Fundamentals of Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134477336
Author: Martini
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 7RQ
At sunset, your visual system adapts to (a) fovea vision, (b) rod-based vision, (c) macular vision, (d) cone-based vision.
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At sunset your visual system adapts to (a) fovea centralis vision. (b) rod-based vision. (c) macular vision. (d) cone-based vision.
The change in focal length of an eye lens is caused by the action of the:(a) Pupil(b) Retina(c) Cilliary muscles(d) Iris
Which of the following statements are true regarding the fovea centralis of the eye?
A) 100% cones
B) 100% rods
C) 50% rods and 50% cones
D) 0% rods or cones - blind spot
E)located in the central portion of the lens
Chapter 17 Solutions
Fundamentals of Anatomy & Physiology (11th Edition)
Ch. 17 - Prob. 1CPCh. 17 - Prob. 2CPCh. 17 - Prob. 3CPCh. 17 - Prob. 4CPCh. 17 - If you completely dry the surface of your tongue...Ch. 17 - Prob. 6CPCh. 17 - Prob. 7CPCh. 17 - Prob. 8CPCh. 17 - Prob. 9CPCh. 17 - Prob. 10CP
Ch. 17 - Prob. 11CPCh. 17 - Prob. 12CPCh. 17 - Prob. 13CPCh. 17 - Prob. 14CPCh. 17 - Prob. 15CPCh. 17 - Prob. 16CPCh. 17 - Prob. 17CPCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - A blind spot occurs in the retina where (a) the...Ch. 17 - Sound waves are convened into mechanical movements...Ch. 17 - The basic receptors in the internal ear are the...Ch. 17 - Prob. 6RQCh. 17 - At sunset, your visual system adapts to (a) fovea...Ch. 17 - Prob. 8RQCh. 17 - The malleus, incus, and stapes are the tiny bones...Ch. 17 - Identify the structures of the external, middle,...Ch. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - Prob. 21RQCh. 17 - Prob. 22RQCh. 17 - Prob. 23RQCh. 17 - Prob. 24RQCh. 17 - Prob. 25RQCh. 17 - Prob. 26RQCh. 17 - Prob. 27RQCh. 17 - Prob. 28RQCh. 17 - Prob. 1CCCh. 17 - Prob. 2CC
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- Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forwardWhat are the stimuli for taste receptors?arrow_forwardThe human eye forms the image of an object at its:(a) Cornea(b) Iris(c) Pupil (d) Retinaarrow_forward
- You are watching the stars at night, and you never seem to be looking at the right spot to catch the brightest meteors. Which of the following might explain this? a)Your fovea contains mostly cones; thus you see dim light especially well when looking right at it. b)Your peripheral retina contains more rods, which are more sensitive to dim light than cones; thus objects in your peripheral vision appear brighter in dim light situations. c)Detection of light depends mostly on its color rather than intensity; thus cones play a larger role in detection of light in dim light situations. d) all of the above. ( well explain the correct answer and type answer).arrow_forwardRegarding the eye's adaptation to darkness: a) then it happens faster than the eye's light adaptation b) so the pupils contract c) then the amount of rhodopsin increases d) No answer text provided.arrow_forwardDamage to the right optic nerve would result in what type of visual field deficit? Question 6 options: A) Blindness in the majority of the left visual field (both binocular and monocular) B) Blindness in the majority of the right visual field (both binocular and monocular) C) Blindness in the majority of both monocular visual fields D) Blindness in the binocular visual field E) Blindness in the majority of the right monocular visual field F) Blindness in the majority of the left monocular visual fieldarrow_forward
- Paralysis of a medial rectus muscle would affect (a) accommodation,(b) refraction, (c) depth perception, (d) pupil constriction.arrow_forwardWhen the ciliary muscle is contracted, the following will: a) lens to become more spherical b) pupil to be dilated c) pupil to contract d) the lens to be flattenedarrow_forwardThe order in which the cells in the eye process light is __________. A) photoreceptors; ganglion cells; bipolar cells B) ganglion cells; bipolar cells; photoreceptors C) photoreceptors; bipolar cells; ganglion cells D) bipolar cells; photoreceptors; ganglion cellsarrow_forward
- The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the(a) fovea(b) iris(c) blind spot(d) optic chaismaarrow_forward1) Teleost focus on nearby objects by _____. A) moving their lens forward in their eye further from the retina B) moving their lens backward in their eye closer to the retina C) contracting their ciliary muscle to release tension on the zonular fibers D) contracting their ciliary muscle to increase tension on the zonular fibers E) relaxing their ciliary muscle to put tension on the ciliary fibersarrow_forwardUsing the terms below, what is the order of the visual pathway elements in order from eye to cortex? 1) Optic radiations 2) lateral geniculate nucleus 3) Optic tract 4) primary visual cortex (V1)/Striate cortex 5) Optic Nervearrow_forward
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