08 Senses

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Salem State University *

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Biology

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Jan 9, 2024

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Senses Questions Choose the correct path of light entering the human eye. 1. cornea 2. lens 3. conjunctiva 4. vitreous humor 5. aqueous humor 6. pupil 7. retina 6, 1, 3, 2, 4, 5, 7 2, 3, 1, 5, 6, 4, 7 1, 3, 4, 6, 2, 5, 7 3, 1, 5, 6, 2, 4, 7 1, 3, 5, 2, 6, 4, 7 Focusing the light rays involves which of the following? change in the shape of the lens change in the relative position of the lens change in the shape of the cornea change in the density of the aqueous humor change in the location of the optic disc A delicate membrane that lines the eyelids and covers the part of the outer surface of the eyeball is called the: lacrimal gland cornea conjuntiva retina choroid The area of the retina containing only cone cells is the:

a. uvea. b. optic disc. c. fovea centralis. d. blind spot. e. both b. and d. above are correct. The auditory (or Eustachian) tube is located between the: throat and middle ear. throat and trachea. throat and larynx. throat and inner ear. middle ear and inner ear. The conduction of a sound vibration from the middle ear to the inner ear is created by the vibration of the: malleus against the tympanic membrane. stapes in the oval window. incus in the round window. stapes in the round window. stapes against the tympanic membrane. The cristae ampullaris detect ___________________. a. sound waves and convert them into nerve impulses. b. static equilibrium information. c. the energy flow in the mitochondria. d. dynamic equilibrium information. e. both a. and c. above are correct

The malleus, incus and stapes: a. are located in the inner ear. b. are surrounded by perilymph. c. are parts of the organ of Corti. d. form a bridge between the tympanum and the oval window. e. both a. and b. above are correct. The optic disc marks the: exit of the Optic nerve, II. most optically sensitive point of the retina. junction between the iris and the ciliary body. the region in the retina where the ganglion cells are located. the latest recording techniques on CDs. The outer ear consists of: 1. pinna 2. auditory tube 3. external auditory canal 4. tympanic membrane all of the above are parts of the outer ear only 1, 3, and 4 above are correct only 1, 2, and 4 above are correct only 1 and 3 above are correct only 1 above is correct The outer white layer of the eyeball that is also called the fibrous tunic is the _________.

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choroid. ciliary body. iris. retina. sclera. The photoreceptors in the eye are found in the: choroid coat. cornea. lens. retina. sclera. The sensory hair cells of the organ of Corti are located on the: tectorial membrane. vestibular membrane. tympanic membrane. basilar membrane. vestibule. The specific ear structure responsible for providing constant information of head position (static equilibrium) is/are the: cristae ampullaris. organ of Corti. maculae. semicircular canals. cupula.

The structure that is connected to the stapes and allows the transduction of sound waves to the Organ of Corti is the: seminiferous tube. round window. oval window. mastoid sinus. auditory tube The tip of the tongue is very sensitive to which taste(s)? a. bitter b. salty c. sour d. sweet e. both b. and d. above are correct When a bright light shines in the eye, what reflex action takes place? Ciliary bodies secrete tears. Extrinsic eye muscles contract. Radial muscles of the iris contract. Ciliary muscles contract. Circular muscles of the iris contract. Where are the taste buds located that are the most sensitive to sour substances? a. at the tip of the tongue b. at the sides of the tip of the tongue

c. on the posterior lateral edges of the tongue d. all over the surface of the tongue e. both a. and b. above are correct

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