Question 1

Where would you find the protein crystallin

Accepted Answer

A) In the retina 
B) In the ciliary body 
C) In the choroids 
D) In the lens 
E) In the optic nerve 
A) In the retina 
B) In the ciliary body 
C) In the choroids 
D) In the lens 
E) In the optic nerve

Question 2

Which term best describes receptors that detect stimuli from internal organs

Accepted Answer

A) Interoceptors 
B) Exteroceptors 
C) Proprioceptors 
D) Nociceptors 
E) Thermoreceptors 
A) Interoceptors 
B) Exteroceptors 
C) Proprioceptors 
D) Nociceptors 
E) Thermoreceptors

Question 3

Which photoreceptor cells are more numerous

Accepted Answer

A) Rods 
B) Cones 
A) Rods 
B) Cones

Question 4

The papillae located mainly on the tip and sides of the tongue that contain only a few taste buds each are the _______ papillae.

Accepted Answer

A) papiform 
B) filiform 
C) fungiform 
D) vallate 
E) foliate 
A) papiform 
B) filiform 
C) fungiform 
D) vallate 
E) foliate

Question 5

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 5 indicate

Accepted Answer

A) Free nerve ending 
B) Krause bulb 
C) Lamellated corpuscle 
D) Tactile disc 
E) Root hair plexus 
A) Free nerve ending 
B) Krause bulb 
C) Lamellated corpuscle 
D) Tactile disc 
E) Root hair plexus

Question 6

By definition,transducers

Accepted Answer

A) are electrical devices that do not work with biological systems. 
B) change one form of energy into another form. 
C) transmit signals away from the central nervous system. 
D) transmit signals toward the central nervous 
A) are electrical devices that do not work with biological systems. 
B) change one form of energy into another form. 
C) transmit signals away from the central nervous system. 
D) transmit signals toward the central nervous

Question 7

Which papillae,distributed on the anterior two-thirds of the tongue surface,lack taste buds

Accepted Answer

A) Papiform 
B) Filiform 
C) Fungiform 
D) Vallate 
E) Foliate 
A) Papiform 
B) Filiform 
C) Fungiform 
D) Vallate 
E) Foliate

Question 8

What part of the retina is responsible for the sharpest vision

Accepted Answer

A) Optic disc 
B) Ora serrata 
C) Fovea centralis 
D) Posterior retina 
E) All of the choices are correct. 
A) Optic disc 
B) Ora serrata 
C) Fovea centralis 
D) Posterior retina 
E) All of the choices are correct.

Question 9

There are three types of unencapsulated tactile receptors.Select the exception.

Accepted Answer

A) Free nerve endings 
B) Sebaceous filaments 
C) Root hair plexuses 
D) Tactile discs 
A) Free nerve endings 
B) Sebaceous filaments 
C) Root hair plexuses 
D) Tactile discs

Question 10

-In this diagram of a taste bud,what structures does number 3 indicate

Accepted Answer

A) Gustatory microvilli 
B) Basal cells 
C) Supporting cells 
D) Sensory nerves 
E) Taste pores 
A) Gustatory microvilli 
B) Basal cells 
C) Supporting cells 
D) Sensory nerves 
E) Taste pores

Question 11

Gustatory receptors are classified as mechanoreceptors because food molecules must be dissolved in saliva before they can be tasted.PS

Accepted Answer

A) True 
 B)False

Question 12

Which structure is not considered to be part of the membranous labyrinth

Accepted Answer

A) Scala vestibuli 
B) Semicircular duct 
C) Saccule 
D) Cochlear duct 
E) Utricle 
A) Scala vestibuli 
B) Semicircular duct 
C) Saccule 
D) Cochlear duct 
E) Utricle

Question 13

A flattened lens

Accepted Answer

A) is necessary for near vision. 
B) is necessary for distant vision. 
C) is necessary for both near and far vision. 
D) functions only with color vision. 
E) reflects light rays. 
A) is necessary for near vision. 
B) is necessary for distant vision. 
C) is necessary for both near and far vision. 
D) functions only with color vision. 
E) reflects light rays.

Question 14

If the receptive fields of the skin's receptors were smaller,then

Accepted Answer

A) precision would be greater,and we would not need as many receptors to monitor the environment for stimuli. 
B) precision would be greater,but we would need more receptors to monitor the environment for stimuli. 
C) precision would be lessened,and we would need more receptors to monitor the environment for stimuli. 
D) precision would be lessened,but we would not need as many receptors to monitor the environment for stimuli. 
A) precision would be greater,and we would not need as many receptors to monitor the environment for stimuli. 
B) precision would be greater,but we would need more receptors to monitor the environment for stimuli. 
C) precision would be lessened,and we would need more receptors to monitor the environment for stimuli. 
D) precision would be lessened,but we would not need as many receptors to monitor the environment for stimuli.

Question 15

After being funneled by the auricle,sound waves pass (in sequence)through the

Accepted Answer

A) external acoustic meatus,tympanic membrane,ossicles,and oval window. 
B) external acoustic meatus,oval window,ossicles,and cochlea. 
C) external acoustic meatus,tympanic membrane,internal acoustic meatus,and oval window. 
D) internal acoustic meatus,tympanic membrane,oval window,and ossicles. 
E) internal acoustic meatus,tympanic membrane,ossicles,and round window. 
A) external acoustic meatus,tympanic membrane,ossicles,and oval window. 
B) external acoustic meatus,oval window,ossicles,and cochlea. 
C) external acoustic meatus,tympanic membrane,internal acoustic meatus,and oval window. 
D) internal acoustic meatus,tympanic membrane,oval window,and ossicles. 
E) internal acoustic meatus,tympanic membrane,ossicles,and round window.

Question 16

Certain odors can initiate behavioral and emotional reactions because

Accepted Answer

A) the olfactory pathway is connected directly to the medulla oblongata. 
B) there are widespread olfactory associations within the hypothalamus and limbic system. 
C) olfactory sensations are interpreted at the prefrontal cortex. 
D) the olfactory pathway is connected directly to the occipital lobe. 
E) the sense of olfaction occurs immediately at the olfactory epithelium. 
A) the olfactory pathway is connected directly to the medulla oblongata. 
B) there are widespread olfactory associations within the hypothalamus and limbic system. 
C) olfactory sensations are interpreted at the prefrontal cortex. 
D) the olfactory pathway is connected directly to the occipital lobe. 
E) the sense of olfaction occurs immediately at the olfactory epithelium.

Question 17

Contrast the visual deficits that would result from someone having a mutation in the gene for rhodopsin versus a mutation in one of the genes for a photopsin.

Accepted Answer

A MUTATION TO RHODOPSIN GENE WOULD INFLU

Question 18

The structure that functions as a diaphragm to control pupil size is the

Accepted Answer

A) ora serrata. 
B) suspensory ligament. 
C) iris. 
D) cornea. 
E) anterior chamber. 
A) ora serrata. 
B) suspensory ligament. 
C) iris. 
D) cornea. 
E) anterior chamber.

Question 19

What is the correct order for structures in the nervous system pathway for hearing
A: Axons project to the auditory cortex.
B: Axons project to inferior colliculi.
C: Axons project to the cochlear nucleus in the brainstem.
D: Axons project to the medial geniculate nucleus of the thalamus.
E: Impulse travels in cochlear nerve sensory fibers.

Accepted Answer

A) e,c,b,d,a 
B) b,c,d,e,a 
C) c,b,a,d,e 
D) e,d,c,a,b 
E) a,b,e,c,d 
A) e,c,b,d,a 
B) b,c,d,e,a 
C) c,b,a,d,e 
D) e,d,c,a,b 
E) a,b,e,c,d

Question 20

After causing vibrations of the maleus,sound waves pass (in sequence)through the

Accepted Answer

A) stapes,round window,scala externa perilymph,scala media endolymph,and oval window. 
B) incus,stapes,oval window,scala vestibuli perilymph,and cochlear duct endolymph. 
C) oval window,scala tympani perilymph,scala vestibuli endolymph,and spiral organ. 
D) incus,stapes,oval window,scala tympani endolymph,scala vestibuli,and helicotrema. 
E) stapes,incus,round window,scala media perilymph,and scala vestibuli endolymph. 
A) stapes,round window,scala externa perilymph,scala media endolymph,and oval window. 
B) incus,stapes,oval window,scala vestibuli perilymph,and cochlear duct endolymph. 
C) oval window,scala tympani perilymph,scala vestibuli endolymph,and spiral organ. 
D) incus,stapes,oval window,scala tympani endolymph,scala vestibuli,and helicotrema. 
E) stapes,incus,round window,scala media perilymph,and scala vestibuli endolymph.

Exam 16: Nervous System: Senses

Where would you find the protein crystallin

Which term best describes receptors that detect stimuli from internal organs

Which photoreceptor cells are more numerous

The papillae located mainly on the tip and sides of the tongue that contain only a few taste buds each are the _______ papillae.

-This cross section of skin shows general cutaneous receptors.What kind of receptor does number 5 indicate

By definition,transducers

Which papillae,distributed on the anterior two-thirds of the tongue surface,lack taste buds

What part of the retina is responsible for the sharpest vision

There are three types of unencapsulated tactile receptors.Select the exception.

-In this diagram of a taste bud,what structures does number 3 indicate

Gustatory receptors are classified as mechanoreceptors because food molecules must be dissolved in saliva before they can be tasted.PS

Which structure is not considered to be part of the membranous labyrinth

A flattened lens

If the receptive fields of the skin's receptors were smaller,then

After being funneled by the auricle,sound waves pass (in sequence)through the

Certain odors can initiate behavioral and emotional reactions because

Contrast the visual deficits that would result from someone having a mutation in the gene for rhodopsin versus a mutation in one of the genes for a photopsin.

The structure that functions as a diaphragm to control pupil size is the

After causing vibrations of the maleus,sound waves pass (in sequence)through the

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