Which occurs when reflexes are hyperactive when the foot is abruptly dorsiflexed?
Rigidity.
Flaccidity.
Ataxia.
Clonus.
The Correct Answer is D
Choice A rationale
Rigidity is characterized by a continuous resistance to passive movement in any direction and does not specifically occur during abrupt dorsiflexion of the foot.
Choice B rationale
Flaccidity refers to decreased muscle tone or limpness, which is the opposite of hyperactivity or spasticity, and would not be observed with abrupt dorsiflexion.
Choice C rationale
Ataxia involves uncoordinated or erratic movements and is related to cerebellar dysfunction. This is not specifically triggered by abrupt dorsiflexion of the foot.
Choice D rationale
Clonus is the correct term for rhythmic, involuntary contractions of a muscle that occur when it is suddenly stretched, such as with abrupt dorsiflexion of the foot. It is a sign of hyperactive reflexes and upper motor neuron lesions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Selective estrogen receptor modulators (SERMs) are used for osteoporosis but are not typically the first-line treatment. They help to maintain bone density by mimicking estrogen's beneficial effects on bone.
Choice B rationale
Calcitonin is used to treat osteoporosis but is not considered a first-line medication. It works by inhibiting bone resorption, which helps to slow bone loss.
Choice C rationale
Bisphosphonates are the first-line medication for treating and preventing osteoporosis. They work by inhibiting bone resorption, which helps to maintain or increase bone density and reduce the risk of fractures.
Choice D rationale
Anabolic agents, such as parathyroid hormone analogs, are used for osteoporosis but are typically reserved for severe cases or when other treatments are not effective. They work by stimulating bone formation.
Correct Answer is A
Explanation
Choice A rationale
Mixed muscular dystrophy leads to progressive deterioration in all voluntary muscles, causing increasing disability over time.
Choice B rationale
This statement is incorrect because mixed muscular dystrophy affects more than just the arms and pelvic muscles and leads to significant disability.
Choice C rationale
This is not an appropriate response as it does not provide any information and deflects the client's question.
Choice D rationale
Mixed muscular dystrophy is not considered benign, as it causes significant and progressive muscle deterioration.
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