Question 1

Why does food taste bland when you have a cold?

Accepted Answer

Much of "taste" is actually sm

Question 2

What is the blind spot, and why does it occur?

Accepted Answer

The blind spot is the location

Question 3

Ruffini corpuscles respond to a light touch against the skin.

Accepted Answer

A) True 
 B)False

Question 4

You take a drink of scalding coffee and it burns your tongue. The cells of the taste bud divide to replace the damaged receptors.

Accepted Answer

A)  taste 
B)  glial 
C)  stem 
D)  neuron 
E)  supporting 
A)  taste 
B)  glial 
C)  stem 
D)  neuron 
E)  supporting

Question 5

Select the correct path through which sound waves travel to stimulate hearing.

Accepted Answer

A)  Outer ear -basilar membrane -inner ear -oval window -auditory tube 
B)  Outer ear -tympanic membrane -middle ear -oval window -cochlea 
C)  Outer ear -tympanic membrane -auditory tube -cochlea -oval window 
D)  Outer ear -auditory tube -oval window -tympanic membrane -basilar membrane 
E)  Outer ear -oval window -middle ear -tympanic membrane -cochlea 
A)  Outer ear -basilar membrane -inner ear -oval window -auditory tube 
B)  Outer ear -tympanic membrane -middle ear -oval window -cochlea 
C)  Outer ear -tympanic membrane -auditory tube -cochlea -oval window 
D)  Outer ear -auditory tube -oval window -tympanic membrane -basilar membrane 
E)  Outer ear -oval window -middle ear -tympanic membrane -cochlea

Question 6

People who wear contact lenses or glasses have a defect in the

Accepted Answer

A)  iris. 
B)  length of the eyeball. 
C)  blind spot. 
D)  rod cells. 
E)  cone cells. 
A)  iris. 
B)  length of the eyeball. 
C)  blind spot. 
D)  rod cells. 
E)  cone cells.

Question 7

In humans, when the eye focuses on a nearby object, the lens

Accepted Answer

A)  flattens. 
B)  does not change. 
C)  gets more transparent. 
D)  gets less transparent. 
E)  becomes more rounded. 
A)  flattens. 
B)  does not change. 
C)  gets more transparent. 
D)  gets less transparent. 
E)  becomes more rounded.

Question 8

Receptor potentials may generate action potentials in the receptor cell itself, or they may cause that stimulates an associated neuron to generate action potentials.

Accepted Answer

A)  an influx of Cl- 
B)  the release of neurotransmitter 
C)  a change in pressure 
D)  the production of glucose 
E)  an increase in blood flow 
A)  an influx of Cl- 
B)  the release of neurotransmitter 
C)  a change in pressure 
D)  the production of glucose 
E)  an increase in blood flow

Question 9

Your friend has trouble distinguishing the color red from the color green. You explain that he is color- deficient because his eyes

Accepted Answer

A)  were damaged by bright sunlight. 
B)  are too elongated or have a cornea that is too round. 
C)  have rods but no cones. 
D)  do not have the photopigments stimulated by red or green light. 
E)  have larger blind spots than normal. 
A)  were damaged by bright sunlight. 
B)  are too elongated or have a cornea that is too round. 
C)  have rods but no cones. 
D)  do not have the photopigments stimulated by red or green light. 
E)  have larger blind spots than normal.

Question 10

Pain receptors

Accepted Answer

A)  respond to bradykinin, which is produced as a result of cell damage. 
B)  are activated when skin temperatures are between 65°F and 100°F. 
C)  are sometimes called photoreceptors. 
D)  do not respond to stretching. 
A)  respond to bradykinin, which is produced as a result of cell damage. 
B)  are activated when skin temperatures are between 65°F and 100°F. 
C)  are sometimes called photoreceptors. 
D)  do not respond to stretching.

Question 11

The sense of taste relies on

Accepted Answer

A)  taste buds only. 
B)  olfactory receptors only. 
C)  taste buds, olfactory receptors, and nociceptors. 
D)  both taste buds and olfactory receptors. 
E)  taste buds, olfactory receptors, and mechanoreceptors. 
A)  taste buds only. 
B)  olfactory receptors only. 
C)  taste buds, olfactory receptors, and nociceptors. 
D)  both taste buds and olfactory receptors. 
E)  taste buds, olfactory receptors, and mechanoreceptors.

Question 12

After 20 years on the road, Roger recently retired as the drummer of a rock band. It didn't take long for Roger to realize that he was unable to hear as well as he used to. Roger's diminished hearing is most likely due to damage of

Accepted Answer

A)  the auditory nerve. 
B)  the hammer and anvil. 
C)  corpuscles. 
D)  hair cells. 
E)  the tympanic membrane. 
A)  the auditory nerve. 
B)  the hammer and anvil. 
C)  corpuscles. 
D)  hair cells. 
E)  the tympanic membrane.

Question 13

Chemoreceptors include

Accepted Answer

A)  free nerve endings. 
B)  olfactory receptors. 
C)  rods. 
D)  hair cells. 
E)  Pacinian corpuscles. 
A)  free nerve endings. 
B)  olfactory receptors. 
C)  rods. 
D)  hair cells. 
E)  Pacinian corpuscles.

Question 14

The detect movement of the head.

Accepted Answer

A)  bones in the middle ear 
B)  pinna and auditory canal of the outer ear 
C)  oval and round windows of the inner ear 
D)  semicircular canals of the inner ear 
E)  olfactory receptors in the nasal cavity 
A)  bones in the middle ear 
B)  pinna and auditory canal of the outer ear 
C)  oval and round windows of the inner ear 
D)  semicircular canals of the inner ear 
E)  olfactory receptors in the nasal cavity

Question 15

Explain how structures within the saccule would respond to descending in an elevator from the fifteenth floor to the third floor?

Accepted Answer

When the elevator is not moving, the hai

Question 16

The receptor cells for hearing are located in the

Accepted Answer

A)  semicircular canals. 
B)  auditory tube. 
C)  utricle. 
D)  cochlea. 
E)  saccule. 
A)  semicircular canals. 
B)  auditory tube. 
C)  utricle. 
D)  cochlea. 
E)  saccule.

Question 17

The threshold of human skin temperature at which cool or cold is perceived as pain is

Accepted Answer

A)  32°F. 
B)  - 5°F. 
C)  0°F. 
D)  59°F. 
A)  32°F. 
B)  - 5°F. 
C)  0°F. 
D)  59°F.

Question 18

Chemicals detected by the nose must

Accepted Answer

A)  cause bending of hair cells in the upper nasal cavity. 
B)  dissolve in mucus in the nasal cavity. 
C)  bind to taste buds. 
D)  stimulate the cones. 
E)  first enter the mouth. 
A)  cause bending of hair cells in the upper nasal cavity. 
B)  dissolve in mucus in the nasal cavity. 
C)  bind to taste buds. 
D)  stimulate the cones. 
E)  first enter the mouth.

Question 19

Odor molecules diffuse through mucus and bind directly to the of olfactory receptors.

Accepted Answer

A)  microvilli 
B)  axons 
C)  corpuscles 
D)  dendrites 
E)  cell body 
A)  microvilli 
B)  axons 
C)  corpuscles 
D)  dendrites 
E)  cell body

Question 20

Hair cells in the human ear are located on the

Accepted Answer

A)  basilar membrane. 
B)  pinna. 
C)  tympanic membrane. 
D)  round window. 
A)  basilar membrane. 
B)  pinna. 
C)  tympanic membrane. 
D)  round window.

Exam 40: The Senses

Why does food taste bland when you have a cold?

What is the blind spot, and why does it occur?

Ruffini corpuscles respond to a light touch against the skin.

You take a drink of scalding coffee and it burns your tongue. The cells of the taste bud divide to replace the damaged receptors.

Select the correct path through which sound waves travel to stimulate hearing.

People who wear contact lenses or glasses have a defect in the

In humans, when the eye focuses on a nearby object, the lens

Receptor potentials may generate action potentials in the receptor cell itself, or they may cause that stimulates an associated neuron to generate action potentials.

Your friend has trouble distinguishing the color red from the color green. You explain that he is color- deficient because his eyes

Pain receptors

The sense of taste relies on

After 20 years on the road, Roger recently retired as the drummer of a rock band. It didn't take long for Roger to realize that he was unable to hear as well as he used to. Roger's diminished hearing is most likely due to damage of

Chemoreceptors include

The detect movement of the head.

Explain how structures within the saccule would respond to descending in an elevator from the fifteenth floor to the third floor?

The receptor cells for hearing are located in the

The threshold of human skin temperature at which cool or cold is perceived as pain is

Chemicals detected by the nose must

Odor molecules diffuse through mucus and bind directly to the of olfactory receptors.

Hair cells in the human ear are located on the

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

Cellular Reproduction

Meiosis: the Basis of Sexual 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 Amid 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

Energy Flow and Nutrient Cycling in Ecosystems

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 Nervous System

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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