Unit 6 Quiz

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Most auditory information is sent to which hemisphere of the brain? a. The left hemisphere b. The ipsilateral side c. The contralateral side d. It depends on whether the individual is dominant for audition in the right or the left hemisphere

WRONG: a. The left hemisphere

What kind of receptors detect pain, warmth, and cold? a. Somatosensory b. Vestibular c. Semicircular d. Cranial

a. Somatosensory

Each spinal nerve has _____. a. both a sensory and a motor component b. either a sensory or a motor component c. connections to most parts of the body d. connections to each of the major internal organs

a. both a sensory and a motor component

Ruffini's endings are _____. a. elaborate neuron endings for touch b. simple, bare neuron endings c. bare endings surrounded by non-neural cells d. important components of the blood

a. elaborate neuron endings for touch

Along each strip of somatosensory cortex, different subareas respond to _____. a. different types of receptors b. different areas of the body c. different types of transmitters d. different parts of the cortex

b. different areas of the body

Gary has conductive deafness as a result of _____ damage. a. hair cell b. middle ear c. cochlear d. nerve

b. middle ear

Morphine and other opiate drugs decrease sensitivity to pain by _____. a. depleting substance P from parts of the nervous system b. mimicking the effects of endorphins at the synapses c. altering blood flow to various parts of the nervous system d. preventing sodium from crossing the membrane

b. mimicking the effects of endorphins at the synapses

Chemicals that prevent sodium from crossing the membrane _____. a. do not affect taste b. reduce the intensity of salty tastes c. intensify the salty taste d. cause an increase in sensitivity to other primary tastes

b. reduce the intensity of salty tastes

Taste perception in the brain depends on _____. a. the angular gyrus b. relative activity of different taste neurons c. only taste receptors on the anterior part of the tongue d. absolute frequency of action potentials

b. relative activity of different taste neurons

The somatosensory system involves sensation of _____. a. sound and touch b. the body and its movements c. the head and movements of the eyes d. sight and sound

b. the body and its movements

When mechanical pressure bends the membrane of a Pacinian corpuscle, _____. a. there is a sustained, long-term response to this pressure b. the membrane's resistance to the flow of sodium ions decreases c. the membrane becomes hyperpolarized d. the membrane's resistance to the flow of sodium ions increases

b. the membrane's resistance to the flow of sodium ions decreases

How many kinds of olfactory receptors do we have? a. Two or three b. Twenty c. Hundreds d. Seven

c. Hundreds

The vomeronasal organ (VNO) is a set of receptors located _____. a. in the throat b. behind the cerebral ventricles c. near, but separate from, the olfactory receptors d. in the inner ear

c. near, but separate from, the olfactory receptors

Rosalinda has had damage to A1, and now she has _____. a. amusia b. an inability to hear high pitched sounds c. problems detecting the source of a sound that is moving d. complete deafness

c. problems detecting the source of a sound that is moving

Shelton was given morphine because he was experiencing ______. a. pain in the interior of the body b. sharp pain c. slow, dull pain d. pain on the skin

c. slow, dull pain

An acceleration of the head at any angle causes _____. a. the jelly-like substance in one of the semicircular canals to move to another canal b. hair cells to become stiff and straight c. the jelly-like substance in one of the semicircular canals to push against hair cells d. fluid to spill out from the otolith organs into the semicircular canals

c. the jelly-like substance in one of the semicircular canals to push against hair cells

_____ have almost no taste receptors since they swallow their food whole. a. Dogs b. Rats c. Cats d. Dolphins

d. Dolphins

Zenia took ibuprofen to relieve her pain. The drug will work by _____. a. dulling the pain information b. numbing the damaged tissue c. blocking synapses d. reducing the release of chemicals from damaged tissues

d. reducing the release of chemicals from damaged tissues

Timing differences can be used most accurately for localizing _____. a. bird alarm calls b. gradual-onset sounds c. loud sounds d. sudden-onset sounds

d. sudden-onset sounds

Chester told his doctor that "the taste of chicken is green." He will likely be diagnosed with _____. a. MT damage b. amusia c. tinnitus d. synesthesia

d. synesthesia


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