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| 1 | |
Sensory information of which a person becomes consciously aware is called |
| | A) | a reflex |
| | B) | a stimulus |
| | C) | a sensation |
| | D) | an impulse |
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| 2 | |
A structure that detects stimuli is known specifically as a |
| | A) | sensory neuron |
| | B) | receptor |
| | C) | receptive field |
| | D) | transducer |
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| 3 | |
All sensory receptors act as ____________, converting various types of stimuli into ____________. |
| | A) | tonic receptors; continuous feedback |
| | B) | nociceptors; perceived pain |
| | C) | receptive fields; perceptions |
| | D) | transducers; nerve impulses |
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| 4 | |
Which set includes only general senses? |
| | A) | temperature, pain, touch, stretch, and pressure |
| | B) | pain, pressure, balance, taste, and smell |
| | C) | vision, hearing, balance, smell, and taste |
| | D) | equilibrium, vibration, hearing, touch, and vision |
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| 5 | |
Which set includes only special senses? |
| | A) | equilibrium, vision, gustation, touch, and audition |
| | B) | touch, gustation, audition, temperature, and olfaction |
| | C) | gustation, olfaction, vision, equilibrium, and audition |
| | D) | audition, equilibrium, vision, touch, and pressure |
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| 6 | |
The least complex of the tactile receptors, called free nerve endings, are |
| | A) | telodendria of axons |
| | B) | cell bodies of sensory neurons |
| | C) | encapsulated tactile receptors |
| | D) | terminal branches of dendrites |
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| 7 | |
Sensory receptors that act continuously are classified as |
| | A) | exteroceptors |
| | B) | interoceptors |
| | C) | phasic receptors |
| | D) | tonic receptors |
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| 8 | |
When a phasic receptor undergoes a reduction in sensitivity to a continually applied stimulus, this change is called |
| | A) | dysphasia |
| | B) | adaptation |
| | C) | areflexia |
| | D) | phasic exhaustion |
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| 9 | |
Which of the following does not correctly pair a receptor with a stimulus that it detects? |
| | A) | Krause bulb, deep pressure |
| | B) | free nerve ending, tissue damage |
| | C) | tactile disc, texture |
| | D) | Ruffini corpuscle, skin distortion |
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| 10 | |
The types of papillae on the dorsal surface of the tongue include |
| | A) | sweet, sour, and salty |
| | B) | taste buds, taste pores, and taste hairs |
| | C) | filiform, fungiform, vallate, and foliate |
| | D) | all of the above |
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| 11 | |
Gustatory information from the tongue is conducted by which cranial nerves? |
| | A) | facial and hypoglossal |
| | B) | facial and glossopharyngeal |
| | C) | trigeminal and hypoglossal |
| | D) | trigeminal and vagus |
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| 12 | |
The chemical sense of smell is provided by paired ____________ within the nasal cavity. |
| | A) | olfactory organs |
| | B) | sensory hair cells |
| | C) | olfactory bulbs |
| | D) | all of the above |
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| 13 | |
Olfactory receptors are located on |
| | A) | olfactory hairs |
| | B) | cell bodies of olfactory receptor cells |
| | C) | basal cells of the olfactory epithelium |
| | D) | olfactory bulbs |
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| 14 | |
Which of the following is not one of the three layers, or tunics, of the eye? |
| | A) | fibrous |
| | B) | vascular |
| | C) | conjunctiva |
| | D) | neural |
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| 15 | |
Functions of the fibrous tunic of the eye include |
| | A) | helping focus light on the retina |
| | B) | protecting and maintaining the shape of the eye |
| | C) | providing the attachment site for the extrinsic eye muscles |
| | D) | all of the above |
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| 16 | |
The vascular tunic of the eye wall has which of the following regions? |
| | A) | choroid, ciliary body, and iris |
| | B) | cornea, sclera, and limbus |
| | C) | fovea, macula, and optic disc |
| | D) | lens, vitreous body, and retina |
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| 17 | |
Two layers of smooth muscle in the ____________ allow it to control the diameter of the ____________. |
| | A) | ciliary body; lens |
| | B) | iris; pupil |
| | C) | both of the above |
| | D) | neither a nor b |
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| 18 | |
What types of photoreceptor cells are found in the retina? |
| | A) | amacrine and horizontal cells |
| | B) | ganglion and bipolar cells |
| | C) | rods and cones |
| | D) | all of the above |
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| 19 | |
Within the thalamus, visual information is processed specifically in the |
| | A) | optic chiasm |
| | B) | lateral geniculate nuclei |
| | C) | superior colliculi |
| | D) | tectal system |
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| 20 | |
At rest, tension in the suspensory ligaments of the lens |
| | A) | is less than that in the elastic capsule of the lens |
| | B) | flattens the lens, focusing the eye for distant vision |
| | C) | pulls the lens into a rounded shape, allowing close focus |
| | D) | none of the above |
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| 21 | |
Which brain region interprets incoming visual stimuli at a conscious level? |
| | A) | cerebellar cortex |
| | B) | primary sensory cortex of the cerebrum |
| | C) | lateral geniculate nuclei |
| | D) | visual cortex of the occipital lobe |
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| 22 | |
Movements of fluid within the ____________ result in the sensations of both hearing and equilibrium. |
| | A) | external ear |
| | B) | middle ear |
| | C) | inner ear |
| | D) | squamous part of the temporal bone |
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| 23 | |
Collectively, the vestibule and semicircular canals compose an area called the |
| | A) | vestibular complex |
| | B) | inner ear |
| | C) | organ of Corti |
| | D) | membranous labyrinth |
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| 24 | |
Which of the following is not a subdivision of the bony labyrinth? |
| | A) | semicircular canals |
| | B) | scala media |
| | C) | cochlea |
| | D) | vestibule |
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| 25 | |
Which structures of the inner ear house the maculae? |
| | A) | saccule and ampulla |
| | B) | utricle and semicircular canals |
| | C) | semicircular canals and ampulla |
| | D) | saccule and utricle |
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| 26 | |
Which selection correctly pairs a stimulus with the location of its receptors? |
| | A) | gravity, crista ampullaris |
| | B) | linear acceleration, spiral organ |
| | C) | rotation of the head, cupula |
| | D) | sound waves, scala tympani |
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| 27 | |
All of the following characterize the tympanic membrane except |
| | A) | forms a partition between the external and middle ear |
| | B) | is a tough, flat sheet of fibrous connective tissue |
| | C) | vibrates when struck by incoming sound waves |
| | D) | transmits sound wave energy into the middle and inner ear |
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| 28 | |
Housed within the tympanic cavity, the three auditory ossicles are the |
| | A) | malleus, incus, and stapes |
| | B) | utricle, saccule, and ampulla |
| | C) | macula, vestibule, and cochlea |
| | D) | scala tympani, scala media, and helicotrema |
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| 29 | |
The two openings in the bony wall between the inner and middle ear are the |
| | A) | superior and inferior fenestrae |
| | B) | oval window and round window |
| | C) | cochlear canal and semicircular foramen |
| | D) | internal and external apertures of the auditory tube |
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| 30 | |
Within the cochlea, the receptors known as hair cells are components of the |
| | A) | ampulla |
| | B) | macula |
| | C) | spiral organ |
| | D) | tectorial membrane |
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