CHAPTER 9 SENSE ORGAN MCQ(Please select the best single answer) A1型题 1.If the principal focal distance of a lens is 0.75 m,its refractive power is A.0.25 diopter B.0.75 diopter C.1.0 diopter D.1.33 diopter E.10.3 diopter [答案]D 2.Visual accommodation involves A.increased tension on the lens ligaments B.a decrease in the curvature of the lens C.relaxation of the sphincter muscle of the irisrelaxation of the sphincter muscle of the iris D.contraction of the ciliary muscle E.increased intraocular pressure [答案]D 3.The fovea of the eye A.has the lowest light threshold B.is the region of highest visual acuity C.contains only red and green cones
CHAPTER 9 SENSE ORGAN MCQ(Please select the best single answer) A1 型题 1. If the principal focal distance of a lens is 0.75 m, its refractive power is A. 0.25 diopter B. 0.75 diopter C. 1.0 diopter D. 1.33 diopter E. 10.3 diopter [答案] D 2. Visual accommodation involves A. increased tension on the lens ligaments B. a decrease in the curvature of the lens C. relaxation of the sphincter muscle of the irisrelaxation of the sphincter muscle of the iris D. contraction of the ciliary muscle E. increased intraocular pressure [答案] D 3. The fovea of the eye A. has the lowest light threshold B. is the region of highest visual acuity C. contains only red and green cones
D.contains only rods E.is situated over the head of the optic nerve [答案]B 4.Which of the following parts of the eye has the greatest concentration of rods? A.Ciliary body B.Iris C.Optic disk D.Fovea E.Parafoveal region [答案]E 5.Vitamin A is a precursor for the synthesis of A.somatostatin B.retinenel C.the pigment of the iris D.scotopsin E.aqueous humor [答案]B 6.Abnormal color vision is 20 times more common in men than women because most cases are caused by an abnormal A.dominant gene on the Y chromosome B.recessive gene on the Y chromosome C.dominant gene on the X chromosome D.recessive gene on the X chromosome
D. contains only rods E. is situated over the head of the optic nerve [答案] B 4. Which of the following parts of the eye has the greatest concentration of rods? A. Ciliary body B. Iris C. Optic disk D. Fovea E. Parafoveal region [答案] E 5. Vitamin A is a precursor for the synthesis of A. somatostatin B. retinene1 C. the pigment of the iris D. scotopsin E. aqueous humor [答案] B 6. Abnormal color vision is 20 times more common in men than women because most cases are caused by an abnormal A. dominant gene on the Y chromosome B. recessive gene on the Y chromosome C. dominant gene on the X chromosome D. recessive gene on the X chromosome
E.recessive gene on chromosome 22 [答案]D 7.Which of the following is not involved in color vision? A.Activation of a pathway that signals differences between S cone responses and the sum of L and M cone responses B.Geniculate layers 3-6 C.P pathway D.Area V3A of visual cortex E.Area V8 of visual cortex [答案]D 8.Sound intensity is measured in A.diopters B.daltons C.torrs D.decibels E.pounds [答案]D 9.In humans,the primary auditory cortex is located in the A.limbic system B.posterior part of the occipital lobe C.posterior part of the parietal lobe D.postcentral gyrus E.superior part of the temporal lobe [答案]E
E. recessive gene on chromosome 22 [答案] D 7. Which of the following is not involved in color vision? A. Activation of a pathway that signals differences between S cone responses and the sum of L and M cone responses B. Geniculate layers 3-6 C. P pathway D. Area V3A of visual cortex E. Area V8 of visual cortex [答案] D 8. Sound intensity is measured in A. diopters B. daltons C. torrs D. decibels E. pounds [答案] D 9. In humans, the primary auditory cortex is located in the A. limbic system B. posterior part of the occipital lobe C. posterior part of the parietal lobe D. postcentral gyrus E. superior part of the temporal lobe [答案] E
10.Postrotatory nystagmus is caused by continued movement of A.aqueous humor over the ciliary body in the eye B.cerebrospinal fluid over the parts of the brain stem that contain the vestibular nuclei C.endolymph toward the helicotrema D.endolymph in the semicircular canals,with consequent bending of the cupula and stimulation of hair cells E.perilymph over hair cells that have their processes embedded in the tectorial membrane [答案]D 11.The basilar membrane of the cochlea A.is unaffected by movement of fluid in the scala vestibuli B.covers the oval window and the round window C.vibrates in a pattern determined by the form of the traveling wave in the fluids in the cochlea D.is under tension E.vibrates when the body is subjected to linear acceleration [答案]C 12.Which of the following are incorrectly paired? A.Timbre (quality)of sound:harmonic vibrations B.Direction of sound:difference in frequency of impulses in auditory nerve fibers C.Pitch of sound:point of greatest displacement of the basilar membrane D.Pitch of sound:frequency of sound wave
10. Postrotatory nystagmus is caused by continued movement of A. aqueous humor over the ciliary body in the eye B. cerebrospinal fluid over the parts of the brain stem that contain the vestibular nuclei C. endolymph toward the helicotrema D. endolymph in the semicircular canals, with consequent bending of the cupula and stimulation of hair cells E. perilymph over hair cells that have their processes embedded in the tectorial membrane [答案] D 11. The basilar membrane of the cochlea A. is unaffected by movement of fluid in the scala vestibuli B. covers the oval window and the round window C. vibrates in a pattern determined by the form of the traveling wave in the fluids in the cochlea D. is under tension E. vibrates when the body is subjected to linear acceleration [答案] C 12. Which of the following are incorrectly paired? A. Timbre (quality) of sound: harmonic vibrations B. Direction of sound: difference in frequency of impulses in auditory nerve fibers C. Pitch of sound: point of greatest displacement of the basilar membrane D. Pitch of sound: frequency of sound wave
E.Loudness of sound:amplitude of sound wave [答案]B 13.Which of the following are incorrectly paired? A.Tympanic membrane:manubrium of malleus B.Helicotrema:apex of cochlea C.Foot plate of stapes:oval window D.Otoliths:semicircular canals E.Basement membrane:cochlea [答案]D 14.The direction of nystagmus is vertical when subject is rotated A.after warm water is put in one ear B.with the head tipped backward C.after cold water is put in both ears D.with the head tipped sideways E.after section of one vestibular nerve [答案]D 15.The human planum temporale is A.concerned with auditory visual coordination B.concerned with detection of linear acceleration C.concerned with localization of sound D.larger in the right cerebral hemisphere than in the left E.generally larger in musicians with perfect pitch than in musicians without perfect pitch [答案]E
E. Loudness of sound: amplitude of sound wave [答案] B 13. Which of the following are incorrectly paired? A. Tympanic membrane: manubrium of malleus B. Helicotrema: apex of cochlea C. Foot plate of stapes: oval window D. Otoliths: semicircular canals E. Basement membrane: cochlea [答案] D 14. The direction of nystagmus is vertical when subject is rotated A. after warm water is put in one ear B. with the head tipped backward C. after cold water is put in both ears D. with the head tipped sideways E. after section of one vestibular nerve [答案] D 15. The human planum temporale is A. concerned with auditory visual coordination B. concerned with detection of linear acceleration C. concerned with localization of sound D. larger in the right cerebral hemisphere than in the left E. generally larger in musicians with perfect pitch than in musicians without perfect pitch [答案] E
16.In the utricle,tip links in hair cells are involved in A.formation of perilymph B.depolarization of the stria vascularis C.movements of the basement membrane D.perception of sound E.regulation of distortion-activated ion channels [答案]E 17.Impulses generated by olfactory receptors in the nasal mucous membrane A.are relayed to the thalamus B.pass through the internal capsule C.are relayed to the olfactory cortex via the hypothalamus D.pass to the mitral cells and from there directly to the olfactory cortex E.pass to the mitral cells and from there to the olfactory cortex via the taste area [答案]D 18.Impulses generated in the taste buds of the tongue reach the cerebral cortex via the A.thalamus B.internal capsule C.dorsal roots of the first cervical spinal nerves D.trochlear nerve E.hypoglossal nerve [答案]A
16. In the utricle, tip links in hair cells are involved in A. formation of perilymph B. depolarization of the stria vascularis C. movements of the basement membrane D. perception of sound E. regulation of distortion-activated ion channels [答案] E 17. Impulses generated by olfactory receptors in the nasal mucous membrane A. are relayed to the thalamus B. pass through the internal capsule C. are relayed to the olfactory cortex via the hypothalamus D. pass to the mitral cells and from there directly to the olfactory cortex E. pass to the mitral cells and from there to the olfactory cortex via the taste area [答案] D 18. Impulses generated in the taste buds of the tongue reach the cerebral cortex via the A. thalamus B. internal capsule C. dorsal roots of the first cervical spinal nerves D. trochlear nerve E. hypoglossal nerve [答案] A
19.Which of the following senses is most strongly associated with aversive conditioning？ A.Pressure B.Vision C.Linear acceleration D.0lfaction E. Taste [答案]E 20. Which of the following does not increase the ability to discriminate many different odors? A.Many different receptors B.Pattern of olfactory receptors activated by a given odorant C.Projection of different mitral cell axons to different parts of the brain D.High B-arrestin content in olfactory neurons E.Sniffing [答案]D
19. Which of the following senses is most strongly associated with aversive conditioning? A. Pressure B. Vision C. Linear acceleration D. Olfaction E. Taste [答案] E 20. Which of the following does not increase the ability to discriminate many different odors? A. Many different receptors B. Pattern of olfactory receptors activated by a given odorant C. Projection of different mitral cell axons to different parts of the brain D. High β-arrestin content in olfactory neurons E. Sniffing [答案] D