A nurse is caring for a client who has generalized petechiae and ecchymoses. The nurse should expect a prescription for which of the following laboratory tests?

Creatinine clearance

Potassium level

Platelet count

Prealbumin

Answer and Explanation

The Correct Answer is C

A.   Creatinine clearance is used to assess kidney function, not related to petechiae or ecchymoses.
B.   Potassium levels are important for assessing electrolyte balance but are not directly related to petechiae or ecchymoses.
C.   Petechiae and ecchymoses are signs of bleeding, often due to a low platelet count, so this test is appropriate.
D.   Prealbumin is a protein marker for nutrition, not directly related to bleeding or clotting issues.

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Correct Answer is B

Explanation

A. Epistaxis (nosebleeds) is not a common manifestation of hypovolemia. It is more typically associated with conditions like hypertension or nasal trauma.
B. Dizziness is a common symptom of hypovolemia due to reduced blood volume and decreased perfusion to the brain.
C. Shortness of breath is more likely to occur with conditions such as pulmonary edema or respiratory disorders, not hypovolemia.
D. Headache can occur in hypovolemia due to reduced blood flow, but dizziness is more directly related to the body's inability to compensate for low blood volume.

A. Place tongue on the mouthpiece of the meter. B. Blow into the meter as hard and quickly as possible. C. Maintain a semi-Fowler's position during testing D. Record the average of the readings.

Correct Answer is B

Explanation

A. The child should not place their tongue on the mouthpiece, as this can affect the accuracy of the measurement.
B. Blowing as hard and quickly as possible provides the most accurate reading of peak expiratory flow.
C. Maintaining a semi-Fowler's position is not necessary for using the peak expiratory flow meter.
D. The best measurement is the highest of three attempts, not an average.

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A nurse is caring for a client who has generalized petechiae and ecchymoses. The nurse should expect a prescription for which of the following laboratory tests?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who is experiencing hypovolemia. Which of the following manifestations should the nurse expect?

Correct Answer is B

Explanation

A nurse is instructing a school-age child who has asthma about the use of a peak expiratory flow meter. Which of the following instructions should the nurse include in the teaching?

Correct Answer is B

Explanation

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