LAB MANUAL FOR HUMAN A&P MAIN VERSION
4th Edition
ISBN: 9781266871016
Author: Martin
Publisher: MCG
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Textbook Question
Chapter 38, Problem 2.1A
Vision and equilibrium test results:
a. When the eyes are open, what sensory organs provide information needed to maintain equilibrium?
b. When the eyes are closed, what sensory organs provide such information?
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Chapter 38 Solutions
LAB MANUAL FOR HUMAN A&P MAIN VERSION
Ch. 38 - The sense organs associated with equilibrium are...Ch. 38 - Prob. 2PLCh. 38 - Hair cell receptors associated with dynamic...Ch. 38 - Otoliths are composed of a. calcium carbonate. b....Ch. 38 - Which of the following is not associated with...Ch. 38 - Eye twitching movements characteristic during...Ch. 38 - Otoliths are located within the semicircular ducts...Ch. 38 - Complete the following statements: The organs of...Ch. 38 - Complete the following statements: All of the...Ch. 38 - Complete the following statements: Otoliths are...
Ch. 38 - Complete the following statements: Sensory...Ch. 38 - Complete the following statements: The sensory...Ch. 38 - Complete the following statements: The sensory...Ch. 38 - Complete the following statements: The of this...Ch. 38 - Complete the following statements: The vestibular...Ch. 38 - Vision and equilibrium test results: a. When the...Ch. 38 - What additional sensory information would you...
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- Everything in the background are represented on the retina as smaller images as the distance increases/ What bearing does this have on the interpretation of results? How can you control this factor? What are the other factors in the surrounding environment that are not controlled?arrow_forwardWhy is each eye tested separately during an eye exam?arrow_forward4.4arrow_forward
- choose one of the vision problems that can be corrected by LASIK.arrow_forwardWhy must the subject stand 20 feet from the Snellen eye chart to test distance vision?arrow_forwardSelect the incorrect match: 1.Muscle fibres of iris - Regulate diameter of pupil 2.Cells of retina first involved in visual input - Ganglionic cells 3.Space between lens and retina — Filled with vitreous humor 4.Fovea within macula lutea — Absence of rodsarrow_forward
- Diseussion: What is the microexamination, why it is used and what is the difference between macro and microexamination? 2. state the purpose of the followings: Coarse adjustment knob, b. Fine adjustment knob, e. Iris diaphragm. d. Objective lens. e. Ocuiar or eye lens. Lengith, e 3. If the approximate magnification when using an objective lens with a focal Y re length of (2mm) is (800X), what is the magnification of the eye lens. 4. Calculate the focal length of the objective lens for a microscope with an approximate magnification of (1000x) and an eye lens magnification of (10x). * 5. Explain briefly the microscope work mechanism to examine a specimen prépared for microexamination.arrow_forwardRecall that the eye is composed of three layers or "tunics" — the fibrous, vascular, and nervous layers — which enclose two cavities that are separated from each other by the lens. Review the components of these three layers by matching each description with the appropriate letter in the figure below: 1. Fluid in the anterior portion of the eye that provides nutrients to the lens and cornea 2. The "whites" of the eye 3. Area of the retina that lacks photoreceptors 4. Contains smooth muscle that controls the shape of the lens 5. Nutritive (nourishing) layer of the eye 6. Layer containing rods and cones 7. Gel-like substance that helps support the eyeball 8. Pigmented smooth muscles that control pupil size 9. Most anterior component of the fibrous layer — your "window to the world" 10. Structure that changes shape to bend light toward rods and conesarrow_forwardwhat will happen if an eyeglasses has: a. two converging lens (explain) b. two diverging lens (explain) c. both converging and diverging lens (explain) P.S. This is not a multiple choice question thank Youarrow_forward
- b) When the muscles connected to the crystalline lens contract fully, its focal length is 16.5000 cm. With this focal length, how far away must an object be to form sharply focused images on the retina? (Note: this distance is called the far point of vision.)arrow_forwardThe pupil of a person's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minimum angle of resolution change?arrow_forwardPut the following in the correct order of the most direct visual processing pathway from eyes to brain. 1. Lateral geniculate neuron 2. Ganglion cell 3. Visual cortex neuron 4. Bipolar cell 5. Optic nerve 6. Photoreceptorarrow_forward
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