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Multiple Choice Quiz
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1
Sounds are detected by _____- receptors.
A)chemo
B)thermo
C)mechano
D)photo
2
A nociceptor is a type of _____- receptor.
A)mechano
B)photo
C)chemo
D)pain
3
Pressoreceptors respond to changes in stimuli such as _____.
A)pressure around the arms
B)pressure within a vessel
C)intensity of light variations
D)increases in sound levels
4
Sensory adaptation occurs when stimuli become _____.
A)gradually ignored
B)increased in intensity
C)lessened in intensity
D)forgotten
5
Stimulation of a _____usually results in pain.
A)Meissner corpuscle
B)Pacinian corpuscle
C)visceroceptor
D)free nerve ending
6
Light skin touch is sensed by _____ receptors.
A)Pacinian
B)Meissner
C)free nerve endings
D)nociceptor
7
At a temperature of 50 degrees C, the most likely perception of a skin sensation is one of _____.
A)cold
B)heat
C)pain
D)freezing
8
The following are usual causes of pain except which one?
A)kinins
B)hypoxia
C)ischemia
D)polypeptides
9
Of the following, which can least likely undergo adaptation?
A)thermoreceptors
B)mechanoreceptors
C)photoreceptors
D)pain receptors
10
Which of the following is not likely to cause a headache?
A)school stress
B)high blood pressure
C)a full stomach
D)food flavorings such as MSG
11
Pain in the left arm caused by lack of blood to the heart is a type of _____ pain.
A)imaginary
B)psychological
C)referred
D)generalized
12
The best explanation for referred pain is that the nerves that are responsible are _____.
A)shared between visceral and somatic pathways
B)somehow confused within the brain
C)over-stimulated
D)under-stimulated
13
Pain originating in the parietal pericardium is _____ by the brain.
A)ignored
B)referred
C)usually intensified
D)felt directly
14
Which does not belong with the other items?
A)chronic pain
B)acute pain
C)A fibers
D)spinothalamic tract
15
An analgesic is a drug which usually _____ pain impulses.
A)increases
B)decreases
C)has no effect on
D)decreases the threshold for
16
The _____of the brain seems to give one a crude awareness of pain.
A)cerebral cortex
B)hypothalamus
C)thalamus
D)hippocampus
17
Which of the following cannot block pain in the brain?
A)endorphin
B)enkephalin
C)acetylcholine
D)serotonin
18
The movements in breathing can be detected by the _____ in the tendons of the thorax.
A)spindles
B)Golgi organs
C)Golgi bodies
D)free nerve endings
19
A stretch reflex occurs when the intrafusal fibers of a _____ are stimulated.
A)muscle spindle
B)muscle fiber
C)Golgi tendon organ
D)motor unit
20
The _____ are the actual areas that respond to chemical stimulations for the sense of smell.
A)olfactory lobes
B)olfactory mucous membrane cells
C)cilia on olfactory cells
D)olfactory organs
21
The olfactory receptor cells are examples of _____ neurons.
A)sensory
B)multipolar
C)association
D)bipolar
22
Which area allows one to perceive the aroma of a pizza?
A)olfactory bulb
B)olfactory lobe
C)olfactory cortex
D)olfactory tracts
23
Which sense is most likely to adapt rapidly?
A)taste
B)smell
C)hearing
D)vision
24
A person aged 21 will probably lose _____ of their smell at 22.
A)none
B)50%
C)1%
D)5%
25
The visible elevations on the tongue that contain the receptors for taste are the _____.
A)taste buds
B)taste pores
C)papillae
D)gustatory cells
26
Which of the following could be detected on the back of the tongue?
A)sweet
B)sour
C)salty
D)bitter
27
Which of these does not belong with the rest?
A)strychnine
B)nicotine
C)alkaline
D)alkaloid
28
The nerves that convey taste sensations, are the following except which one?
A)VII
B)VIII
C)IX
D)vagus
29
The gustatory cortex is located within the _____lobe.
A)temporal
B)parietal
C)occipital
D)frontal
30
Which of these does not belong with the others?
A)pinna
B)external ear
C)ceruminous glands
D)malleus
31
The purpose of the auricle is to _____sound waves.
A)dampen
B)increase the intensity of
C)act as a collector of
D)vibrate in response to
32
The first structure to vibrate in response to sounds is _____.
A)auricle
B)malleus
C)organ of Corti
D)tympanic membrane
33
The following belong together except which one?
A)incus
B)tympanic cavity
C)middle ear
D)cochlear duct
34
The purpose of the ossicles is to _____ the incoming vibrations.
A)lessen the intensity of
B)increase the force of
C)change the wavelength of
D)move with
35
The stapes sends its vibrations to the _____.
A)incus
B)tympanic membrane
C)oval window
D)round window
36
Which of these does not belong with the others?
A)tympanic reflex
B)stapedius
C)increase sound
D)decrease sound
37
The auditory tube acts to equalize pressure between the middle ear and _____.
A)throat
B)inner ear
C)outer ear
D)cochlea
38
The term labyrinth refers to the appearance of the _____.
A)outer ear
B)inner ear
C)middle ear
D)vestibule
39
The membranous labyrinth contains _____fluid.
A)cerebrospinal
B)plasma
C)endolymph
D)perilymph
40
The portion of the inner ear that detects sounds, is the _____.
A)semicircular canals
B)osseous labyrinth
C)vestibule
D)cochlea
41
Reissner's membrane separates the cochlear duct from the _____.
A)round window
B)scala vestibuli
C)scala tympani
D)basilar membrane
42
Vibrations from the _____ reach the scala vestibuli first.
A)round window
B)scala tympani
C)oval window
D)cochlear duct
43
The cells that convert vibrations into neurological impulses are the _____ cells.
A)hair
B)otolith
C)basilar membrane
D)crista acoustica
44
The connection between the cochlear hair cells and the VIII cranial nerve are made by _____.
A)direct contact
B)release of neurotransmitter
C)the axons in contact
D)the dendrites in contact
45
The intensity of sounds is measured in units of _____.
A)mv
B)amperes
C)daltons
D)dB
46
The auditory perception center is located within the _____.
A)medial geniculate body of thalamus
B)midbrain
C)temporal lobe
D)medulla oblongata
47
Which type of deafness can be treated by a cochlear implant?
A)presbycusis
B)conductive
C)sensorineural
D)otosclerosis
48
The following belong together except which one?
A)dynamic equilibrium
B)vestibule
C)static equilibrium
D)utricle
49
The maculae can be found in the _____.
A)cochlear duct
B)saccule
C)semicircular canals
D)semicircular ducts
50
Stimulation of the crista ampullaris results in _____.
A)deafness
B)loud sounds
C)feeling of motion
D)a sense of body position
51
The term for eyelid is _____.
A)conjunctiva
B)sclera
C)levator palpebrae
D)palpebra
52
Tears drain into the openings of the _____.
A)puncta
B)lacrimal sac
C)canaliculi
D)nasolacrimal duct
53
Movement of the eyeball is effected by muscles innervated mainly by the _____nerve.
A)VI
B)IV
C)oculomotor
D)vagus
54
The outer covering of the eye is called the _____.
A)vascular tunic
B)conjunctiva
C)sclera
D)choroid layer
55
The suspensory ligaments attach to the _____.
A)lens
B)sclera
C)canal of Schlemm
D)iris
56
The process of adjusting vision from a near to a distant object is called _____.
A)adaptation
B)accommodation
C)amblyopia
D)cataracts
57
An increase in aqueous fluid pressure is a symptom of _____.
A)cataract
B)migraine
C)glaucoma
D)hyperopia
58
Which of the following is the first to come into contact with light?
A)rods
B)bipolar neurons
C)cones
D)ganglion cells
59
The point of sharpest retinal vision is called the _____.
A)fovea centralis
B)macula lutea
C)vitreous body
D)optic disk
60
Which of the following is decomposed under light?
A)vitamin A
B)retinene
C)rhodopsin
D)iodopsin







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