Question 1

A blind spot in the retina occurs where

Accepted Answer

A)  the fovea is located. 
B)  ganglion cells synapse with bipolar cells. 
C)  the optic nerve leaves the eye. 
D)  rod cells are clustered to form the macula. 
E)  amacrine cells are located. 
A)  the fovea is located. 
B)  ganglion cells synapse with bipolar cells. 
C)  the optic nerve leaves the eye. 
D)  rod cells are clustered to form the macula. 
E)  amacrine cells are located.

Question 2

A ________ is a single energy packet of visible light.

Accepted Answer

The answer of A ________ is a single energy packet...

Question 3

Describe the topographic organization of the somatosensory cortex.

Accepted Answer

The cells that respond to sensation from

Question 4

The structure that separates the cochlear duct from the tympanic duct is the

Accepted Answer

A)  tectorial membrane. 
B)  basilar membrane. 
C)  membranous labyrinth. 
D)  bony labyrinth. 
E)  stapedius. 
A)  tectorial membrane. 
B)  basilar membrane. 
C)  membranous labyrinth. 
D)  bony labyrinth. 
E)  stapedius.

Question 5

There are ________ primary taste (gustation)sensations.

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  20 
E)  400 
A)  2 
B)  4 
C)  5 
D)  20 
E)  400

Question 6

Why does there seem to be a link between smell and memory?

Accepted Answer

Olfactory pathways branch off from the o

Question 7

A sudden flash of bright light would cause

Accepted Answer

A)  parasympathetic activation to contract the pupillary constrictor muscles. 
B)  sympathetic activation to contract the pupillary constrictor muscles. 
C)  parasympathetic activation to contract the pupillary dilator muscles. 
D)  sympathetic activation to contract the pupillary dilator muscles. 
E)  contraction of the ciliary muscle. 
A)  parasympathetic activation to contract the pupillary constrictor muscles. 
B)  sympathetic activation to contract the pupillary constrictor muscles. 
C)  parasympathetic activation to contract the pupillary dilator muscles. 
D)  sympathetic activation to contract the pupillary dilator muscles. 
E)  contraction of the ciliary muscle.

Question 8

Our perception of the pull of gravity and linear acceleration is the result of

Accepted Answer

A)  changes in the pressure exerted by the cupula on hair cells. 
B)  vibrations of the tectorial membrane striking hair cells. 
C)  the pressure exerted by the otolithic organ on hair cells of the maculae. 
D)  the movement of the otolithic organ within the ampullae of the semicircular canals. 
A)  changes in the pressure exerted by the cupula on hair cells. 
B)  vibrations of the tectorial membrane striking hair cells. 
C)  the pressure exerted by the otolithic organ on hair cells of the maculae. 
D)  the movement of the otolithic organ within the ampullae of the semicircular canals.

Question 9

The gate control theory of pain modulation states that pain transmission can be blocked by

Accepted Answer

A)  cold stimulation of the A-delta fibers. 
B)  mechanical stimulation of A-beta fibers. 
C)  stimulation of C-fibers. 
D)  tonic activity of the inhibitory neurons in the dorsal horn. 
A)  cold stimulation of the A-delta fibers. 
B)  mechanical stimulation of A-beta fibers. 
C)  stimulation of C-fibers. 
D)  tonic activity of the inhibitory neurons in the dorsal horn.

Question 10

Identify the False statement regarding sensory receptor cells.

Accepted Answer

A)  Threshold is the minimal stimulus intensity required to generate an action potential. 
B)  Sensory transduction converts stimulus energy into a receptor potential. 
C)  Each type of sensory receptor responds only to the stimulus that defines the receptor. 
D)  A graded potential is referred to as a receptor potential. 
E)  Many sensory receptor cells are NOT nerve cells. 
A)  Threshold is the minimal stimulus intensity required to generate an action potential. 
B)  Sensory transduction converts stimulus energy into a receptor potential. 
C)  Each type of sensory receptor responds only to the stimulus that defines the receptor. 
D)  A graded potential is referred to as a receptor potential. 
E)  Many sensory receptor cells are NOT nerve cells.

Question 11

When Gₒlf is activated, which of the following steps in the olfactory cells contribute to their depolarization?

Accepted Answer

A)  increases in adenylate cyclase only 
B)  increases in cAMP concentrations only 
C)  increases in the closure of cAMP gated cation channels only 
D)  increases in adenylate cyclase activity and cAMP concentrations 
E)  increases in adenylate cyclase activity, cAMP concentrations and closure of cAMP gated cation channels 
A)  increases in adenylate cyclase only 
B)  increases in cAMP concentrations only 
C)  increases in the closure of cAMP gated cation channels only 
D)  increases in adenylate cyclase activity and cAMP concentrations 
E)  increases in adenylate cyclase activity, cAMP concentrations and closure of cAMP gated cation channels

Question 12

List and define the four major receptor groups.

Accepted Answer

Chemoreceptors respond to the binding of

Question 13

Nociceptors are responsible for the perception of

Accepted Answer

A)  pain only. 
B)  skin stretch only. 
C)  itch only. 
D)  pain and itch. 
E)  pain and skin stretch. 
A)  pain only. 
B)  skin stretch only. 
C)  itch only. 
D)  pain and itch. 
E)  pain and skin stretch.

Question 14

Explain why calling receptors for noxious stimuli "pain receptors" is inaccurate.What is the more accepted term for these receptors?

Accepted Answer

Pain is a perception, not a type of stim

Question 15

The ciliary muscle helps to

Accepted Answer

A)  control the amount of light reaching the retina. 
B)  control the shape of the lens. 
C)  control the production of aqueous humor. 
D)  move the eyeball. 
A)  control the amount of light reaching the retina. 
B)  control the shape of the lens. 
C)  control the production of aqueous humor. 
D)  move the eyeball.

Question 16

Match the stimulus to the type of receptor that typically responds to it.
-stretch

Accepted Answer

A) chemoreceptor 
B) mechanoreceptor 
A) chemoreceptor 
B) mechanoreceptor

Question 17

Louder noises result in action potentials in the sensory neuron that are

Accepted Answer

A)  taller. 
B)  shorter. 
C)  broader. 
D)  more frequent. 
E)  less frequent. 
A)  taller. 
B)  shorter. 
C)  broader. 
D)  more frequent. 
E)  less frequent.

Question 18

Inhibiting adenyl cyclase in olfactory sensory neurons would

Accepted Answer

A)  increase the sensitivity of these receptors. 
B)  expand the range of sensitivity of these receptors. 
C)  reduce the sensitivity of these receptors. 
D)  convert the olfactory receptors from phasic to tonic receptors. 
E)  have no effect on these receptors. 
A)  increase the sensitivity of these receptors. 
B)  expand the range of sensitivity of these receptors. 
C)  reduce the sensitivity of these receptors. 
D)  convert the olfactory receptors from phasic to tonic receptors. 
E)  have no effect on these receptors.

Question 19

Damage to the fovea of the eye would interfere with the ability to

Accepted Answer

A)  focus an image. 
B)  regulate the amount of light striking the retina. 
C)  detect objects in the periphery of ones field of vision. 
D)  detect the detailed image of objects in the middle of ones field of vision. 
E)  detect color images. 
A)  focus an image. 
B)  regulate the amount of light striking the retina. 
C)  detect objects in the periphery of ones field of vision. 
D)  detect the detailed image of objects in the middle of ones field of vision. 
E)  detect color images.

Question 20

The brain's association of activation of a receptor with the perception of a particular sensation is called ________.

Accepted Answer

The answer of The brain's association of activation of a...

Exam 10: Sensory Physiology

A blind spot in the retina occurs where

A ________ is a single energy packet of visible light.

Describe the topographic organization of the somatosensory cortex.

The structure that separates the cochlear duct from the tympanic duct is the

There are ________ primary taste (gustation)sensations.

Why does there seem to be a link between smell and memory?

A sudden flash of bright light would cause

Our perception of the pull of gravity and linear acceleration is the result of

The gate control theory of pain modulation states that pain transmission can be blocked by

Identify the False statement regarding sensory receptor cells.

When Gₒlf is activated, which of the following steps in the olfactory cells contribute to their depolarization?

List and define the four major receptor groups.

Nociceptors are responsible for the perception of

Explain why calling receptors for noxious stimuli "pain receptors" is inaccurate.What is the more accepted term for these receptors?

The ciliary muscle helps to

Match the stimulus to the type of receptor that typically responds to it. -stretch

Louder noises result in action potentials in the sensory neuron that are

Inhibiting adenyl cyclase in olfactory sensory neurons would

Damage to the fovea of the eye would interfere with the ability to

The brain's association of activation of a receptor with the perception of a particular sensation is called ________.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

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