Palpebrae is another name for the A. eyes. B eyelids. C. eyebrows. D. eyelashes.

Question

Palpebrae is another name for the A. eyes. B eyelids. C. eyebrows. D. eyelashes. E. conjunctiva. Which of the following cranial nerves innervates an eye muscle? A. optic B. facial C. abducens. D. trigeminal E. vagus The outermost tunic of the eyeball is the A. iris. B. sclera. C. retina. D. choroid. E. conjunctiva. Vitreous humor A. is produced on a daily basis. B. is less viscous than aqueous humor. C. does not contribute to intraocular pressure. D. helps to hold the lens and retina in place. E. is located in the anterior compartment. Which auditory ossicle is attached to the tympanic membrane? A. labyrinth B. incas C. malleus D. stapes E. oval window Which of the following is NOT an effector controlled by the autonomic nervous system? A. cardiac muscle B. glands C. skeletal muscle D. smooth muscle in blood vessels E. smooth muscle in the digestive system

Explanation / Answer

24.B Eyelids -In ophthalmology palpebrae commonly known as the eyelids are protective layers of skin that surround the anterior surface of the eyes.

25.C Abducens -The lateral rectus muscle is innervated by the abducens nerve.

26. B Sclera-Tough white fibrous outer envelope of tissue covering all of the eyeball except the cornea.

27.D Helps to hold the lens and retina in place-The vitreous humor fills much of the eye, allowing light to pass through the lens to the retina and helping the eye to keep its round shape

28.C Malleus- As sound waves vibrate the tympanic membrane ,it inturn moves the nearest ossicle,the malleus to which it is attached.

29.C Skeletal muscle-The autonomic nervous system is a division of peripheral nervous system that supplies smooth muscle and glands and influences the functioning of internal organs.It regulates heart rate,digestion,respiratory rate,pupillary response,urination and sexual arousal.

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