In assessing a client with ulcers on the lower extremity, which findings indicate that the ulcers are likely to be of venous, rather than arterial, origin?

Irregular ulcer shapes and severe edema.

Hairless lower extremities and cool feet.

Black ulcers and dependent rubor.

Absent pedal pulses and shiny skin.

Answer and Explanation

The Correct Answer is A

Choice A reason: Irregular ulcer shapes and severe edema are characteristic of venous ulcers, which are caused by impaired venous return and increased capillary pressure. Venous ulcers are usually located near the medial malleolus and have a shallow depth.

Choice B reason: Hairless lower extremities and cool feet are signs of arterial insufficiency, which reduces blood flow and oxygen delivery to the tissues. Arterial ulcers are usually located on the toes, heels, or lateral malleoli and have a deep, punched-out appearance.

Choice C reason: Black ulcers and dependent rubor are also signs of arterial insufficiency, indicating tissue necrosis and inflammation. Dependent rubor is a reddish-blue color of the lower extremity that occurs when the leg is lowered below the level of the heart.

Choice D reason: Absent pedal pulses and shiny skin are also signs of arterial insufficiency, indicating reduced blood flow and atrophy of the skin. The skin may also be dry, scaly, or cracked.

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Correct Answer is C

Explanation

Choice A reason: An abdominal catheter is used for peritoneal dialysis, not hemodialysis. Hemodialysis requires access to a large blood vessel, usually in the arm or leg.

Choice B reason: Routine medications may need to be adjusted or avoided before or after hemodialysis, depending on their effects on blood pressure, fluid balance, and electrolytes.

Choice C reason: Insulin dosage may need to be reduced during hemodialysis because insulin is removed by the dialyzer and blood glucose levels may drop. This is the correct statement to include in client education.

Choice D reason: Potassium-rich foods should be limited in the diet of clients with chronic kidney disease and hemodialysis, because potassium can build up in the blood and cause cardiac arrhythmias.

A. The humoral immune response lacks B cells that form antibodies and opportunistic infections result. B. Inadequate numbers of T lymphocytes are available to initiate cellular immunity and macrophages. C. Bone marrow suppression of white blood cells causes insufficient cells to phagocytize organisms. D. Exposure to multiple environmental infectious agents overburdens the immune system until it fails.

Correct Answer is B

Explanation

Choice A reason: The humoral immune response is mediated by B cells that produce antibodies against specific antigens. However, this response is not the main problem in AIDS, because B cells are not directly affected by the human immunodeficiency virus (HIV) that causes AIDS. Therefore, this choice is incorrect.

Choice B reason: The cellular immune response is mediated by T lymphocytes that activate other immune cells, such as macrophages, to destroy infected or abnormal cells. This response is the main problem in AIDS, because HIV infects and destroys CD4+ T cells, which are essential for coordinating the cellular immunity. As a result, the client becomes susceptible to opportunistic infections, such as Pneumocystis jiroveci pneumonia. Therefore, this choice is correct.

Choice C reason: Bone marrow suppression of white blood cells can cause immunodeficiency, but it is not the primary cause of AIDS. Bone marrow suppression can occur as a side effect of some drugs or treatments, such as chemotherapy or radiation therapy, but it is not directly caused by HIV. Therefore, this choice is incorrect.

Choice D reason: Exposure to multiple environmental infectious agents can challenge the immune system, but it does not necessarily cause it to fail. The immune system can adapt and respond to different pathogens, unless it is compromised by an underlying condition, such as AIDS. Therefore, this choice is incorrect.

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In assessing a client with ulcers on the lower extremity, which findings indicate that the ulcers are likely to be of venous, rather than arterial, origin?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with type 1 diabetes mellitus, hypertension, and chronic kidney disease is to begin hemodialysis treatment. Which statement should the nurse include in client education?

Correct Answer is C

Explanation

Correct Answer is B

Explanation

Exhibits The nurse is reviewing the physician orders. Which of the following physician’s orders requires priority attention from the nurse? Select all that apply.

A client with a closed head injury demonstrates signs of syndrome of inappropriate antidiuretic hormone (SIADH). Which additional finding should the nurse expect to obtain?

A client with acute renal injury (AKI) weighs 110.3 pounds (50 kg) and has a potassium level of 6.7 mEq/L (6.7 mmol/L) is admitted to the hospital. Which prescribed medication should the nurse administer first? Reference Range: Potassium [3.5 to 5 mEq/L (3.5 to 5 mmol/L)]

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The nurse prepares a teaching plan for an adult client with metabolic syndrome. Which finding(s) should the nurse address to help the client reduce the risk for diabetes mellitus and vascular disease? (Select all that apply.)

A client who had a biliopancreatic diversion procedure (BPD) 3 months ago is admitted with severe dehydration. Which assessment finding warrants immediate intervention by the nurse?

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