A nurse is teaching a client scheduled for an activated partial thromboplastin time (aPTT). Which of the following statements by the client indicates an understanding of the teaching?

"This test will help my provider adjust my warfarin dosages."

"If my levels are too low, I am at an increased risk for bleeding."

"It measures deficiencies in clotting factors."

"I will need to skip breakfast until after the test is complete

Answer and Explanation

The Correct Answer is C

A. "This test will help my provider adjust my warfarin dosages": aPTT is not typically used to monitor warfarin therapy. Instead, it is more commonly associated with monitoring heparin therapy.

B. "If my levels are too low, I am at an increased risk for bleeding": This statement is inaccurate. Low levels of clotting factors could lead to a prolonged aPTT, which might increase the risk of bleeding.

C. "It measures deficiencies in clotting factors."

Activated partial thromboplastin time (aPTT) is a laboratory test that evaluates the intrinsic pathway of the coagulation cascade. The aPTT measures the time it takes for a clot to form and reflects the activity of various clotting factors, including factors VIII, IX, XI, and XII. An elevated aPTT may indicate a deficiency or dysfunction of one or more clotting factors.

D. "I will need to skip breakfast until after the test is complete": There is no need for the client to skip breakfast before an aPTT test. The test is not affected by food intake.

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Correct Answer is A

Explanation

A. Cabbage: This is the correct answer. Cabbage is a food high in vitamin K, which can antagonize the effects of warfarin. Warfarin is an anticoagulant that works by inhibiting vitamin K-dependent clotting factors. Consistent intake of vitamin K-rich foods, such as cabbage, can affect the stability of the client's international normalized ratio (INR).

B. Green beans: Green beans are not particularly high in vitamin K, and their consumption is not usually restricted for clients taking warfarin.

C. White beans: White beans are not particularly high in vitamin K, and their consumption is not usually restricted for clients taking warfarin.

D. Cantaloupe: Cantaloupe is not high in vitamin K, and its consumption is not usually restricted for clients taking warfarin.

A. Excessive thrombosis and bleeding B. Increased clotting factors C. Progressive increase in platelet production D. Immediate sodium and fluid retention

Correct Answer is A

Explanation

A. Excessive thrombosis and bleeding

Disseminated Intravascular Coagulation (DIC) is a complex and serious condition characterized by widespread activation of the coagulation cascade, leading to both excessive clot formation (thrombosis) and simultaneous consumption of clotting factors and platelets, resulting in bleeding. DIC can occur as a secondary complication to various conditions such as sepsis, trauma, or obstetric complications.

B. Increased clotting factors: In DIC, there is consumption and depletion of clotting factors, not an increase.

C. Progressive increase in platelet production: Platelet production does not increase in DIC; instead, there is consumption and decreased platelet count.

D. Immediate sodium and fluid retention: DIC is not associated with immediate sodium and fluid retention; instead, it is characterized by fluid loss due to bleeding.

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A nurse is teaching a client scheduled for an activated partial thromboplastin time (aPTT). Which of the following statements by the client indicates an understanding of the teaching?

Nursing Test Bank

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