Question 1

The cochlea is part of the

Accepted Answer

A) pinnae. 
B) inner ear. 
C) middle ear. 
D) outer ear.

Question 2

Mark's ability to distinguish a trumpet and a trombone or his mother's voice from his sister's voice is most likely due to the _____ of these stimuli.

Accepted Answer

A) pitch 
B) amplitude 
C) decibels 
D) timbre

Question 3

The smallest intensity of a stimulus that you can detect 50 percent of the time is the

Accepted Answer

A) absolute threshold. 
B) sensory threshold. 
C) extrasensory perception. 
D) perceptual set.

Question 4

When something warm touches your skin, you feel warmth.When something cold touches your skin, you feel coldness.If things both warm and cold touch your skin, stimulating adjacent thermoreceptors for warmth and cold, you will feel

Accepted Answer

A) hotness. 
B) coldness. 
C) both hotness and coldness. 
D) neither hotness nor coldness.

Question 5

The iris is the

Accepted Answer

A) clear membrane just in front of the cornea through which light first passes. 
B) colored part of the eye that contains muscles that control the size of the pupil. 
C) white outer part of the eye that helps to maintain the shape of the eye and to protect it from injury. 
D) light-sensitive surface at the back of the eye that records what we see and converts it to neural impulses for processing in the brain.

Question 6

Which of the following is true of sensatory receptors?

Accepted Answer

A) Sensory receptors are specialized cells that are not selective. 
B) Sensory receptors send information to the environment, creating local electrical currents. 
C) Not all sensation begins with sensory receptors. 
D) Sensory receptors are the openings through which the brain and nervous system experience the worlD.

Question 7

Looking at a quarter in your hand casts a different image on your retina compared to looking at a quarter across the room, yet we know that the quarter is the same and retains the same dimensions.This phenomenon is known as

Accepted Answer

A) perceptual constancy. 
B) figure-ground. 
C) the Ponzo illusion. 
D) Gestalt closure.

Question 8

Which of the following sensory processes is most activated when a person is watching a silent movie?

Accepted Answer

A) thermoreception 
B) chemoreception 
C) mechanoreception 
D) photoreception

Question 9

What theory of perception proposes that detection of stimuli depends on a variety of factors including, but not limited to, physical intensity of the stimulus, fatigue of the observer, and expectancy?

Accepted Answer

A) opponent-process theory 
B) multiple-perceptual-context theory 
C) signal-detection theory 
D) weber's theory

Question 10

Which of the following examples best illustrates extrasensory perception (ESP)?

Accepted Answer

A) George performs a magic trick. 
B) Tony runs faster than the others in a race. 
C) Jeff reads another person's mind. 
D) Richard levitates in front of an audience.

Question 11

Describe the structures and functions of the ear.

Accepted Answer

The answer of Describe the structures and functions of the...

Question 12

The pupil is the

Accepted Answer

A) white, outer part of the eye that helps to maintain the shape of the eye and to protect it from injury. 
B) colored part of the eye, which might be light blue in one individual and dark brown in another. 
C) opening in the center of the iris, which appears black. 
D) multilayered light-sensitive surface in the eye that records electromagnetic energy.

Question 13

As light enters the eye, eventually it reaches the light-sensitive _____ at the back of the eye.

Accepted Answer

A) iris 
B) lens 
C) retina 
D) cornea

Question 14

In the context of sensory receptors, chemoreception most likely occurs when a person

Accepted Answer

A) punches a wall. 
B) stares at bright light. 
C) listens to the radio. 
D) smells a rose.

Question 15

In the context of the auditory system, frequency theory states that

Accepted Answer

A) the vibrations in the ear produced by auditory stimuli travel in one direction-from the tip of the cochlea to the oval window. 
B) each frequency produces vibrations at a particular spot on the basilar membrane of the inner ear. 
C) the perception of a sound's frequency depends on how often the auditory nerve fires. 
D) a cluster of nerve cells in the inner ear can fire neural impulses in rapid succession.

Question 16

_____ is the perceptual experience of the frequency of a sound.

Accepted Answer

A) Amplitude 
B) Loudness 
C) Pitch 
D) Sound wave

Question 17

What are rods and cones? Describe their functions in the eye.

Accepted Answer

The answer of What are rods and cones? Describe their...

Question 18

In the context of the visual system, which of the following scenarios best illustrates the need for the functioning of rods in the retina?

Accepted Answer

A) Shelby is window shopping on her favorite street during the day. 
B) Ray is reading under a bright light in the library. 
C) Marcus is trying to find his seat in the dark in a movie theater. 
D) Andrew is watching football on the television in his living room.

Question 19

While walking barefoot on the beach, the physical pain one experiences when stepping on a jellyfish most accurately exemplifies

Accepted Answer

A) sensation. 
B) perception. 
C) incubation. 
D) photoreception.

Question 20

Identify an example of precognition.

Accepted Answer

A) George senses a future event at a party. 
B) Miguel reads another person's mind. 
C) Sarah levitates at a park. 
D) Vincent performs a magic trick.

Exam 3: Sensation and Perception