Question 1

Movable bones are features of the sense organs associated with

Accepted Answer

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

Question 2

Hair cells are important in the sense of

Accepted Answer

A) equilibrium. 
B) hearing. 
C) taste. 
D) smell. 
E) both equilibrium and hearing. 
A) equilibrium. 
B) hearing. 
C) taste. 
D) smell. 
E) both equilibrium and hearing.

Question 3

Which of the following statements is false?

Accepted Answer

A) Sensory receptors are structured to detect specific stimuli. 
B) Sensation is an awareness of a change in external or internal conditions. 
C) A stimulus will generate impulses that are different depending on where the signals are sent in the brain. 
D) Information about a stimulus is coded in the quantity and frequency of action potentials sent to the brain. 
E) Specific regions of the brain translate the information about the signal and convert it into a sensation. 
A) Sensory receptors are structured to detect specific stimuli. 
B) Sensation is an awareness of a change in external or internal conditions. 
C) A stimulus will generate impulses that are different depending on where the signals are sent in the brain. 
D) Information about a stimulus is coded in the quantity and frequency of action potentials sent to the brain. 
E) Specific regions of the brain translate the information about the signal and convert it into a sensation.

Question 4

Which of the following statements is false?

Accepted Answer

A) It is assumed that lower animals are incapable of perception. 
B) Humans, as the most complex organisms, have all of the sensory organs found in lower forms. 
C) Mechanoreceptors are responsible for the senses of equilibrium and hearing. 
D) Nociceptors detect damage to tissues. 
E) A lobster reacts to the boiling water in which it is placed to cook. 
A) It is assumed that lower animals are incapable of perception. 
B) Humans, as the most complex organisms, have all of the sensory organs found in lower forms. 
C) Mechanoreceptors are responsible for the senses of equilibrium and hearing. 
D) Nociceptors detect damage to tissues. 
E) A lobster reacts to the boiling water in which it is placed to cook.

Question 5

Use the figure above to answer questions 
  
-The portion of the ear that sorts out pressure waves generated by sound is indicated by

Accepted Answer

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

Question 6

Mechanoreceptors mediate the sense(s) of

Accepted Answer

A) touch. 
B) muscle stretch. 
C) hearing. 
D) balance. 
E) all of these. 
A) touch. 
B) muscle stretch. 
C) hearing. 
D) balance. 
E) all of these.

Question 7

Nociceptors are also known as

Accepted Answer

A) mechanoreceptors. 
B) pain receptors. 
C) thermoreceptors. 
D) osmoreceptors. 
E) all EXCEPT "osmoreceptors." 
A) mechanoreceptors. 
B) pain receptors. 
C) thermoreceptors. 
D) osmoreceptors. 
E) all EXCEPT "osmoreceptors."

Question 8

A diminishing response by receptors to a constant stimulus is

Accepted Answer

A) perception. 
B) neural transduction. 
C) sensory adaptation. 
D) referred pain. 
E) characteristic of all receptors. 
A) perception. 
B) neural transduction. 
C) sensory adaptation. 
D) referred pain. 
E) characteristic of all receptors.

Question 9

Movable bones are found in the

Accepted Answer

A) cochlea. 
B) external ear. 
C) middle ear. 
D) inner ear. 
E) organ of Corti. 
A) cochlea. 
B) external ear. 
C) middle ear. 
D) inner ear. 
E) organ of Corti.

Question 10

In contrast to eyes, the eyespots of most invertebrates cannot

Accepted Answer

A) detect light. 
B) distinguish darkness from daylight. 
C) form distinct images. 
D) discern shadows. 
E) possess photoreceptors. 
A) detect light. 
B) distinguish darkness from daylight. 
C) form distinct images. 
D) discern shadows. 
E) possess photoreceptors.

Question 11

Somatic sensations include all EXCEPT which one of the following?

Accepted Answer

A) heat and cold 
B) pressure and touch 
C) pain 
D) position of the body's limbs 
E) sound 
A) heat and cold 
B) pressure and touch 
C) pain 
D) position of the body's limbs 
E) sound

Question 12

Action potentials generated in rod and cone cells are processed and integrated by __________ cells.

Accepted Answer

A) bipolar 
B) ganglion 
C) lateral geniculate nucleus 
D) visual cortex 
E) all of these 
A) bipolar 
B) ganglion 
C) lateral geniculate nucleus 
D) visual cortex 
E) all of these

Question 13

Accommodation involves the ability to

Accepted Answer

A) change the sensitivity of the rods and cones by means of neurotransmitters. 
B) change the curvature of the cornea. 
C) change the thickness of the lens by contracting or relaxing certain muscles. 
D) adapt to large changes in light intensity. 
E) do all of these. 
A) change the sensitivity of the rods and cones by means of neurotransmitters. 
B) change the curvature of the cornea. 
C) change the thickness of the lens by contracting or relaxing certain muscles. 
D) adapt to large changes in light intensity. 
E) do all of these.

Question 14

A sensory communication pathway involves

Accepted Answer

A) reception of stimulus energy. 
B) transduction of stimulus energy to electrochemical energy. 
C) action potentials traveling along a nerve pathway to the brain. 
D) brain response leading to sensation and/or perception. 
E) all of these. 
A) reception of stimulus energy. 
B) transduction of stimulus energy to electrochemical energy. 
C) action potentials traveling along a nerve pathway to the brain. 
D) brain response leading to sensation and/or perception. 
E) all of these.

Question 15

How many semicircular canals are in each human ear?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) more than 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) more than 6

Question 16

Which of the following statements is false?

Accepted Answer

A) All animals placed in the same environment will have the same awareness of it. 
B) Nociceptors detect tissue damage. 
C) Olfactory receptors detect odors. 
D) Pacinian corpuscles are examples of mechanoreceptors. 
E) None of these are false. 
A) All animals placed in the same environment will have the same awareness of it. 
B) Nociceptors detect tissue damage. 
C) Olfactory receptors detect odors. 
D) Pacinian corpuscles are examples of mechanoreceptors. 
E) None of these are false.

Question 17

Rhodopsin

Accepted Answer

A) is a pigment. 
B) is found in rods. 
C) absorbs photons of blue-to-green light. 
D) molecules changing shape start transduction. 
E) includes all of these descriptions. 
A) is a pigment. 
B) is found in rods. 
C) absorbs photons of blue-to-green light. 
D) molecules changing shape start transduction. 
E) includes all of these descriptions.

Question 18

Which of the following is NOT an example of sensory adaptation?

Accepted Answer

A) a loss of the sense of pressure of clothes against the skin 
B) adjustment to repeated jumping into a body of cold water 
C) response to lack of oxygen at high altitudes 
D) eventual loss of awareness of a constant noise 
E) the loss of the ability to smell a person's perfume after being in that person's presence for some time 
A) a loss of the sense of pressure of clothes against the skin 
B) adjustment to repeated jumping into a body of cold water 
C) response to lack of oxygen at high altitudes 
D) eventual loss of awareness of a constant noise 
E) the loss of the ability to smell a person's perfume after being in that person's presence for some time

Question 19

Which of the following statements is false?

Accepted Answer

A) Neurons in the brain can interpret incoming action potentials only in certain ways. 
B) Optic nerve impulses can only be interpreted as light. 
C) Sensory neurons do not follow the all-or-none law. 
D) The stronger the stimulus, the more action potentials are generated. 
E) A strong stimulus activates many adjacent receptors, thereby increasing the number of action potentials and the level of awareness for the stimulus. 
A) Neurons in the brain can interpret incoming action potentials only in certain ways. 
B) Optic nerve impulses can only be interpreted as light. 
C) Sensory neurons do not follow the all-or-none law. 
D) The stronger the stimulus, the more action potentials are generated. 
E) A strong stimulus activates many adjacent receptors, thereby increasing the number of action potentials and the level of awareness for the stimulus.

Question 20

The place(s) in the human ear where sound waves are amplified by means of the vibrations of tiny bones is

Accepted Answer

A) the pinna. 
B) the auditory canal. 
C) the middle ear. 
D) the organ of Corti. 
E) all of these. 
A) the pinna. 
B) the auditory canal. 
C) the middle ear. 
D) the organ of Corti. 
E) all of these.

Exam 34: Sensory Perception

Movable bones are features of the sense organs associated with

Hair cells are important in the sense of

Which of the following statements is false?

Which of the following statements is false?

Use the figure above to answer questions -The portion of the ear that sorts out pressure waves generated by sound is indicated by

Mechanoreceptors mediate the sense(s) of

Nociceptors are also known as

A diminishing response by receptors to a constant stimulus is

Movable bones are found in the

In contrast to eyes, the eyespots of most invertebrates cannot

Somatic sensations include all EXCEPT which one of the following?

Action potentials generated in rod and cone cells are processed and integrated by __________ cells.

Accommodation involves the ability to

A sensory communication pathway involves

How many semicircular canals are in each human ear?

Which of the following statements is false?

Rhodopsin

Which of the following is NOT an example of sensory adaptation?

Which of the following statements is false?

The place(s) in the human ear where sound waves are amplified by means of the vibrations of tiny bones is

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

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