SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Textbook Question
Chapter 15, Problem 6RAC
The ciliary body
a. contains smooth muscles that attach to the lens by suspensory ligaments.
b. produces the vitreous humor.
c. is part of the iris of the eye.
d. is pan of the sclera.
e. All of these are correct.
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Which of the following statements are true of the parts of the eye? (Read carefully and select all the correct statements.)
A.
Vitreous humor is reabsorbed into the canal of Schlemm.
B.
The radial muscles of the iris constrict the pupil.
C.
The white of the eye is formed by the sclera.
D.
The choroid layer absorbs light within the eyeball.
E.
The conjunctiva is kept moist by tears secreted by the lacrimal glands.
F.
The retina is the innermost layer of the eyeball.
G.
The ciliary muscle is a circular smooth muscle that changes the shape of the cornea.
H.
Aqueous humor is the tissue fluid of the eye; it nourishes the lens and cornea.
The arrangement of tunics in the eye, from the innermost to outermost aspect of the eye, is
a. retina, vascular, fibrous.
b. vascular, retina, fibrous.
c. vascular, fibrous, retina.
d. retina, fibrous, vascular.
Which of the following components of the eye allows a person to focus on objects at various distances?
a. The optic nerve
b. The sclera
c. The lens
d. The photoreceptor cells.
e. The vitreous humour
Chapter 15 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
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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- The fibrous tunic of the eye includes thea. conjunctiva. c. choroid. e. retina.b. sclera. d. iris.arrow_forwardThe outer tough coat of the eye is the a. retina. b. sclera. c. choroid. d. lens.arrow_forwardContraction of the smooth muscle in the ciliary body causes thea. lens to flatten. c. lens to become more spherical.b. pupil to constrict. d. pupil to dilate.arrow_forward
- The clear anterior portion of the sclera is called thea. cornea.b. lens.c. pupil.d. iris.arrow_forwardParasympathetic nerves that stimulate constriction of the iris (in the pupillary reflex) are activated by neurons in a.the lateral geniculate. b.the superior colliculus. c.the inferior colliculus. d.the striate cortex.arrow_forwardGiven these structures:(1) lens (3) vitreous humor(2) aqueous humor (4) corneaWhich of the following arrangements lists the structures in the orderthat light entering the eye encounters them?a. 1,2,3,4 b. 1,4,2,3 c. 4,1,2,3 d. 4,2,1,3 e. 4,3,2,1arrow_forward
- Which of the following statements is correct A. The innermost layer of the retina contains mainly photoreceptors B. The axons that form the optic nerve emerge only from ganglion cells. C. Several types of ganglion cells spike whereas the others do not. D. Two of the statements are correct. E. All three statements are correct.arrow_forwardThe posterior chamber of the eye is filled with fluid calleda. tears.b. ciliary body.c. vitreous humor.d. aqueous humor.arrow_forwardWhich of the following statements is/are correct about the visual system? A.Input from the left eye is processed exclusively in the right V1 cortex. B. Each point in the visual field is analyzed by both the right and left V1 cortices. C. The right visual hemifield projects to the right LGN. D. Two of the above statements are correct. E. None of the above statements are correct.arrow_forward
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