When assessing muscle strength, the nurse observes that a patient has complete range of motion against gravity with full resistance. What grade of muscle strength should the nurse record using a 0- to 5-point scale?

Grade 1

Grade 2

Grade 3

Grade 5

Answer and Explanation

The Correct Answer is D

A.   This grade indicates trace contraction but no movement. It is not appropriate in this case, as the patient has full range of motion.
B.   Grade 2. This grade reflects full range of motion with gravity eliminated. The patient’s range of motion is against gravity, so this is not the correct grade.
C.   Grade 3. This grade indicates full range of motion against gravity but without resistance. The patient is able to resist full force, so this is not the correct grade either.
D.   Grade 5. This grade indicates normal strength with full range of motion against gravity and full resistance. This best describes the patient's strength, which is normal.

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Correct Answer is D

Explanation

A. The trochlear nerve controls the superior oblique muscle of the eye and is not related to facial movements.
B. The abducens nerve controls the lateral rectus muscle of the eye, responsible for eye movement, not facial muscles.
C. The vagus nerve affects the soft palate, pharynx, and larynx, but does not contribute to facial expression.
D. Asymmetry in facial movements, like smiling, frowning, and puffing the cheeks, suggests dysfunction of the facial nerve (CN VII).

A. Large body stature B. History of bone fracture during childhood C. Smokes 1 pack of cigarettes per day D. Drinks one alcoholic beverage per day

Correct Answer is C

Explanation

A. Larger body size does not increase the risk for osteoporosis. In fact, individuals with a larger body may have more bone mass, offering some protection.
B. Although a history of fractures may indicate fragile bones, childhood fractures do not significantly contribute to the development of osteoporosis in adulthood.
C. Smoking is a well-established risk factor for osteoporosis. It reduces bone density and impairs bone regeneration, making smokers more prone to fractures and bone loss.
D. While excessive alcohol consumption can increase the risk of osteoporosis, consuming one alcoholic beverage per day is generally considered moderate and does not pose a high risk for osteoporosis by itself.

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When assessing muscle strength, the nurse observes that a patient has complete range of motion against gravity with full resistance. What grade of muscle strength should the nurse record using a 0- to 5-point scale?

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Naxlex Comprehensive Predictor Exams

During an assessment of the CNs, the nurse finds the following: asymmetry when the patient smiles or frowns, uneven lifting of the eyebrows, sagging of the lower eyelids, and escape of air when the nurse presses against the right puffed cheek. This would indicate dysfunction of which of these CNs?

Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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