Question 1

The part of the eye that may be colored (e.g., brown, blue, green, or gray) is the

Accepted Answer

A) retina. 
B) sclera. 
C) choroid. 
D) cornea. 
E) iris. 
A) retina. 
B) sclera. 
C) choroid. 
D) cornea. 
E) iris. E

Question 2

Cones are

Accepted Answer

A) sensitive to red light. 
B) sensitive to green light. 
C) sensitive to blue light. 
D) relatively insensitive to dim light. 
E) all of these. 
A) sensitive to red light. 
B) sensitive to green light. 
C) sensitive to blue light. 
D) relatively insensitive to dim light. 
E) all of these. E

Question 3

Which of the following statements is (are) true?

Accepted Answer

A) All action potentials transmitted by the same neuron are alike. 
B) The brain assesses a stimulus in part by which neuron pathways are active. 
C) Different neurons convey different information by transmitting impulses to different areas of the brain. 
D) A strong stimulus recruits more receptors than does a weak stimulus. 
E) All of these are true. 
A) All action potentials transmitted by the same neuron are alike. 
B) The brain assesses a stimulus in part by which neuron pathways are active. 
C) Different neurons convey different information by transmitting impulses to different areas of the brain. 
D) A strong stimulus recruits more receptors than does a weak stimulus. 
E) All of these are true. E

Question 4

The adjustable ring of contractile and connective tissues that controls the amount of light entering the eye is the

Accepted Answer

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

Question 5

Which of the following explains why the owl has its head almost upside down?

Accepted Answer

A) Photoreceptors are concentrated near the bottom of the eye. 
B) Photoreceptors are concentrated near the top of the eye. 
C) Loud music from a passing car caused damage to the sense of balance. 
D) It is trying to remove water from its ear after a hard rain. 
E) None of these are an accurate explanation. 
A) Photoreceptors are concentrated near the bottom of the eye. 
B) Photoreceptors are concentrated near the top of the eye. 
C) Loud music from a passing car caused damage to the sense of balance. 
D) It is trying to remove water from its ear after a hard rain. 
E) None of these are an accurate explanation.

Question 6

The highest concentration of cones is in the

Accepted Answer

A) fovea. 
B) blind spot. 
C) sclera. 
D) ommatidium. 
E) choroid. 
A) fovea. 
B) blind spot. 
C) sclera. 
D) ommatidium. 
E) choroid.

Question 7

The acoustical sense deals with the sense of

Accepted Answer

A) taste. 
B) smell. 
C) touch. 
D) sight. 
E) hearing. 
A) taste. 
B) smell. 
C) touch. 
D) sight. 
E) hearing.

Question 8

The semicircular canals are

Accepted Answer

A) empty. 
B) filled with gas. 
C) filled with a liquid. 
D) filled with bones or stones. 
E) filled with sand grains. 
A) empty. 
B) filled with gas. 
C) filled with a liquid. 
D) filled with bones or stones. 
E) filled with sand grains.

Question 9

The fovea

Accepted Answer

A) is the blind spot produced by the optic nerve entering the eye. 
B) is the region of the retina filled with cones that allows the most acute vision. 
C) is the region of the retina that has the greatest concentration of rods that enable sight under extremely dim conditions. 
D) focuses light on the retina. 
E) is the anterior fluid-filled chamber of the eye. 
A) is the blind spot produced by the optic nerve entering the eye. 
B) is the region of the retina filled with cones that allows the most acute vision. 
C) is the region of the retina that has the greatest concentration of rods that enable sight under extremely dim conditions. 
D) focuses light on the retina. 
E) is the anterior fluid-filled chamber of the eye.

Question 10

The white protective fibrous tissue of the eye, often called the white of the eye, is the

Accepted Answer

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

Question 11

Use the figure above to answer questions 
  
-The portion of the ear that allows for balance control is indicated by

Accepted Answer

A) A. 
B) B. 
C) C. 
D) E. 
E) nothing labeled on this figure. 
A) A. 
B) B. 
C) C. 
D) E. 
E) nothing labeled on this figure.

Question 12

The somatic senses include all EXCEPT which one of the following sensations?

Accepted Answer

A) balance 
B) pain near the body surface 
C) temperature 
D) touch 
E) pressure 
A) balance 
B) pain near the body surface 
C) temperature 
D) touch 
E) pressure

Question 13

Olfactory centers are responsive to

Accepted Answer

A) touch. 
B) odor. 
C) taste. 
D) sound. 
E) sight. 
A) touch. 
B) odor. 
C) taste. 
D) sound. 
E) sight.

Question 14

Octopuses and squids, like vertebrates, have

Accepted Answer

A) simple eyes. 
B) ocelli. 
C) ciliary eyes. 
D) compound eyes. 
E) "camera" eyes. 
A) simple eyes. 
B) ocelli. 
C) ciliary eyes. 
D) compound eyes. 
E) "camera" eyes.

Question 15

Noise louder than __________ decibels can damage hearing.

Accepted Answer

A) 10 
B) 21 
C) 90 
D) 50 
E) none of these 
A) 10 
B) 21 
C) 90 
D) 50 
E) none of these

Question 16

Which of the following is mismatched?

Accepted Answer

A) certain fungi; retinal destruction 
B) trachoma; damage to conjunctiva leading to blindness 
C) glaucoma; excess pressure of the aqueous humor 
D) astigmatism; vertical axis is longer than the horizontal axis of the eyeball 
E) cataract; gradual clouding of the lens 
A) certain fungi; retinal destruction 
B) trachoma; damage to conjunctiva leading to blindness 
C) glaucoma; excess pressure of the aqueous humor 
D) astigmatism; vertical axis is longer than the horizontal axis of the eyeball 
E) cataract; gradual clouding of the lens

Question 17

The sense of hearing in both invertebrates and vertebrates is dependent on

Accepted Answer

A) fluid displacement. 
B) hair bending. 
C) echolocation. 
D) vibration of a membrane. 
E) all of these. 
A) fluid displacement. 
B) hair bending. 
C) echolocation. 
D) vibration of a membrane. 
E) all of these.

Question 18

Motion sickness is the result of

Accepted Answer

A) overstimulation of the hair cells in the vestibular apparatus. 
B) visual input that tells the brain that the body is motionless. 
C) cell phone use in a moving vehicle. 
D) overstimulation of the hair cells in the vestibular apparatus and visual input that tells the brain that the body is motionless. 
E) overstimulation of the hair cells in the vestibular apparatus, visual input that tells the brain that the body is motionless, and cell phone use in a moving vehicle. 
A) overstimulation of the hair cells in the vestibular apparatus. 
B) visual input that tells the brain that the body is motionless. 
C) cell phone use in a moving vehicle. 
D) overstimulation of the hair cells in the vestibular apparatus and visual input that tells the brain that the body is motionless. 
E) overstimulation of the hair cells in the vestibular apparatus, visual input that tells the brain that the body is motionless, and cell phone use in a moving vehicle.

Question 19

Pheromones

Accepted Answer

A) are social signals. 
B) are detected by the vomeronasal organ in reptiles and most mammals. 
C) may serve as sex attractants. 
D) are not detected or responded to by humans. 
E) include all EXCEPT "are not detected or responded to by humans." 
A) are social signals. 
B) are detected by the vomeronasal organ in reptiles and most mammals. 
C) may serve as sex attractants. 
D) are not detected or responded to by humans. 
E) include all EXCEPT "are not detected or responded to by humans."

Question 20

Humans perceive the taste sensations of

Accepted Answer

A) sweet. 
B) salty. 
C) bitter. 
D) umami. 
E) all of these. 
A) sweet. 
B) salty. 
C) bitter. 
D) umami. 
E) all of these.

Exam 34: Sensory Perception

The part of the eye that may be colored (e.g., brown, blue, green, or gray) is the

Cones are

Which of the following statements is (are) true?

The adjustable ring of contractile and connective tissues that controls the amount of light entering the eye is the

Which of the following explains why the owl has its head almost upside down?

The highest concentration of cones is in the

The acoustical sense deals with the sense of

The semicircular canals are

The fovea

The white protective fibrous tissue of the eye, often called the white of the eye, is the

Use the figure above to answer questions -The portion of the ear that allows for balance control is indicated by

The somatic senses include all EXCEPT which one of the following sensations?

Olfactory centers are responsive to

Octopuses and squids, like vertebrates, have

Noise louder than __________ decibels can damage hearing.

Which of the following is mismatched?

The sense of hearing in both invertebrates and vertebrates is dependent on

Motion sickness is the result of

Pheromones

Humans perceive the taste sensations of

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters