Which of the following cranial nerves is affected in an individual who is experiencing pain and tingling of the face?
Trochlear (IV)
Trigeminal (V)
Glossopharyngeal (IX)
Abducens (VI)
The Correct Answer is B
A. The trochlear nerve (IV) controls the superior oblique muscle of the eye and is not responsible for sensation or pain in the face.
B. The trigeminal nerve (V) is responsible for sensation in the face, including pain, tingling, and touch. It also controls the muscles of mastication. A lesion or irritation of this nerve can lead to symptoms like pain and tingling in the face.
C. The glossopharyngeal nerve (IX) primarily controls the sensation in the throat and the taste sensation on the back of the tongue. It is not responsible for facial pain or tingling.
D. The abducens nerve (VI) controls the lateral rectus muscle of the eye, responsible for eye movement, but does not contribute to facial sensation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The number of hair follicles does not increase with age. In fact, there is a gradual decrease in the number of hair follicles as one ages.
B. Decreased sebum production is a common skin change associated with aging. Sebum helps keep the skin moisturized, and as its production decreases with age, the skin tends to become drier.
C. Skin elasticity actually decreases with age due to the breakdown of collagen and elastin fibers, leading to wrinkles and sagging.
D. Epidermal permeability tends to increase with age, as the skin becomes thinner and more fragile, making it easier for substances to pass through.
Correct Answer is C
Explanation
A. A vesicle is involved in the transport of substances within or out of the cell via processes like endocytosis or exocytosis but does not directly permit ion passage across the membrane.
B. An enzyme catalyzes chemical reactions and is not directly involved in the transport of ions across the cell membrane.
C. A channel protein facilitates the passage of ions across the cell membrane, allowing specific ions to move in and out of the cell based on concentration gradients.
D. A lysosome is an organelle responsible for digesting and breaking down waste materials within the cell, not for ion transport across the membrane.
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