1
Of the following processes, which occurs in dendrites?A) interpretation B) transmission C) stimulation D) transduction 2
Nociceptors senseA) pressure B) pain C) heat D) touch 3
The taste that most people sense on the back of the tongue isA) sweet B) bitter C) salty D) sour 4
Whether a hair cell depolarizes or hyperpolarizes depends on whether it bends toward or away fromA) kinocilium B) ampullae C) statocysts D) otolith 5
In the cochlea, the hair cells are contained by theA) tectorial membrane B) tympanic membrane C) basilar membrane D) vestibular membrane 6
The amount of light entering the eye is determined by the size of theA) retina B) cornea C) pupil D) fovea E) optic nerve 7
The cells responsible for color vision in vertebrates are calledA) rod cells B) cone cells C) bipolar cells D) cupula cells E) ampullae 8
Which of the following substances is involved in the electromagnetic and chemical events of vision?A) rhodopsin B) G proteins C) phosphodiesterase D) all of the above E) none of the above 9
Which of the following is not a mechanical stimulus?A) gravity B) sound C) touch D) vibration E) smell 10
Nerve impulses are carried from the eye to the brain by theA) optic nerve B) cornea C) bipolar cells D) rod and cone cells E) vestibular apparatus 11
The membrane that separates the outer ear from the middle ear of mammals is called theA) foveal membrane B) basilar membrane C) oval window D) tectorial membrane E) tympanic membrane 12
Which of the following is not one of the four taste classes that taste buds respond to?A) bitter B) salty C) spicy D) sweet 13
Rod cells and cone cells are located in theA) organ of Corti B) retina C) iris D) cornea E) pupil 14
Which of the following sensory systems is not found in fish?A) ampullae of Lorenzini B) lateral line system C) pit organs D) taste buds E) all of the above are found in fish 15
The simplest sensory receptors in a nervous system areA) found only in invertebrates B) free nerve endings that depolarize in response to direct physical stimulation C) mechanical receptors that employ a lever device D) auditory receptors 16
Which of the following sensory systems of vertebrates did not evolve first in an aquatic environment?A) infrared vision B) regular vision C) electric organs D) taste 17
The most sensitive vertebrate chemoreceptors known are theA) rod and cone cells of mammals B) taste receptors of fishes C) organs of Corti of humans D) olfactory receptors of mammals E) organs of Corti of bats 18
Compared with chemical stimuli, auditory stimuliA) travel farther B) travel more quickly C) provide better directional information D) all of the above E) none of the above 19
The Eustachian tube connects theA) outer ear and middle ear B) middle ear and inner ear C) inner ear and throat D) cochlea and semicircular canals E) middle ear and throat 20
Which of the following sensory receptors function via hyperpolarization rather than depolarization?A) rod and cone cells B) organs of Corti C) proprioceptors D) all of the above E) none of the above 21
The fovea is part of theA) cornea B) iris C) papillae D) retina E) organ of Corti 22
Which of the following is not one of the ossicles in the middle ear of humans?A) stirrup B) anvil C) saddle D) hammer 23
Which of the following stimuli can be detected by a proprioceptor?A) taste B) pain C) color D) gravity E) all of the above 24
Information transmitted from the pit organs of a snake is processed byA) modified muscles B) the auditory center of the snake's brain C) electroplates D) the visual center of the snake's brain E) magnetic receptors 25
Receptors that report your arm position and tension are:A) electroreceptors. B) exteroceptors. C) interoceptors. D) proprioceptors. E) thermoreceptors. 26
Which is a functional mismatch?A) Pacinian corpuscles -- detects warmth B) Meissner's corpuscles -- detects light touch of the skin C) semicircular canals -- detects rotational movements in the three dimensions of space D) statocyst -- a gravity receptor E) vestibular apparatus -- detects changes in speed or direction of movement 27
In which of the following animals would you expect to find the protein opsin?A) fruit fly B) alligator C) bird D) human E) all of the above 28
Which of the following statements is correct?A) In order to produce a clear image, the aqueous humor is involved in the process of accommodation. B) The space anterior to the lens is filled with the vitreous humor. C) The function of the crystalline lens is to bend light rays and focus them on the optic nerve. D) The amount of light entering your eye is regulated by smooth muscle in the ciliary body. E) Nearsightedness is a condition resulting from loss of lens elasticity. 29
Which of the following statements is incorrect?A) The human eye contains both rhabdomeric receptors, the rods, and ciliary receptors, the cones. B) Rhabdomeres are found in the compound eyes of insects, but not in the eyes of octopi. C) In mammals, color vision depends upon three types of cones that are maximally sensitive to three different wavelengths of light. D) Suffering from a Vitamin A deficiency leads to night blindness. E) Accommodation involves the ability to change the width of the lens by contracting or relaxing certain muscles. 30
Muscle spindles are stretch receptors.A) True B) False 31
The sclera of the eye contains a dark pigment that absorbs light, preventing internally reflected light from blurring the visual image.A) True B) False 32
The olfactory nerve carries impulses associated with taste.A) True B) False 33
The transparent cornea is an extension of the sclera.A) True B) False 34
The human inner ear is where sound waves are amplified by means of the vibrations of tiny bones.A) True B) False