Question 1

Any cell that generates an electrical signal in response to a stimulus is a receptor.

Accepted Answer

The answer of Any cell that generates an electrical signal...

Question 2

The fovea of the human eye

Accepted Answer

A)  is located in the sclera. 
B)  is the part of the retina that produces the sharpest image. 
C)  contains a high concentration of ommatidia. 
D)  is also known as the blind spot. 
E)  contains mostly rods. 
A)  is located in the sclera. 
B)  is the part of the retina that produces the sharpest image. 
C)  contains a high concentration of ommatidia. 
D)  is also known as the blind spot. 
E)  contains mostly rods.

Question 3

Cones are specialized to detect which of the following types of stimuli?

Accepted Answer

A)  Light 
B)  Odor 
C)  Heat and cold 
D)  Taste 
E)  Vibration 
A)  Light 
B)  Odor 
C)  Heat and cold 
D)  Taste 
E)  Vibration

Question 4

Sensory receptors are grouped into categories based on the

Accepted Answer

A)  stimuli to which they respond. 
B)  types of action potentials they generate. 
C)  part of the central nervous system to which they connect. 
D)  brain cells they stimulate. 
A)  stimuli to which they respond. 
B)  types of action potentials they generate. 
C)  part of the central nervous system to which they connect. 
D)  brain cells they stimulate.

Question 5

Which of the following has the greatest potential to damage hair cells after prolonged exposure?

Accepted Answer

A)  Two humans talking 
B)  A car engine 
C)  Noisy restaurant 
D)  Noise from an urban street 
E)  MP3 player 
A)  Two humans talking 
B)  A car engine 
C)  Noisy restaurant 
D)  Noise from an urban street 
E)  MP3 player

Question 6

The frequency of a sound wave determines the _ of the sound you hear.

Accepted Answer

A)  tone 
B)  loudness 
C)  amplitude 
D)  pitch 
A)  tone 
B)  loudness 
C)  amplitude 
D)  pitch

Question 7

The provides nourishment for the lens and cornea.

Accepted Answer

A)  choroid 
B)  aqueous humor 
C)  vitreous humor 
D)  optic nerve 
E)  retina 
A)  choroid 
B)  aqueous humor 
C)  vitreous humor 
D)  optic nerve 
E)  retina

Question 8

The hair- like projections of the hair cells are inserted into the

Accepted Answer

A)  round window. 
B)  tectorial membrane. 
C)  basilar membrane. 
D)  oval window. 
E)  tympanic membrane. 
A)  round window. 
B)  tectorial membrane. 
C)  basilar membrane. 
D)  oval window. 
E)  tympanic membrane.

Question 9

-In the above figure, which part of the eye contains photoreceptors (rods and cones), signal processing neurons, and ganglion cells?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 10

Sour sensations occur when H+ binds to taste receptor cells.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following chemical compounds stimulate cold receptors in the skin and oral cavity?

Accepted Answer

A)  Menthol 
B)  Camphor 
C)  Monosodium glutamate (MSG) 
D)  Capsaicin 
E)  Clove oil 
A)  Menthol 
B)  Camphor 
C)  Monosodium glutamate (MSG) 
D)  Capsaicin 
E)  Clove oil

Question 12

A cell specialized to respond to a particular type of stimulus is a

Accepted Answer

A)  corpuscle. 
B)  sensory receiver. 
C)  sensory receptor. 
D)  saccule. 
E)  pinna. 
A)  corpuscle. 
B)  sensory receiver. 
C)  sensory receptor. 
D)  saccule. 
E)  pinna.

Question 13

Ommatidia are found in the compound eyes of

Accepted Answer

A)  insects. 
B)  humans. 
C)  mollusks. 
D)  flatworms. 
E)  amphibians. 
A)  insects. 
B)  humans. 
C)  mollusks. 
D)  flatworms. 
E)  amphibians.

Question 14

Describe the structure of a taste bud.

Accepted Answer

A taste bud is a cluster of cells (suppo

Question 15

The malleus is also called the

Accepted Answer

A)  anvil. 
B)  stirrup. 
C)  hammer. 
D)  pinna. 
E)  cochlea. 
A)  anvil. 
B)  stirrup. 
C)  hammer. 
D)  pinna. 
E)  cochlea.

Question 16

Vibration of the stirrup against this membrane transmits sound waves into the fluid- filled cochlea.

Accepted Answer

A)  Tympanic membrane 
B)  Basilar membrane 
C)  Oval window 
D)  Tectorial membrane 
E)  Round window 
A)  Tympanic membrane 
B)  Basilar membrane 
C)  Oval window 
D)  Tectorial membrane 
E)  Round window

Question 17

-Optometrists, who help patients with their vision problems, know that certain types of repetitive use of the muscles around the lens of the eye can "train" the lens to become flatter than normal. This often occurs in truck drivers, sailors, and other people who focus on the horizon or at great distances for long periods of time. What would be the consequence of this on the eye over a long time period?

Accepted Answer

A)  Nearsightedness 
B)  Color- deficiency 
C)  Complete blindness 
D)  Farsightedness 
A)  Nearsightedness 
B)  Color- deficiency 
C)  Complete blindness 
D)  Farsightedness

Question 18

How many taste buds are on the human tongue?

Accepted Answer

A)  5,000,000 
B)  50 
C)  500 
D)  5 
E)  5,000 
A)  5,000,000 
B)  50 
C)  500 
D)  5 
E)  5,000

Question 19

All of the following are examples of mechanoreceptors EXCEPT

Accepted Answer

A)  Ruffini corpuscles. 
B)  Meissner's corpuscles. 
C)  olfactory receptors. 
D)  Pacinian corpuscles. 
E)  stretch receptors. 
A)  Ruffini corpuscles. 
B)  Meissner's corpuscles. 
C)  olfactory receptors. 
D)  Pacinian corpuscles. 
E)  stretch receptors.

Question 20

You are researching the adaptations of a newly discovered mammal that is active mostly at night. Which adaptation to the eye would you expect to find?

Accepted Answer

A)  Thicker vitreous humor behind the lens 
B)  An eyespot that can only discern light from dark 
C)  A reflective choroid behind the retina 
D)  Crustacean flattened cornea resulting in farsightedness 
E)  Many individual light- sensitive subunits in each eye 
A)  Thicker vitreous humor behind the lens 
B)  An eyespot that can only discern light from dark 
C)  A reflective choroid behind the retina 
D)  Crustacean flattened cornea resulting in farsightedness 
E)  Many individual light- sensitive subunits in each eye

Exam 40: The Senses

Any cell that generates an electrical signal in response to a stimulus is a receptor.

The fovea of the human eye

Cones are specialized to detect which of the following types of stimuli?

Sensory receptors are grouped into categories based on the

Which of the following has the greatest potential to damage hair cells after prolonged exposure?

The frequency of a sound wave determines the _ of the sound you hear.

The provides nourishment for the lens and cornea.

The hair- like projections of the hair cells are inserted into the

-In the above figure, which part of the eye contains photoreceptors (rods and cones), signal processing neurons, and ganglion cells?

Sour sensations occur when H+ binds to taste receptor cells.

Which of the following chemical compounds stimulate cold receptors in the skin and oral cavity?

A cell specialized to respond to a particular type of stimulus is a

Ommatidia are found in the compound eyes of

Describe the structure of a taste bud.

The malleus is also called the

Vibration of the stirrup against this membrane transmits sound waves into the fluid- filled cochlea.

How many taste buds are on the human tongue?

All of the following are examples of mechanoreceptors EXCEPT

You are researching the adaptations of a newly discovered mammal that is active mostly at night. Which adaptation to the eye would you expect to find?

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

Filters