A nurse is caring for a client who has an open abdominal wound with moderate drainage. Which of the following types of dressings should the nurse use to promote moist wound healing?

Hydrocolloid dressing

Transparent film dressing

Calcium alginate dressing

Hydrogel dressing

Answer and Explanation

The Correct Answer is A

Choice B reason:

Transparent film dressing is a type of dressing that consists of a thin sheet of polyurethane with an adhesive coating. It allows oxygen and moisture vapor to pass through but prevents bacteria and water from entering the wound. It is suitable for wounds with minimal drainage, such as superficial abrasions or donor sites.

Choice C reason:

Calcium alginate dressing is a type of dressing that consists of fibers derived from seaweed that form a gel-like substance when they come in contact with wound exudate. It absorbs large amounts of drainage and supports autolytic debridement of necrotic tissue. It is suitable for wounds with heavy drainage, such as pressure ulcers or venous ulcers.

Choice D reason:

Hydrogel dressing is a type of dressing that consists of water or glycerin-based gel that provides moisture to dry wounds and supports autolytic debridement of necrotic tissue. It is suitable for wounds with minimal to moderate drainage, such as partial-thickness burns or radiation injuries.

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Correct Answer is A

Explanation

Choice A reason:

Decreased hematocrit is an indicator of improvement for a client who has hypovolemia and is receiving IV fluid therapy. Hematocrit is the percentage of red blood cells in the blood. Hypovolemia causes hemoconcentration, which increases the hematocrit level. IV fluid therapy restores the blood volume and dilutes the red blood cells, which decreases the hematocrit level.

Choice B reason:

Increased urine specific gravity is not an indicator of improvement for a client who has hypovolemia and is receiving IV fluid therapy. Urine specific gravity is a measure of the concentration of solutes in the urine. Hypovolemia causes dehydration, which increases the urine specific gravity. IV fluid therapy rehydrates the body and lowers the urine specific gravity.

Choice C reason:

Decreased central venous pressure is not an indicator of improvement for a client who has hypovolemia and is receiving IV fluid therapy. Central venous pressure is a measure of the pressure in the right atrium and vena cava. Hypovolemia causes decreased preload, which lowers the central venous pressure. IV fluid therapy increases preload and raises the central venous pressure.

Choice D reason:

Increased blood urea nitrogen is not an indicator of improvement for a client who has hypovolemia and is receiving IV fluid therapy. Blood urea nitrogen is a measure of the amount of urea in the blood. Urea is a waste product of protein metabolism that is excreted by the kidneys. Hypovolemia causes decreased renal perfusion, which increases the blood urea nitrogen level. IV fluid therapy improves renal perfusion and lowers the blood urea nitrogen level.

A. B cells B. T cells C. T cells D. Mast cells

Correct Answer is B

Explanation

Choice A reason:

B cells are not involved in contact dermatitis, as they do not produce antibodies or form immune complexes.

Choice B reason:

T cells are the type of cells that mediate contact dermatitis, which is a type of type IV hypersensitivity. T cells recognize the poison ivy antigens that bind to the skin proteins and release cytokines that recruit macrophages and other inflammatory cells. This leads to a delayed and localized reaction that manifests as erythema, edema, vesicles, and pruritus.

Choice C reason:

T cells are not the same as B cells, as they have different receptors and functions in the immune system.

Choice D reason:

Mast cells are not involved in contact dermatitis, as they do not express IgE antibodies or release histamine.

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A nurse is caring for a client who has an open abdominal wound with moderate drainage. Which of the following types of dressings should the nurse use to promote moist wound healing?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is evaluating the effectiveness of IV fluid therapy for a client who has hypovolemia. Which of the following findings should the nurse use as an indicator of improvement?

Correct Answer is A

Explanation

A nurse is caring for a client who has contact dermatitis after exposure to poison ivy. The nurse recognizes that this condition is mediated by what type of cells?

Correct Answer is B

Explanation

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