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Exam 13: The Peripheral Nervous System and Reflex Activity

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Question 41

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Describe the cause and symptoms of paresthesia.

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Paresthesia is the t...

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Question 42

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Ceruminous glands are ________.

A) modified apocrine sweat glands
B) saliva glands found at the base of the tongue
C) modified taste buds
D) glands found in the lateral corners of your eye

E) B) and D)
F) B) and C)

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Question 43

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Information regarding skeletal muscle tension is provided by ________ and muscle length by ________.

The musculocutaneous nerve is a major nerve of the brachial plexus.

Inborn or intrinsic reflexes are ________.

The function of the lens of the eye is to allow precise focusing of light on the retina.

Odorants must be volatile to be smelled.

Explain why your nose runs during and immediately after a good cry.

Labyrinthitis is a medical condition often caused by viral infection, resulting in swelling and inflammation of the membranous labyrinth. Which of the following symptoms would you most associate with the condition of labyrinthitis?

Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.

The middle ossicle in the ear is the ________.

Regeneration within the CNS ________.

When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained.

Baby Susie's pediatrician notices that one of her eyes rotates outward and that she does not appear to be using it for vision. What is her condition and what does the pediatrician recommend?

A reflex that causes muscle relaxat ion and lengthening in response to muscle tension is called a________.

Damage to the medial rectus muscles would probably affect________.

Explain the role of the endolymph of the semicircular canals in activating the receptors during angular motion.

Injury to cervical vertebra C3-C4 is particularly problematic because ________.

A 60-year-old woman is experiencing vertigo. She ignores the symptoms initially, but now her attacks are accompanied by severe nausea and vomiting. Following an attack, she hears a roaring in her ears thatcauses temporary deafness for some time after. What do you think her problem is, and what is its suspected cause?

Bill is a mechanic that works with vibrating tools. He also exerts force on his wrists whentwisting wrenches and screws. Bill has a tingling sensation in the lateral portion of his hand. The doctor suspects carpal tunnel syndrome. Which of the following test might the doctor try on her patient?