A nurse is preparing to administer heparin 250 units/kg subcutaneously to a client who weighs 150 lb. The heparin is available in a prefilled syringe containing 10,000 units/mL. How many mL should the nurse administer?

Answer and Explanation

The Correct Answer is ["1.7"]

Step 1 is (150 lb × 1 kg ÷ 2.2 lb) × 250 units. This calculates the total units required. The answer is 17045.45 units.

Step 2 is 17045.45 units ÷ 10,000 units/mL = 1.7 mL.

The final calculated answer is 1.7 mL.

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Correct Answer is C

Explanation

Choice A rationale

Acyclovir reduces the frequency and severity of herpes outbreaks but does not prevent transmission. The virus can still be spread through asymptomatic viral shedding, and unprotected sex increases the risk of transmitting the infection to partners.

Choice B rationale

Herpes simplex virus type 2 primarily affects the genital area but can spread to other locations, such as the mouth or fingers, through direct contact with infected secretions. This statement is scientifically incorrect and reflects a lack of understanding.

Choice C rationale

Stress weakens the immune system, triggering latent herpes simplex virus reactivation. This leads to the recurrence of lesions as the virus travels along the nerve pathways to the skin or mucous membranes. Management includes antiviral medications and stress reduction strategies.

Choice D rationale

Herpes simplex virus is contagious even without visible lesions due to asymptomatic viral shedding. The virus can be transmitted to sexual partners during this period, making barrier protection essential at all times to reduce transmission risk. .

A. The wound has edges that are well-approximated. B. The wound shows signs of granulation tissue formation. C. The wound has a scab covering the surface. D. The wound is oozing serous drainage.

Correct Answer is A

Explanation

Choice A rationale

Healing by primary intention occurs when wound edges are approximated, promoting direct tissue regeneration. This process minimizes scarring and involves epithelial cell migration and collagen synthesis.

Choice B rationale

Granulation tissue formation is characteristic of secondary intention healing. In this method, wounds heal from the base upward, requiring granulation tissue to fill the wound bed before epithelialization occurs.

Choice C rationale

Scab formation indicates that healing is in progress but does not specifically represent primary intention. Scabs form during secondary or tertiary healing phases to protect the underlying tissue.

Choice D rationale

Serous drainage is associated with the inflammatory phase of wound healing and does not signify primary intention. Excessive drainage may indicate impaired healing or infection.

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A nurse is preparing to administer heparin 250 units/kg subcutaneously to a client who weighs 150 lb. The heparin is available in a prefilled syringe containing 10,000 units/mL. How many mL should the nurse administer?

Nursing Test Bank

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