A nurse is preparing to collect a specimen from a client for a guaiac test. The client asks what the test will detect in his stool. Which of the following responses should the nurse make?

Bile

Lipids

Blood

Bacteria

Answer and Explanation

The Correct Answer is C

a. Bile: The guaiac test is not used to detect bile in the stool.

b. Lipids: The guaiac test is not used to detect lipids in the stool.

c. Blood: The guaiac test, also known as the fecal occult blood test (FOBT), is used to detect hidden (occult) blood in the stool. It is commonly used as a screening test for colorectal cancer.

d. Bacteria: The guaiac test is not used to detect bacteria in the stool.

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Correct Answer is A

Explanation

a. Prothrombin time (PT): Warfarin affects the extrinsic pathway of the coagulation cascade, and PT is the primary diagnostic test used to monitor the therapeutic effect of warfarin. It measures

the time it takes for blood to clot.

b. Platelet count: Platelet count assesses the number of platelets in the blood and is not specifically used to monitor the effect of warfarin.

c. White blood cell count (WBC): WBC count assesses the number of white blood cells and is not specifically used to monitor the effect of warfarin.

d. Activated partial thromboplastin time (aPTT): While aPTT is a valuable test for monitoring the therapeutic effect of heparin, it is not the primary test for warfarin. Warfarin primarily affects the extrinsic pathway, and PT is more appropriate for monitoring its effects.

A. Slow B. Not palpable C. Irregular D. Bounding

Correct Answer is C

Explanation

a. Slow: Atrial fibrillation is characterized by an irregular heart rate, but it may not necessarily be slow. The rate can vary, and it is irregularly irregular.

b. Not palpable: While atrial fibrillation can result in an irregularly irregular pulse, it is not necessarily indicative of a pulse that is not palpable.

c. Irregular: Atrial fibrillation is associated with an irregularly irregular pulse due to the chaotic and disorganized atrial activity.

d. Bounding: Bounding pulses are characterized by a forceful and strong pulse, which is not typically associated with atrial fibrillation.

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A nurse is preparing to collect a specimen from a client for a guaiac test. The client asks what the test will detect in his stool. Which of the following responses should the nurse make?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has a new prescription for warfarin. The nurse should use the results of which of the following diagnostic tests to monitor the effect of this therapy?

Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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