exam 24: Nervous System and the Senses

In humans,which of the following is used primarily to detect touch and vibration?

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with Parkinson disease have decreased dopamine.Which symptoms would be expected in a patient with Parkinson disease?

The part of the eye that focuses light onto a sheet of photoreceptors is the

In the section "Investigating Life: The Nerve of Those Clams!",how would exposure to saxitoxin from algae cause genetic changes in clams?

Which of the following senses would not utilize mechanoreceptors?

What does the puffer fish neurotoxin tetrodotoxin directly inhibit?

Dopamine is an inhibitory neurotransmitter released into neuromuscular synapses.Patients with schizophrenia have increased dopamine.Which symptoms would be expected in a patient with schizophrenia?

The condition that develops when acetylcholine levels in the brain are deficient is

Only motor neurons reside entirely within the central nervous system.

In humans,which of the following is used primarily to detect sharp blows and excessive heat?

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

The ______ receives the signal that your finger is too hot and sends the message to move the finger away from the stove.The ______ transfers the message to the finger.

A platypus senses its prey not only through touch,but also by sensing electricity.How can the signal be transmitted from the bill to the brain of a platypus?

The condition that develops when serotonin levels in the brain are deficient is

In the section "Investigating Life: The Nerve of Those Clams!",which of the following would occur in sensitive clam cells that have been exposed to the toxin?

Receptors for the special senses are limited to the

The nerve that conducts impulses to the area of the brain that determines sight is the

The division of the nervous system that integrates sensory information and coordinates the body's response is the

A motor neuron's __________ and ___________ reside in the central nervous system,but its ____________ extend(s)into the peripheral nervous system.

Usually nerve impulses travel from one neuron to another by

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

Filters

The receives the signal that your finger is too hot and sends the message to move the finger away from the stove.The transfers the message to the finger.

A motor neuron's ____ and _ reside in the central nervous system,but its ________ extend(s)into the peripheral nervous system.