II. True or False. Write the letter of your choice based on the choices in the box below..A- If only the first statement is correctB- If only the second statement is correctC- If both statements are correctD- If both the statements are incorrect7. A. The Bowmans gland secretes mucous to dissolve tastants.B. Olfaction has a low threshold and fast adaptability thus smell is difficult to perceive.8. A. Bitter tastants have the lowest threshold thus it is easily perceived even at a small amountB. Odorants stimulates the G protein in the olfactory hair which leads to events that generatesimpulses.9. A. You can identify any taste in all sides of the surface of the tongue.B. The red eye on pictures is reflection of the blood vessels found in the retina. 10. A. The pupil id transparent but appears to be black because of the melanin found in the choroidB. The pupil constricts and relaxes as it controls the amount of light that passes througn.III. Matching Type

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7. A. The Bowmans gland secretes mucous to dissolve tastants. B. Olfaction has a low threshold and fast adaptability thus smell is difficult to perceive.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter41: Sensory Systems

Section: Chapter Questions

Problem 8TYK

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1) The base plate of the stapes _____. A) transmits sound vibrations from the tympanic membrane to the ear ossicles B) is located in the inner ear and has hair cells with stereocilia and kinocilia attached to it C) covers the round window to the inner ear D) vibrates in the oval window to create waves in the inner ear
1. Vitreous humor is found in the anterior cavity: A) True B) False 2. Select all that apply when your eye is focused on something across the room: A) suspensory ligaments loosen B) the lens is more flat C) the lens is more convex (bulged in the center) D) suspensory ligaments are taut E) ciliary muscle contracts F) ciliary muscle relaxes 3. Which list includes 3 structures of the outer ear? A) A membrane that transmits sound waves B) Pinna, Tympanic Membrane, Auditory Canal C) Auricle, Pinna, Semicircular Canals D) Incus, Vestibulocochlear Nerve, Auditory Canal E) Oval Window, Round Window, Semicircular Canals F) Malleus, Incus, Stapes
1. Olfaction takes place in the:a. eye b. nose c. mouth d. ears 2. Color vision is detected by the:a. cones b. rods c. choroid d. lens
The middle ear functions in__________. a. detecting shifts in body position b. transmitting sound waves c. sorting sound waves out by frequency d. all of the above
Which of the following statements concerning the inner ear is TRUE? Question 3 options: a) The bony labyrinth within the tempoal bone contains spaces for the semicircular canals and the cochlea. b) The fibers of the cochlear nerve are attached to hair cells in the semicircular canals to carry information about movements of the head. c) The frequency of sound waves as defined by their wavelengths are perceived as pitch and are measured in decibels (dB). d) The saccule and utricle are critical sensory receptors for interpreting language, distinct from other sounds.
Benign Paroxysmal Positional Vertigo is a disorder where some of the calcium carbonate crystals in the utricle migrate into the semicircular canals. Why does this condition cause periods of dizziness? a. The hair cells in the semicircular canals will be constantly activated. b. The hair cells in the semicircular canals will now be stimulated by gravity. c. The utricle will no longer recognize acceleration. d. There will be too much volume in the semicircular canals for them to detect motion.
1) When a hair cell is activated by a sound wave ____. A) it fires action potentials that cause the basilar membrane to begin to vibrate B) it releases neurotransmitter C) its kinocilia and stereocilia release chemicals 2) Low pitch sounds are heard when the ______. A) longer more flexible fibers in the basilar membrane vibrate B) region of the basilar membrane closest to the oval window vibrates C) entire basilar membrane vibrates equally but at a low frequency
1) When the ciliary muscle in the amniote eye contracts its diameter ______ and the tension of the zonular fibers connecting it to the lens is released. This causes the lens to ______. A) increases, be stretched to a more flattened state" B) increases, be squeezed to a more rounded shape" C) decreases , be stretched to a more flattened shape" D) decreases, rebound to a more rounded shape"
Why do people over 55 often need reading glasses? a. Their cornea no longer focuses correctly. b. Their lens no longer focuses correctly. c. Their eyeball has elongated with age, causing images to focus in front of their retina. d. Their retina has thinned with age, making vision more difficult.
Which statements is/are true? a. The test substances can only be determined in their specific area according to the taste map of thetongue.b. The test substances can be determined anywhere in the tongue.c. The middle of the tongue cannot taste any of the substances.d. The salt solution is the only substances that could be determined in the middle of the tongue.e. Intensity of the taste of the substances are different form every area of the tongue.
A bar of light in a specific part of the retina, with a particular length and orientation, is the most effective stimulus for a.retinal ganglion cells. b.lateral geniculate cells. c.simple cortical cells. d.complex cortical cells.
1.) Which of the following statements about neural impulses leaving the inner ear is true? A.) They are carried over the auditory nerves to the temporal lobes of the brain . B.) They are carried over the optic nerves to the temporal lobes of the brain. C.) They are carried over the auditory nerves to the occipital lobes of the brain. D.) They are carried over the optic nerves to the occipital lobes of the brain. 2.) Which of the following correctly identifies the sequence of actions after movements of the stapes strike the oval window on the fluid-filled cochlea? A.) basilar membrane movesà pressure waves à hair cells relay message à stereocilia bend against tectorial membrane à auditory nerve B.) basilar membrane moves åpressure waves à stercocilia bend against tectorial membrane cells relay message à auditory nerve C.)pressure waves…