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 C

Explanation

A. The pain persists with rest and organic nitrates: This statement is incorrect. Anginal pain typically improves with rest and can be relieved by the administration of organic nitrates.

B. The pain usually lasts longer than 20 min: This statement is incorrect. Anginal pain is often brief and lasts for a few minutes, typically less than 20 minutes.

C. Exertion and anxiety can trigger the pain: This is the correct answer. Anginal pain is often triggered by activities that increase the workload of the heart, such as exertion or emotional stress (anxiety). These triggers lead to an increased demand for oxygen by the heart muscle, which may exceed the compromised blood supply, resulting in angina.

D. The pain often radiates to the jaw or the back: This statement is correct. Anginal pain may radiate to the jaw, back, shoulder, arm, or neck. The radiation of pain is a characteristic feature of angina.

A. "DIC is controllable with lifelong heparin usage." B. "DIC is caused by abnormal coagulation involving fibrinogen." C. "DIC is a genetic disorder involving a vitamin K deficiency." D. "DIC is characterized by an elevated platelet count."

Correct Answer is B

Explanation

A. "DIC is controllable with lifelong heparin usage": This statement is not accurate. While heparin may be used in the treatment of DIC, it is not a lifelong therapy, and the approach to treatment depends on the underlying cause.

B. "DIC is caused by abnormal coagulation involving fibrinogen": This is the correct answer. DIC is a condition characterized by widespread activation of the clotting cascade, leading to the formation of microthrombi throughout the body. Abnormal coagulation involves the consumption of clotting factors, including fibrinogen.

C. "DIC is a genetic disorder involving a vitamin K deficiency": This statement is not accurate. DIC is not a genetic disorder, and it is not primarily related to vitamin K deficiency. It is an acquired condition often associated with severe infections, sepsis, trauma, or other critical illnesses.

D. "DIC is characterized by an elevated platelet count": This statement is not accurate. In DIC, there is often a decrease in platelet count due to consumption and activation of platelets in the widespread formation of microthrombi.

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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?

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