Essentials of Human Anatomy & Physiology
11th Edition
ISBN: 9780133481662
Author: Elaine N. Marieb
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 4MC
Which cranial nerve controls contraction of the circular smooth muscle of the iris?
a. Trigeminal
b. Facial
c. Oculomotor
d. Abducens
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Chapter 8 Solutions
Essentials of Human Anatomy & Physiology
Ch. 8 - More than one choice may apply. Which of the...Ch. 8 - More than one choice may apply. Identify the...Ch. 8 - Prob. 3MCCh. 8 - Which cranial nerve controls contraction of the...Ch. 8 - The cornea is nourished by a. corneal blood...Ch. 8 - When the eye focuses for far vision, a. the lens...Ch. 8 - Convergence a. requires contraction of the medial...Ch. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MC
Ch. 8 - Prob. 11SAECh. 8 - Prob. 12SAECh. 8 - 13. Diagram and label the internal structures of...Ch. 8 - Prob. 14SAECh. 8 - Prob. 15SAECh. 8 - 16. What is the blind spot, and why is it so...Ch. 8 - What name is given to the structure that controls...Ch. 8 - What is the fovea centralis, and why is it...Ch. 8 - Prob. 19SAECh. 8 - Describe the difference between the photopupillary...Ch. 8 - 21. Define hyperopia, myopia, and emmetropia.
Ch. 8 - Prob. 22SAECh. 8 - Prob. 23SAECh. 8 - Prob. 24SAECh. 8 - Many students struggling through mountains of...Ch. 8 - Prob. 26SAECh. 8 - Prob. 27SAECh. 8 - Prob. 28SAECh. 8 - Prob. 29SAECh. 8 - Prob. 30SAECh. 8 - Prob. 31SAECh. 8 - Prob. 32SAECh. 8 - Prob. 33SAECh. 8 - Which special sense requires the most learning?Ch. 8 - 35. For each of the following descriptions,...Ch. 8 - Prob. 36CAQCh. 8 - Prob. 37CAQCh. 8 - Prob. 38CAQCh. 8 - Brandon suffered a ruptured artery in his middle...Ch. 8 - Prob. 40CAQCh. 8 - Kathy visits her Optician as she has been...Ch. 8 - 42. Julie and her father love to find the...Ch. 8 - Prob. 43CAQCh. 8 - 44. Mrs. Garson has an immune disorder that causes...Ch. 8 - Prob. 45CAQ
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- Select the correct one, Which structure sends motor nerve signals to the deep back muscles and receives sensory nerve signals from the skin of the back? a. posterior root b. posterior ramus c. anterior root d. anterior ramusarrow_forwardWhich structure contains the muscles that adjust the shape of the lens of the eye? A. Ciliary body B. Sclera C. Limbus D. Corneaarrow_forwardWhich brain structure relays incoming sensory information? a. thalamus c. reticular formation b. hypothalamus d. ponsarrow_forward
- The vestibulocochlear nerve travels between the brain and what organ? A. Eye B. Nose C. Tongue D. Eararrow_forwardYoshi has suffered minor damage to the bones in his left middle ear. What treatment, if any, might help restore his hearing? a. a hearing aid b. a cochlear implant c. Both a hearing aid and a cochlear implant will be needed. d. Such damage is permanent and cannot be remedied.arrow_forwardA child may sometimes play by quickly turning around in a circle. When the child stops, he or she often feels like his or her head is still spinning. What is responsible for this sensation? a. fluid still rotating in the semicircular canals b. proprioceptors c. compression of the otolith organs d. disruption of the otolith crystalsarrow_forward
- Which cerebral lobe is located immediately posterior to the central sulcus and superior to the lateral sulcus? a. frontal lobe b. parietal lobe c. temporal lobe d. occipital lobearrow_forwardWhich region of the cerebellum receives proprioceptive input from the spinal cord? a. vermis b. left hemisphere c. flocculonodular lobe d. right hemispherearrow_forwardIf you were to develop a rare condition in which you were not able to remember to be afraid of certain situations, animals, or events, which part of the brain would most likely be damaged? a. cingulate cortex c. thalamus b. hypothalamus d. amygdalaarrow_forward
- what furrow is found at the lower border of the lower eyelid? a. the oblique palpebral sulcus b. the angulus oris sulcus c. the inferior palpebral sulcus d. the nasolabial sulcusarrow_forwardMaria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria’s baby can awaken her immediately. What part of the brain is responsible for this reaction? a. medulla c. reticular formation b. pons d. cerebellumarrow_forwardWhich type of reflex is the jaw-jerk reflex that is partof the cranial nerve exam for the vestibulocochlear nerve?a. visceral reflexb. withdrawal reflexc. stretch reflexarrow_forward
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