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 D
Explanation
Choice A rationale
Water or saline baths can help cleanse and soothe the skin but do not specifically target psoriasis exacerbations. They are not the typical therapeutic solution for this condition.
Choice B rationale
Sodium bicarbonate baths may help with itching but are not specifically indicated for psoriasis. They are more commonly used for conditions like chickenpox or sunburn.
Choice C rationale
Colloids, such as oatmeal baths, can relieve itching and provide comfort but are not the primary therapeutic choice for psoriasis exacerbations.
Choice D rationale
Medicated tars are a well-known treatment for psoriasis. They help slow the rapid growth of skin cells, reduce inflammation, and relieve itching, making them effective for managing psoriasis symptoms.
Correct Answer is A
Explanation
Choice A rationale
The nurse should check the equipment first when an ICP reading of 0 mm Hg is noted, as this may indicate equipment malfunction. An accurate ICP reading is critical for assessing and managing intracranial pressure to ensure the client's safety.
Choice B rationale
Continuing the assessment without checking the equipment may lead to incorrect conclusions based on a potentially faulty reading. It’s crucial to ensure the accuracy of the equipment before proceeding.
Choice C rationale
Documenting the reading as an effective treatment outcome without verifying its accuracy can be dangerous. An ICP reading of 0 mm Hg is unusual and warrants equipment verification.
Choice D rationale
Contacting the health care provider to review the care plan is premature until the equipment has been checked to rule out a false reading, ensuring the nurse provides accurate information.
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