A client who has sustained a head injury cannot identify a familiar object. The nurse knows that this deficit is called which of the following?

Tactile agnosia.

Ataxia.

Visual agnosia.

Positive Romberg.

Answer and Explanation

The Correct Answer is C

Choice A rationale

Tactile agnosia is the inability to recognize objects through touch, not vision. This condition affects the somatosensory cortex, impacting tactile processing.

Choice B rationale

Ataxia involves the loss of full control of bodily movements and coordination, not the inability to identify objects visually. It typically results from cerebellar dysfunction.

Choice C rationale

Visual agnosia is the inability to recognize familiar objects by sight despite having intact visual functioning. This condition often results from damage to the occipital or temporal lobes.

Choice D rationale

Positive Romberg sign indicates balance issues, typically seen when a client sways or falls when standing with eyes closed. It does not pertain to visual recognition deficits.

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Correct Answer is C

Explanation

Choice A rationale

Aspiration of synovial fluid for serologic testing is a procedure known as arthrocentesis, which involves extracting joint fluid for analysis. While useful for diagnosing conditions like infections or arthritis, it is not the same as arthrography, which involves imaging.

Choice B rationale

Injection of corticosteroids into the client's knee joint to facilitate ROM is a therapeutic procedure to reduce inflammation and improve movement in conditions like arthritis, but it is not part of an arthrography procedure.

Choice C rationale

Injection of a contrast agent into the knee joint prior to ROM exercises is a key part of arthrography. The contrast agent helps to enhance the imaging of the joint structures during movement, allowing for a detailed assessment of the joint.

Choice D rationale

Replacement of the client's synovial fluid with a synthetic substitute is not related to arthrography. This description aligns more with viscosupplementation, a treatment for osteoarthritis.

A. Rigidity. B. Flaccidity. C. Ataxia. D. Clonus.

Correct Answer is D

Explanation

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.

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A client who has sustained a head injury cannot identify a familiar object. The nurse knows that this deficit is called which of the following?

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Naxlex Comprehensive Predictor Exams

A client has been experiencing an unexplained decline in knee function and has consequently been scheduled for arthrography. The nurse should teach the client about what process?

Correct Answer is C

Explanation

Which occurs when reflexes are hyperactive when the foot is abruptly dorsiflexed?

Correct Answer is D

Explanation

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