ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303106
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 15, Problem 1CT
Summary Introduction
Case summary:
A man with the condition of cataract undergoes surgery to treat the condition. He has his lens removed in the process.
Adequate information:
A cataract is a condition in which the clouding of the lens of an eye occurs. This condition of the eye decreases the visibility of the eye and maybe the result of conditions such as aging and medications. The treatment of this condition is generally done surgically, wherein the lens of the affected eye is surgically removed.
To determine:
The kind of lens that needs to be worn by an older adult to compensate for the removal of the eye lens.
Introduction:
Cataract, a condition that exhibits the haziness of the sight by the clouding of the lens of an eye, decreases the visibility of the person. A cataract is generally the result of aging and infrequent medication use.
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Chapter 15 Solutions
ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
Ch. 15.1 - Where are olfactory neurons located? Explain their...Ch. 15.1 - Describe the initiation of an action potential in...Ch. 15.1 - What is unique about olfactory neurons with...Ch. 15.1 - Where are the central olfactory cortex areas...Ch. 15.2 - Name and describe the four kinds of papillae on...Ch. 15.2 - Describe the structure of a taste bud.Ch. 15.2 - What are the five primary tastes? Describe how...Ch. 15.2 - Prob. 8AYPCh. 15.2 - How is the sense of taste related to the sense of...Ch. 15.3 - Prob. 10AYP
Ch. 15.3 - How do the conjunctiva,lacrimal apparatus, and...Ch. 15.3 - Prob. 12AYPCh. 15.3 - How does the pupil constrict? How does it dilate?Ch. 15.3 - Prob. 14AYPCh. 15.3 - Name the three chambers of the eye and the...Ch. 15.3 - Prob. 16AYPCh. 15.3 - Prob. 17AYPCh. 15.3 - Prob. 18AYPCh. 15.3 - Prob. 19AYPCh. 15.3 - Prob. 20AYPCh. 15.3 - Prob. 21AYPCh. 15.3 - Distinguish among myopia, hyperopia. and...Ch. 15.3 - Prob. 23AYPCh. 15.3 - Describe the changes that occur in a rod cell...Ch. 15.3 - Prob. 25AYPCh. 15.3 - Prob. 26AYPCh. 15.3 - Prob. 27AYPCh. 15.3 - Prob. 28AYPCh. 15.3 - Prob. 29AYPCh. 15.3 - Starting with the optic nerve, trace the action...Ch. 15.3 - Prob. 31AYPCh. 15.4 - Name the three regions of the ear, and list each...Ch. 15.4 - Describe the relationship among the tympanic...Ch. 15.4 - What are the functions of the external auditory...Ch. 15.4 - Explain how the membranous labyrinth of the...Ch. 15.4 - Describe the structure of the spiral organ.Ch. 15.4 - Explain the differences between inner and outer...Ch. 15.4 - Relate how tip links function.Ch. 15.4 - Prob. 39AYPCh. 15.4 - Contrast volume, pitch, and timbre.Ch. 15.4 - Starting with the auricle, trace a sound wave into...Ch. 15.4 - What is the importance of the sound attenuation...Ch. 15.4 - Prob. 43AYPCh. 15.4 - Describe the neuronal pathways for hearing, from...Ch. 15.4 - Prob. 45AYPCh. 15.4 - Prob. 46AYPCh. 15.4 - What is dynamic equilibrium? Whatstructures are...Ch. 15.4 - Prob. 48AYPCh. 15.4 - Prob. 49AYPCh. 15.5 - Prob. 50AYPCh. 15 - Which of these statements is not true with respect...Ch. 15 - Prob. 2RACCh. 15 - Which of these is not one of the basic tastes? a....Ch. 15 - Which of these types of papillae have no taste...Ch. 15 - Prob. 5RACCh. 15 - The ciliary body a. contains smooth muscles that...Ch. 15 - Prob. 7RACCh. 15 - Prob. 8RACCh. 15 - Prob. 9RACCh. 15 - Prob. 10RACCh. 15 - Prob. 11RACCh. 15 - Prob. 12RACCh. 15 - Prob. 13RACCh. 15 - In the retina cones that are most sensitive to a...Ch. 15 - Given these areas of the retina: (1) macula (2)...Ch. 15 - Prob. 16RACCh. 15 - Prob. 17RACCh. 15 - Which of these structures is found within or is...Ch. 15 - Prob. 19RACCh. 15 - Prob. 20RACCh. 15 - Prob. 21RACCh. 15 - Prob. 22RACCh. 15 - Prob. 23RACCh. 15 - Prob. 24RACCh. 15 - Damage to the semicircular canals affects the...Ch. 15 - Prob. 1CTCh. 15 - Perhaps you have heard that eating carrots is good...Ch. 15 - A man stares at a black clock on a white wall for...Ch. 15 - Prob. 4CTCh. 15 - Prob. 5CTCh. 15 - Prob. 6CTCh. 15 - Professional divers are subject to increased...Ch. 15 - If a vibrating tuning fork is placed against the...
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- Presbyopia is a condition in which a person loses part or all of their capacity to adapt to changes in visual acuity. Will she still need reading glasses after having LASIK to fix her far vision? Explain.arrow_forwardWhich defect of vision can be rectified using a concave lens?arrow_forwardAlbinism is a condition in which melanin pigment is not made. How do you think vision is affected by albinism? When Mrs. Martinez visits her opthalmologist, she complains of pain in her right eye. the intraocular pressure is found to be abnormally elevated. What is the name of Mrs. Martinez's probable condition? What causes it? What might be the outcome if the problem is not corrected?arrow_forward
- What makes the lens of the eye clear? What happens when cataracts form?arrow_forwardName one defect of vision which cannot be corrected by any type of spectacle lenses?arrow_forwardA female child, age 6, is brought to the health clinic for a routine checkup. To assess the child’s vision, the nurse should ask: “Do you have any problems seeing different colors?” “Do you have trouble seeing at night?” “Do you have problems with glare?” “How are you doing in school?”arrow_forward
- Identify the following structures and sketch them in the spaces provided: 1. Cornea 2. Anterior cavity containing aqueous humor 3. Iris 4. Pupil 5. Lens 6. Zonular fibers of the lens 7. Ciliary body a. Ciliary processes b. Ciliary muscle 8. Vitreous chamber containing vitreous body 9. Sclera 10. Choroid 11. Retina a. Macula lutea i. Fovea centralis b. Rods c. Cones 12. Optic disc 13. Optic nerve (cranial nerve II) 14. Primary visual cortex of the brainarrow_forwardPresbyopia is a condition in which a person's ability to adjust to changes in visual acuity diminishes or disappears entirely. Will she still require reading glasses after LASIK to correct her far vision? Explain.arrow_forwardWhat structure keeps a contact lens on the cornea and prevents it from becoming lodged on the posterior surface of the eyeball?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_forwardName the two structures in the eye responsible for bringing about the change in the shape of the lens.arrow_forwardThree patients have suffered destruction of different portions of their visual pathway. Patient 1 has lost the right optic tract, patient 2 has lost the nerve fibers that cross at the optic chiasm, and patient 3 has lost the left occipital lobe. Draw a picture of what each person would perceive through each eye when looking at a white wall.arrow_forward
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