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 B

Explanation

Choice A rationale

Vitiligo is a condition characterized by depigmentation of the skin, leading to white patches. It does not typically affect the fingernails, so pitting on the surface of the nails is not indicative of vitiligo.

Choice B rationale

Psoriasis is a chronic skin condition that often affects the nails, leading to pitting or the appearance of small depressions on the nail surface. Nail psoriasis can also cause discoloration, thickening, and separation of the nail from the nail bed.

Choice C rationale

Melanoma is a type of skin cancer that can affect the nails, causing dark streaks or pigmentation changes. However, pitting on the surface of the nails is not a characteristic feature of melanoma.

Choice D rationale

Diabetes can lead to various nail changes, including thickening and yellowing of the nails, but it does not typically cause pitting on the nail surface. Pitting is more specific to psoriasis.

A. The CPP is within normal limits. B. The CPP is low. C. The CPP reading is inaccurate. D. The CPP is high.

Correct Answer is B

Explanation

Choice A rationale

A CPP within normal limits ranges from 60 to 80 mm Hg, so a value of 40 mm Hg is not within this range.

Choice B rationale

A CPP of 40 mm Hg is considered low and indicates inadequate cerebral blood flow, which can result in brain ischemia and damage.

Choice C rationale

The reading of 40 mm Hg is considered accurate, as it reflects the current CPP of the client.

Choice D rationale

A CPP of 40 mm Hg is not high but low, indicating compromised cerebral perfusion.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is assessing the fingernails of a client at the clinic. The nurse observes pitting on the surface of the nail. What disorder is this finding indicative of?

Correct Answer is B

Explanation

A client with increased intracranial pressure has a cerebral perfusion pressure (CPP) of 40 mm Hg. How should the nurse interpret the CPP value?

Correct Answer is B

Explanation

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