BIO.CH.17.QUIZ - Question 1 5 out of 5 points The first...

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Unformatted text preview: Question 1 5 out of 5 points The first step in olfactory reception occurs on the surface of the: Answer Selected Answer: olfactory cilia Correct Answer: olfactory cilia Question 2 0 out of 5 points The ultimate destination(s) for interpreting the sense of smell is (are) the: Answer Selected Answer: Correct Answer: [None Given] a, b, and c are correct Question 3 5 out of 5 points The factor that ensures that you quickly lose awareness of a new smell but retain sensitivity to others is called: Answer Selected Answer: central adaptation Correct Answer: central adaptation h Question 4 0 out of 5 points The CNS interprets smell on the basis of the particular pattern of: Answer Selected Answer: [None Given] Correct Answer: receptor activity i Question 5 0 out of 5 points Even though acuity varies widely, human olfactory organs can discriminate among many smells based on the: Answer Selected Answer: Correct Answer: [None Given] nature of the odorant i Question 6 5 out of 5 points The three different types of papillae on the human tongue are: Answer Selected Answer: filiform, fungiform, circumvallate Correct Answer: filiform, fungiform, circumvallate Question 7 5 out of 5 points The function of the vitreous body in the eye is to: Answer Selected Answer: stabilize the shape of the eye and support the retina Correct Answer: stabilize the shape of the eye and support the retina Question 8 0 out of 5 points After synapsing in the thalamus, gustatory information is projected to the appropriate portion of the: Answer Selected Answer: Correct Answer: [None Given] primary sensory cortex z Question 9 5 out of 5 points Gustatory reception begins when dissolved chemicals contacting the taste hairs bind to receptor proteins of the: Answer Selected Answer: gustatory cell Correct Answer: gustatory cell z Question 10 5 out of 5 points Protein complexes that use second messengers to produce their gustatory effects are called: Answer Selected Answer: gustducins Correct Answer: gustducins Question 11 5 out of 5 points The inherited condition related to taste sensitivity involves sensitivity to the compound: Answer Selected Answer: phenylthiourea Correct Answer: phenylthiourea Question 12 0 out of 5 points A lipid-rich product that helps to keep the eyelids from sticking together is produced by the: Answer Selected Answer: Correct Answer: [None Given] Meibomian gland ` Question 13 0 out of 5 points The fibrous tunic, the outermost layer covering the eye, consists of the: Answer Selected Answer: Correct Answer: [None Given] sclera and cornea Question 14 0 out of 5 points The vascular tunic consists of three distinct structures that include: Answer Selected Answer: Correct Answer: [None Given] iris, ciliary body, choroid / Question 15 0 out of 5 points The primary function of the lens of the eye is to: Answer Selected Answer: Correct Answer: [None Given] focus the visual image on retinal receptors Question 16 0 out of 5 points When looking directly at an object, its image falls upon the portion of the retina called the: Answer Selected Answer: Correct Answer: [None Given] fovea centralis H Question 17 0 out of 5 points When photons of all wavelengths stimulate both rods and cones, the eye perceives: Answer Selected Answer: Correct Answer: [None Given] "white" light Question 18 0 out of 5 points Axons converge on the optic disc, penetrate the wall of the eye, and proceed toward the: Answer Selected Answer: Correct Answer: [None Given] diencephalon as the optic nerve (N II) I Question 19 0 out of 5 points The sensation of vision arises from the integration of information arriving at the: Answer Selected Answer: Correct Answer: [None Given] visual cortex of the cerebrum Question 20 0 out of 5 points The dividing line between the external ear and the middle ear is the: Answer Selected Answer: Correct Answer: [None Given] tympanic membrane Question 21 0 out of 5 points The auditory ossicles of the middle ear include the: Answer Selected Answer: Correct Answer: [None Given] malleus, stapes, incus Question 22 0 out of 5 points The structure in the cochlea of the inner ear that provides information to the CNS is the: Answer Selected Answer: Correct Answer: [None Given] organ of Corti Question 23 0 out of 5 points The receptors that provide the sensation of hearing are located in the: Answer Selected Answer: Correct Answer: [None Given] cochlea Question 24 0 out of 5 points The senses of equilibrium and hearing are provided by receptors in the: Answer Selected Answer: Correct Answer: [None Given] inner ear Question 25 0 out of 5 points Ascending auditory sensations synapse in the thalamus and then are delivered by projection fibers to the: Answer Selected Answer: Correct Answer: [None Given] auditory cortex of the temporal lobe Question 26 0 out of 5 points Olfactory secretions that absorb water and form a thick, pigmented mucus are produced by: Answer Selected Answer: Correct Answer: [None Given] Bowman's glands Question 27 0 out of 5 points During the olfaction process the first synapse occurs at the: Answer Selected Answer: [None Given] Correct Answer: olfactory bulbs of the cerebrum @ Question 28 0 out of 5 points Neuronal replacement in adult humans is one of the few examples that occurs in the: Answer Selected Answer: Correct Answer: [None Given] olfactory receptor population @ Question 29 0 out of 5 points The tongue papillae that provide friction to move objects around in the mouth, but do not contain taste buds are: Answer Selected Answer: Correct Answer: [None Given] filiform papillae Question 30 0 out of 5 points Taste buds are monitored by cranial nerves: Answer Selected Answer: Correct Answer: [None Given] VII, IX, X Question 31 0 out of 5 points The ultimate higher-order olfactory destination is the: Answer Selected Answer: Correct Answer: [None Given] primary sensory cortex Question 32 0 out of 5 points The factor that quickly reduces your sensitivity to a new taste is: Answer Selected Answer: Correct Answer: [None Given] central adaptation Question 33 0 out of 5 points A taste receptor sensitive to dissolved chemicals but insensitive to pressure illustrates the concept of: Answer Selected Answer: Correct Answer: [None Given] receptor specificity Question 34 0 out of 5 points During the focusing process, when light travels from the air into the relatively dense cornea: Answer Selected Answer: Correct Answer: [None Given] the light path is bent Question 35 0 out of 5 points Exposure to bright light produces a: Answer Selected Answer: Correct Answer: [None Given] rapid reflexive decrease in pupillary diameter z Question 36 0 out of 5 points The color of the eye is determined by: Answer Selected Answer: Correct Answer: [None Given] the thickness of the iris and the number and distribution of pigment cells z Question 37 0 out of 5 points In rating visual acuity, a person whose vision is rated 20/15 is better than normal since this person can: Answer Selected Answer: Correct Answer: [None Given] read letters at 20 feet that are only discernible by the normal eye at 15 feet from the chart Question 38 0 out of 5 points After an intense exposure to light, a "ghost" image remains on the retina because a photoreceptor cannot respond to stimulation until: Answer Selected Answer: Correct Answer: [None Given] its rhodopsin molecules have been regenerated Question 39 0 out of 5 points The role that vitamin A plays in the eye is: Answer Selected Answer: Correct Answer: [None Given] the visual pigment retinal is synthesized from vitamin A Question 40 0 out of 5 points The reason everything appears to be black and white when we enter dimly lighted surroundings is: Answer Selected Answer: Correct Answer: [None Given] only rods are stimulated Question 41 0 out of 5 points When one or more classes of cones are nonfunctional, the result is: Answer Selected Answer: Correct Answer: [None Given] color blindness Question 42 0 out of 5 points The most detailed information about the visual image is provided by the: Answer Selected Answer: Correct Answer: [None Given] cones Question 43 0 out of 5 points The region of the retina called the "blind spot" is an area that structurally comprises the: Answer Selected Answer: Correct Answer: [None Given] optic disc Question 44 0 out of 5 points The partial cross-over that occurs at the optic chiasm ensures that the visual cortex receives: Answer Selected Answer: Correct Answer: [None Given] a composite picture of the entire visual field Question 45 0 out of 5 points The waxy material that slows the growth of microorganisms in the external acoustic canal and reduces the chances of infection is: Answer Selected Answer: Correct Answer: [None Given] cerumen I Question 46 0 out of 5 points The auditory ossicles found in the middle ear resemble "tools" that would be found in a: Answer Selected Answer: Correct Answer: [None Given] horse stable Question 47 0 out of 5 points Information about the direction and strength of mechanical stimuli is provided by the: Answer Selected Answer: Correct Answer: [None Given] hair cells Question 48 0 out of 5 points The receptors in the inner ear that provide sensations of gravity and linear acceleration are the: Answer Selected Answer: Correct Answer: [None Given] saccule and utricle Question 49 0 out of 5 points Information about the region and intensity of stimulation is related to the CNS over the cochlear branch of: Answer Selected Answer: Correct Answer: [None Given] N VIII G Question 50 0 out of 5 points The energy content of a sound determines its intensity, which is measured in: Answer Selected Answer: Correct Answer: [None Given] decibels ...
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This note was uploaded on 05/02/2011 for the course BIOLOGY 159 taught by Professor Hamm during the Spring '11 term at Harry S. Truman College - CCC.

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