Fundamentals of Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134477336
Author: Martini
Publisher: PEARSON
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Chapter 17, Problem 1CC
Summary Introduction
To determine:
The meaning of the result of the eye test of Makena, which showed
Introduction:
Visual acuity is a parameter, on the basis of which the ability of a person to see an object is measured. It depends on variety of factors such as the sharpness of the image observed, retinal functions and the information processing of the brain.
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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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- What are the near pointand the far point of the vision?arrow_forwardWhy must the subject hold the Snellen acuity card close to his or her eyes to test near vision?arrow_forwardJJ is a 75 yo female patient with asymptomatic open angle glaucoma with elevated IOP >25%. They have no other pertinent medical conditions. The ophthalmologist spoke with them about treatment options and they prefer to try pharmacologic therapy before laser therapy. Which TWO of the following treatment options are considered first line therapies? No partial credit. a. bimatoprost (Lumigan) b. dorzolamide (Trusopt) c. pilocarpine (Isopto Carpine) d. brimonidine (Alphagan P) e. levobunolol (Betagan)arrow_forward
- Dr. Nakvarati used an instrument to blow a puff of air on Mr. Jefferson’s eye during his annual physical examination on his 60th birthday. The eye deformed very little, indicating that the intraocular pressure was too high. What was Mr. Jefferson’s probable condition?arrow_forwardWhat's the cranial nerve name and number that was tested during the visual acuity test?arrow_forwardLabel the effective focal spot.arrow_forward
- can you explain to me what does the numerator and denominator mean in the visual acuity chart?arrow_forward11:21 AM Fri Jun 4 * 77% 4 YYY c) When the muscles connected to the crystalline lens relax, the focal length is 9.0000 cm. With this focal length, how close must an object be to form sharply focused images on the retina? (Note: this distance is called the near point of vision.) d) As people age, the crystalline lens hardens (a condition called presbyopia or "old-age" eyes) and can only vary in focal length from 12 to 15.60 cm. Calculate range of vision (the new near point and far point) for this older eye. e) Based on part d) why might an older person hold the newspaper at arm's length to read it? f) The iris of the eye serves two different purposes. First, the iris controls the total amount of light entering the eye so a person can see in varying light levels. Secondly, the iris blocks light from hitting the extreme edges of the crystalline lens. Why might an eye want to block the light hitting the extreme edges of a lens? What is the name for the effect when light does hit the edges…arrow_forwardWhat is the treatments available for the patient with detached retina.arrow_forward
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