Question 1

The layer of the wall of the eye that contains blood vessels that supply nutrients to the sheet of photoreceptors at the back of the eye and becomes the iris at the front of the eye is the:

Accepted Answer

A)  Sclera
B)  Retina
C)  Vitreous humor
D)  Aqueous humor
E)  Choroid

Question 2

A platypus senses its prey not only through touch,but also by sensing electricity.How can the signal be transmitted from the bill to the brain of a platypus?

Accepted Answer

A)  The electricity would be transmitted directly to the brain through nerves
B)  The electricity would be transmitted directly to the brain through the blood
C)  By activating receptors in the brain
D)  By stimulating muscle contractions
E)  By activating receptors on neurons

Question 3

Olfaction is another name for the:

Accepted Answer

A)  Sense of body position
B)  Sense of smell
C)  Sense of hearing
D)  Sense of pain
E)  Sense of equilibrium

Question 4

figure 26.17 
-Based on figure 26.17,you conclude:

Accepted Answer

A)  c-opsin arose independently in vertebrates
B)  r-opsin arose independently in invertebrates
C)  an organism can only have one type of opsin
D)  c-opsin and r-opsin arose from a common ancestral protein
E)  c-opsins are in photoreceptor cells in vertebrates and invertebrates

Question 5

The nerve that conducts impulses to the area of the brain that determines sight is the:

Accepted Answer

A)  Auditory nerve
B)  Olfactory nerve
C)  Cochlear nerve
D)  Optic nerve
E)  Pons

Question 6

Meissner's corpuscles detect light touch and Pacinian corpuscles detect vibration.

Accepted Answer

A) True 
 B)False

Question 7

In humans,which of the following is used primarily to detect touch and vibration?

Accepted Answer

A)  Proprioreceptors
B)  Thermoreceptors
C)  Mechanoreceptors
D)  Pain receptors
E)  Chemoreceptors

Question 8

The part of the eye that serves as the opening for light to enter into the eye is the:

Accepted Answer

A)  Cornea
B)  Retina
C)  Pupil
D)  Iris
E)  Lens

Question 9

The part of the eye that regulates the size of the opening for light coming into the eye is the:

Accepted Answer

A)  Cornea
B)  Pupil
C)  Iris
D)  Cone
E)  Lens

Question 10

Volatile chemical substances that elicit specific responses in other members of the same species are referred to as:

Accepted Answer

A)  Hormones
B)  Pheromones
C)  Transposons
D)  Pectines
E)  Spicules

Question 11

In the cochlea,how is sound transmitted into nerve signals that reach the brain?

Accepted Answer

A)  Through proprioreceptors
B)  Through thermoreceptors
C)  Through pain receptors
D)  Through mechanoreceptors
E)  Through chemoreceptors

Question 12

At the snail-shaped _______________,sound is transduced into nerve impulses.

Accepted Answer

A)  Vestibule
B)  Malleus
C)  Utricle
D)  Cochlea
E)  Incus

Question 13

The image on the retina is upside down and backwards in comparison to the actual object being viewed.

Accepted Answer

A) True 
 B)False

Question 14

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Accepted Answer

A)  Cochlea
B)  Eardrum
C)  Oval window
D)  Auditory canal
E)  Auditory nerve

Question 15

When you look at the water,which of the following is being activated?

Accepted Answer

A)  Thermoreceptor
B)  Proprioreceptor
C)  Photoreceptor
D)  Mechanoreceptor
E)  Chemoreceptor

Question 16

In humans,which of the following type of receptor is used to primarily detect airborne or dissolved molecules?

Accepted Answer

A)  Photoreceptor
B)  Chemoreceptor
C)  Proprioreceptor
D)  Electroreceptor
E)  Thermoreceptor

Question 17

You may have noticed that when you have a cold that leads to sinus congestion nothing tastes good.Which of the following is the best explanation for your observation?

Accepted Answer

A)  Olfactory sensation is blocked
B)  Taste sensation is blocked
C)  Equilibrium is blocked
D)  Mechanoreceptors are blocked
E)  Thermoreceptors are blocked

Question 18

In humans,which of the following is used primarily to detect position of limbs and other body parts?

Accepted Answer

A)  Proprioreceptor
B)  Mechanoreceptor
C)  Pain receptor
D)  Chemoreceptor
E)  Electroreceptor

Question 19

In humans,which of the following is used to primarily detect heat?

Accepted Answer

A)  Photoreceptor
B)  Proprioreceptor
C)  Thermoreceptor
D)  Mechanoreceptor
E)  Chemoreceptor

Question 20

When you smell the cookies,which of the following is being activated?

Accepted Answer

A)  Mechanoreceptor
B)  Thermoreceptor
C)  Photoreceptor
D)  Chemoreceptor
E)  Proprioreceptor

Exam 26: The Senses Content

In the cochlea,how is sound transmitted into nerve signals that reach the brain?

Correct AnswerverifiedShow Answer

The image on the retina is upside down and backwards in comparison to the actual object being viewed.

Correct AnswerverifiedShow Answer

A platypus senses its prey not only through touch,but also by sensing electricity.How can the signal be transmitted from the bill to the brain of a platypus?

Correct AnswerverifiedShow Answer

Olfaction is another name for the:

Correct AnswerverifiedShow Answer

You may have noticed that when you have a cold that leads to sinus congestion nothing tastes good.Which of the following is the best explanation for your observation?

Correct AnswerverifiedShow Answer

In conductive deafness,the middle ear fails to move sound to the inner ear.By amplifying sounds in the auditory canal,the hearing aid moves the _______ more than normal,helping the person hear more clearly.

Correct AnswerverifiedShow Answer

figure 26.17 -Based on figure 26.17,you conclude:

Correct AnswerverifiedShow Answer

In humans,which of the following type of receptor is used to primarily detect airborne or dissolved molecules?

Correct AnswerverifiedShow Answer

Meissner's corpuscles detect light touch and Pacinian corpuscles detect vibration.

Correct AnswerverifiedShow Answer

The layer of the wall of the eye that contains blood vessels that supply nutrients to the sheet of photoreceptors at the back of the eye and becomes the iris at the front of the eye is the:

Correct AnswerverifiedShow Answer

The part of the eye that serves as the opening for light to enter into the eye is the:

Correct AnswerverifiedShow Answer

The nerve that conducts impulses to the area of the brain that determines sight is the:

Correct AnswerverifiedShow Answer

The part of the eye that regulates the size of the opening for light coming into the eye is the:

Correct AnswerverifiedShow Answer

At the snail-shaped _______________,sound is transduced into nerve impulses.

Correct AnswerverifiedShow Answer

In humans,which of the following is used primarily to detect touch and vibration?

Correct AnswerverifiedShow Answer

In humans,which of the following is used to primarily detect heat?

Correct AnswerverifiedShow Answer

In humans,which of the following is used primarily to detect position of limbs and other body parts?

Correct AnswerverifiedShow Answer

When you smell the cookies,which of the following is being activated?

Correct AnswerverifiedShow Answer

When you look at the water,which of the following is being activated?

Correct AnswerverifiedShow Answer

Volatile chemical substances that elicit specific responses in other members of the same species are referred to as:

Correct AnswerverifiedShow Answer

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