A&P Ch. 12 Assignment
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Which word root means to hear? Multiple choice question. malle- aud- typmpan- cochlea | aud-
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| Where are sensory receptors for the general senses found? Multiple choice question. throughout the body in specialized structures in the head within the skin | throughout the body
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| The classification of sensory receptors as photoreceptors, thermoreceptors, etc., is based on what characteristic of the receptors? Multiple choice question. Abundance of the particular type of receptor Location of receptors in the body Stimulus type that causes a response | Stimulus type that causes a response
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| Information received by sensory cells is conveyed to the central nervous system in the form of impulses along afferent fibers. In order for this to happen when the receptor cell is not a neuron, its receptor potential ______. Multiple choice question. must exceed the threshold potential must remain established for a relatively long period of time must be transferred to a neuron | must be transferred to a neuron
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| The interpretation by the brain of incoming sensory impulses is called _______ | perception
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| What is the term for the ability of the brain to prioritize the sensory input it receives and to ignore unimportant stimuli? Multiple choice question. projection perception adaptation sensation | adaptation
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| The _______ senses rely on receptors distributed throughout the body (for example in skin and muscles), while the _______ senses rely on specialized receptors found in structures in the head. | Field 1: general
Field 2: special
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| Match each class of receptor with its type of stimulus. Nociceptors Photoreceptors Chemoreceptors Thermoreceptors Mechanoreceptors | Nociceptors -
Tissue damage
Photoreceptors -
Light energy
Chemoreceptors -
Specific molecules
Thermoreceptors -
Heat or cold
Mechanoreceptors -
Pressure and movement
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| Select all that apply Choose all true statements about the sensory receptors responsible for the general senses. They are found in specific locations in the body only. They are all mechanoreceptors. They are found throughout the skin. They are associated with the viscera. They are widespread in the body. | They are found throughout the skin.
They are associated with the viscera.
They are widespread in the body.
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| For all receptors, stimulation of a receptor results in a change in ______. Multiple choice question. the membrane potential the shape of the receptor the state of the receptor from active to inactive gene expression | the membrane potential
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| Free nerve endings, tactile corpuscles, and lamellated corpuscles are types of ______ receptors. Multiple choice question. thermo pain photo touch | touch
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| Which of the following receptors does not trigger a sensation? Multiple choice question. photoreceptors in the eye mechanoreceptors in the ear that detect sound waves receptors that measure oxygen levels in the blood | receptors that measure oxygen levels in the blood
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| The ability of the nervous system to become less responsive to a maintained stimulus is called sensory ______ | adaptation
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| The thermoreceptors in the skin are classified as _______ receptors and ________ receptors. | Field 1: warm, hot, or heat
Field 2: cold
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| Where are sensory receptors for the general senses found? Multiple choice question. within the skin in specialized structures in the head throughout the body | throughout the body
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| Pain receptors are widely distributed throughout the body, but they are not found in the: Multiple choice question. internal tissues. skin. brain. | brain.
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| Which three of the following regions are associated with receptors for the general senses? Multiple select question. viscera muscles eyes inner ears joints | viscera
muscles
joints
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| Choose two types of receptors that sense touch and pressure. Multiple select question. visceral receptors free nerve endings lamellated (Pacinian) corpuscles proprioceptive receptors | free nerve endings
lamellated (Pacinian) corpuscles
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| The central nervous system receives information about body position and the length and tension of skeletal muscles from mechanoreceptors called | proprioceptors
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| The interpretation by the brain of incoming sensory impulses is called | perception
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| The senses that are classified as the _______ senses include the senses of smell, taste, hearing, equilibrium, and sight. | special
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| Name the two types of thermoreceptors. Multiple select question. warm neutral hot cold | warm
cold
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| List three characteristics of pain receptors. Multiple select question. they are baroreceptors they are sensitive to tissue damage they are nociceptors they are lacking in the brain they are also called proprioceptors | they are sensitive to tissue damage
they are nociceptors
they are lacking in the brain
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| How are olfactory receptors similar to those for taste? Multiple choice question. Chemicals are sensed as they pass by in the inhaled air. Chemicals must be dissolved in liquid to be detected. | Chemicals must be dissolved in liquid to be detected.
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| Receptors for the general senses are very localized, and found in the skin only. True false question. True False | F
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| The specialized organs responsible for gustation are called _______ ________ | Field 1: taste
Field 2: buds or bud
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| The group of mechanoreceptors called ______ are responsible for informing the CNS about body position and length/tension of skeletal muscles. Multiple choice question. nociceptors proprioceptors thermoreceptors free nerve endings | proprioceptors
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| The three sections of the ear are _______ ear, _______ ear, and _______ ear. | Field 1: external or outer
Field 2: middle
Field 3: inner or internal
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| The special senses include ________, __________, hearing and equilibrium, and sight. | Field 1: smell, olfaction, or smelling
Field 2: taste, gustation, or tasting
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| The tympanic membrane is also called the _______ (a non-anatomical term). | Field 1: eardrum or ear drum
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| The thermoreceptors in the skin are classified as __________ receptors and ______ receptors. | Field 1: warm, hot, or heat
Field 2: cold
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| Olfactory receptors are a type of receptor called ______ that sense ______. Multiple choice question. chemoreceptors; chemicals dissolved in liquid mechanoreceptors; distortion of its cell membrane proprioceptors; limb and joint position nociceptors; tissue damage | chemoreceptors; chemicals dissolved in liquid
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| Which structure of the outer ear vibrates back and forth, transferring the sound wave vibrations to the middle ear? Multiple choice question. the oval window the tympanic membrane the meatus the pinna | the tympanic membrane
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| Taste __________ serve as the organs of taste. | Field 1: buds or bud
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| Which of the following are housed in the middle ear? Multiple choice question. the auditory ossicles the tympanic membrane the auricle the cochlea | the auditory ossicles
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| Select all that apply The ear is divided into which three sections? tympanic ear outer ear inner ear middle ear auditory ear | outer ear
inner ear
middle ear
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| Place the auditory ossicles in the order that they transfer vibrations from the tympanic membrane to the inner ear, starting at the top. incus stapes malleus | malleus
incus
stapes
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| List three components of the outer ear. Multiple select question. semicircular canals auditory ossicles tympanic membrane auricle external acoustic meatus | tympanic membrane
auricle
external acoustic meatus
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| The sense of __________ equilibrium maintains the stability of the head and body when they are motionless. The sense of _______ equilibrium balances the head and the body when they are suddenly moved or rotated. | Field 1: static
Field 2: dynamic
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| The extrinsic eye muscles are considered accessory organs of the eye. T/F | T
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| What happens to the tympanic membrane when sound waves pass down the external acoustic meatus? Multiple choice question. The tympanic membrane stops the progression of sound waves due to its stiffness. The tympanic membrane thickens. The tympanic membrane vibrates. The tympanic membrane does not change its status. | The tympanic membrane vibrates.
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| What is the cornea? Multiple choice question. The white of the eye. The transparent structure that is anchored in place by the ciliary body. The pigmented portion of the middle (vascular) layer of the eye. The transparent part of the outer (fibrous) layer of the eye. | The transparent part of the outer (fibrous) layer of the eye.
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| The _______ ear, also called the tympanic cavity, is an air-filled space that houses the three auditory ossicles. | Field 1: middle
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| The vascular tunic of the eye includes the _________ coat, the ___________ body, and the iris. | Field 1: choroid
Field 2: ciliary
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| The malleus, incus, and stapes are the three small bones known as the auditory | Field 1: ossicles or ossicle
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| The retina is continuous with the __________ nerve in the back of the eye. It extends forward as the lining the inner surface of the eyeball ending at the __________ body. | Field 1: optic
Field 2: ciliary
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| The feeling of balance is the product of two senses: ___________ equilibrium and ___________ equilibrium. | static equilibrium and dynamic equilibrium.
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| Which three groups of cells in the retina provide a direct pathway for impulses triggered at the photoreceptors to the optic nerve? Multiple select question. ganglion cells bipolar neurons horizontal cells photoreceptors amacrine cells | ganglion cells
bipolar neurons
photoreceptors
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| Which three of the following are classified as accessory organs of the eye? Multiple select question. extrinsic muscles eyelids ciliary body optic nerve lacrimal apparatus lens | extrinsic muscles
eyelids
lacrimal apparatus
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| The optic nerve, as well as the central artery and vein that supply the eye with blood, exit the eye through the optic ________ | disc
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| What type of sensory receptors are abundant in the cornea? Multiple select question. touch receptors cold receptors pain receptors heat receptors | cold receptors
pain receptors
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| Choose the three components of the middle layer (tunic) of the eye. Multiple select question. choroid coat optic nerve ciliary body sclera iris | choroid coat
ciliary body
iris
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| After light passes through the lens, it goes through the ______ before hitting the retina. Multiple choice question. aqueous humor pupil choroid vitreous body | vitreous body
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| The visual receptor cells are located in the ______. Multiple choice question. retina sclera iris pupil | retina
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| As a person ages, they usually have more difficulty hearing ______. Multiple choice question. low pitches vowels high pitches loud sounds | high pitches
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| The five major groups of neurons in the retina are the photoreceptors, the bipolar neurons, the ________ cells, the horizontal cells, and the __________ cells. | Field 1: ganglion
Field 2: amacrine
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| Which of the following statements accurately describes the optic disc? Multiple choice question. It is the area of the retina with the highest visual acuity. It is the transparent area on the anterior surface of the eye. It is the area of the retina lacking photoreceptors. It is the yellowish spot on the retina. | It is the area of the retina lacking photoreceptors.
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| Click and drag on elements in order Place in order the structures that light passes through as it enters the eye, starting at the top. Aqueous humor Vitreous body Cornea Retina Lens | Cornea
Aqueous humor
Lens
Vitreous body
Retina
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| The degeneration or failure of hearing neural pathways to the brain which can occur with aging is called _________ , while the condition of hearing a ringing or roaring in the ears is called ________ | Field 1: presbycusis
Field 2: tinnitus
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| Which two groups of neurons in the retina allow information to pass laterally between retinal cells, thereby modifying the pattern of impulses conducted on the fibers of the direct pathway? Multiple select question. horizontal cells cones bipolar neurons amacrine cells rods | horizontal cells
amacrine cells
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| The optic nerve, as well as the central artery and vein that supply the eye with blood, exit the eye through the optic | Field 1: disc
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