Anatomy & Physiology: An Integrative Approach
Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Chapter 16, Problem 4DYKB
Summary Introduction

Introduction:

Lacrimal apparatus produces lacrimal fluid that contains antibodies, antibacterial enzyme (lysozyme), Na+ ions and majorly water. Lysozyme protects the eye from bacterial infection and antibodies kills the invaded microbes. The presence of sodium ion makes it salty.

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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 lacrimal glands produce lacrimal fluid for each of thefollowing functions excepta. cleansing the eye surface.b. preventing bacterial infection.c. humidifying the eye orbit.d. moistening the eye surface.
Medial rotation of the eyeball is performed by the: a. superior rectus muscle. b. inferior rectus muscle. c. medial rectus muscle. d. inferior oblique muscle.

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Anatomy & Physiology: An Integrative Approach

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