Question 1

Binocular vision is possible in animals that have

Accepted Answer

A) their eyes located to the sides of the head. 
B) their eyes facing forward. 
C) many eyes located at many parts of the head. 
D) infrared vision. 
E) a sense of depth. 
A) their eyes located to the sides of the head. 
B) their eyes facing forward. 
C) many eyes located at many parts of the head. 
D) infrared vision. 
E) a sense of depth. B

Question 2

The photopigment of rods is called

Accepted Answer

A) photopsin. 
B) rhodopsin. 
C) opsin. 
D) carotene. 
E) melanin. 
A) photopsin. 
B) rhodopsin. 
C) opsin. 
D) carotene. 
E) melanin. B

Question 3

In this figure,what is the best description of the mechanism occurring on the cell membrane?

Accepted Answer

A) The cell membrane is being excited. 
B) The cell membrane is being inhibited. 
C) The cell membrane is producing an action potential. 
D) The cell membrane is hyperpolarizing. 
E) The cell membrane is depolarizing. 
A) The cell membrane is being excited. 
B) The cell membrane is being inhibited. 
C) The cell membrane is producing an action potential. 
D) The cell membrane is hyperpolarizing. 
E) The cell membrane is depolarizing. D

Question 4

The receptors of the skin,called the cutaneous receptors,are classified as interoceptors.These are good examples of the specialization of receptor structure and function.These receptors respond to

Accepted Answer

A) heat and cold. 
B) pain,touch,and pressure. 
C) chemicals,light,and sound. 
D) heat,cold,pain,touch,and pressure. 
E) heat,cold,pain,touch,pressure,chemicals,light,and sound. 
A) heat and cold. 
B) pain,touch,and pressure. 
C) chemicals,light,and sound. 
D) heat,cold,pain,touch,and pressure. 
E) heat,cold,pain,touch,pressure,chemicals,light,and sound.

Question 5

When stimulated by the binding of specific chemicals,the proteins in the membranes of taste bud receptors and olfactory neurons

Accepted Answer

A) depolarize. 
B) repolarize. 
C) become polarized. 
D) produce action potentials. 
E) release neurotransmitters. 
A) depolarize. 
B) repolarize. 
C) become polarized. 
D) produce action potentials. 
E) release neurotransmitters.

Question 6

The receptors that are shorter and responsible for color vision are

Accepted Answer

A) rods. 
B) cones. 
C) bipolar cells. 
D) glial cells. 
E) ganglion cells. 
A) rods. 
B) cones. 
C) bipolar cells. 
D) glial cells. 
E) ganglion cells.

Question 7

Exteroceptors can sense all of the following stimuli except

Accepted Answer

A) gravity. 
B) smell. 
C) light. 
D) muscle tension. 
E) sound. 
A) gravity. 
B) smell. 
C) light. 
D) muscle tension. 
E) sound.

Question 8

The sensory structures that enable the brains of most invertebrates to determine the orientation of the body with respect to gravity are called

Accepted Answer

A) carotid bodies. 
B) statocysts. 
C) Ruffini endings. 
D) baroreceptors. 
E) interoceptors. 
A) carotid bodies. 
B) statocysts. 
C) Ruffini endings. 
D) baroreceptors. 
E) interoceptors.

Question 9

In the typical vertebrate,which letter best describes the direction of incoming light?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) All of the directions are possiblE. 
A) A 
B) B 
C) C 
D) D 
E) All of the directions are possiblE.

Question 10

Which of these structures is not found in an octopus eye but is found in a human eye?

Accepted Answer

A) retina 
B) lens 
C) optic nerve 
D) blind spot 
E) cones 
A) retina 
B) lens 
C) optic nerve 
D) blind spot 
E) cones

Question 11

Different nociceptors may respond to all of the following except

Accepted Answer

A) extremes in temperature. 
B) very intense mechanical stimulation. 
C) specific chemicals in the extracellular fluid. 
D) chemicals released by injured cells. 
E) external odorant molecules. 
A) extremes in temperature. 
B) very intense mechanical stimulation. 
C) specific chemicals in the extracellular fluid. 
D) chemicals released by injured cells. 
E) external odorant molecules.

Question 12

The statoliths of a lobster are replaced with iron filings.A strong magnetic field is produced on the top of the lobster's tank.What is the likely response of the lobster?

Accepted Answer

A) The lobster's dorsal surface sticks to the top of the tank and it is unable to move. 
B) The lobster would tend to remain upside down gripping the underside of the top of the tank. 
C) The lobster would turn upside down and remain on the bottom of the tank. 
D) Nothing would occur. 
E) The lobster would spin around continuously. 
A) The lobster's dorsal surface sticks to the top of the tank and it is unable to move. 
B) The lobster would tend to remain upside down gripping the underside of the top of the tank. 
C) The lobster would turn upside down and remain on the bottom of the tank. 
D) Nothing would occur. 
E) The lobster would spin around continuously.

Question 13

Choose the letter of the best match from the following:
-Merkle cell.

Accepted Answer

A) tonic receptors located near the surface of the skin 
B) pressure sensitive receptors in the subcutaneous layer 
C) receptors located on the face and fingertips 
A) tonic receptors located near the surface of the skin 
B) pressure sensitive receptors in the subcutaneous layer 
C) receptors located on the face and fingertips

Question 14

Which of the following receptors does not involve depolarization leading to an action potential in a sensory neuron?

Accepted Answer

A) mechanoreceptors 
B) G-protein receptors 
C) chemoreceptors 
D) photoreceptors 
E) exteroceptors and interoceptors 
A) mechanoreceptors 
B) G-protein receptors 
C) chemoreceptors 
D) photoreceptors 
E) exteroceptors and interoceptors

Question 15

All input from sensory neurons to the central nervous system arrives in the same form,as ____________ propagated by afferent sensory neurons.Perception of the stimuli about type and intensity depend on the projection of the impulse to which part of the brain and its frequency by the sensory neuron.

Accepted Answer

A) action potentials 
B) receptor potentials 
C) reflexes 
D) frequency localizations 
E) thresholds 
A) action potentials 
B) receptor potentials 
C) reflexes 
D) frequency localizations 
E) thresholds

Question 16

Which of the following cells are not found in the retina?

Accepted Answer

A) rods 
B) cones 
C) bipolar cells 
D) glial cells 
E) ganglion cells 
A) rods 
B) cones 
C) bipolar cells 
D) glial cells 
E) ganglion cells

Question 17

Our visual acuity is greatest when

Accepted Answer

A) an image is focused on the rods outside the foveA. 
B) an image is focused on the cones outside the fovea. 
C) an image is focused on the rods of the fovea. 
D) an image is focused on the cones of the fovea. 
E) an image is focused on the rods and cones in any area of the retina as long as there is ample light. 
A) an image is focused on the rods outside the foveA. 
B) an image is focused on the cones outside the fovea. 
C) an image is focused on the rods of the fovea. 
D) an image is focused on the cones of the fovea. 
E) an image is focused on the rods and cones in any area of the retina as long as there is ample light.

Question 18

Vertebrates contain receptors for all of the following senses except

Accepted Answer

A) hearing. 
B) taste. 
C) smell. 
D) humidity. 
E) vision. 
A) hearing. 
B) taste. 
C) smell. 
D) humidity. 
E) vision.

Question 19

Electroreceptors are found in all of the following animals except

Accepted Answer

A) bony fish. 
B) sharks. 
C) duck-bill platypus. 
D) skates. 
E) pit viper snakes. 
A) bony fish. 
B) sharks. 
C) duck-bill platypus. 
D) skates. 
E) pit viper snakes.

Question 20

Choose the letter of the best match from the following:
-Meissner's corpuscle.

Accepted Answer

A) tonic receptors located near the surface of the skin 
B) pressure sensitive receptors in the subcutaneous layer 
C) receptors located on the face and fingertips 
A) tonic receptors located near the surface of the skin 
B) pressure sensitive receptors in the subcutaneous layer 
C) receptors located on the face and fingertips

Exam 45: Sensory Systems

Binocular vision is possible in animals that have

The photopigment of rods is called

In this figure,what is the best description of the mechanism occurring on the cell membrane?

The receptors of the skin,called the cutaneous receptors,are classified as interoceptors.These are good examples of the specialization of receptor structure and function.These receptors respond to

When stimulated by the binding of specific chemicals,the proteins in the membranes of taste bud receptors and olfactory neurons

The receptors that are shorter and responsible for color vision are

Exteroceptors can sense all of the following stimuli except

The sensory structures that enable the brains of most invertebrates to determine the orientation of the body with respect to gravity are called

In the typical vertebrate,which letter best describes the direction of incoming light?

Which of these structures is not found in an octopus eye but is found in a human eye?

Different nociceptors may respond to all of the following except

The statoliths of a lobster are replaced with iron filings.A strong magnetic field is produced on the top of the lobster's tank.What is the likely response of the lobster?

Choose the letter of the best match from the following: -Merkle cell.

Which of the following receptors does not involve depolarization leading to an action potential in a sensory neuron?

All input from sensory neurons to the central nervous system arrives in the same form,as ____________ propagated by afferent sensory neurons.Perception of the stimuli about type and intensity depend on the projection of the impulse to which part of the brain and its frequency by the sensory neuron.

Which of the following cells are not found in the retina?

Our visual acuity is greatest when

Vertebrates contain receptors for all of the following senses except

Electroreceptors are found in all of the following animals except

Choose the letter of the best match from the following: -Meissner's corpuscle.

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology