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A nurse is preparing to administer enoxaparin 0.75 mg/kg subcutaneously to a client who weighs 154 lb. The amount available is enoxaparin 60 mg/0.6 mL. How many mL should the nurse administer?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.).

A.

0.4 mL.

B.

0.5 mL.

C.

0.8 mL.

D.

1.0 mL.

Answer and Explanation

The Correct Answer is B

Let's break down the calculation:

Given:

  • Patient weight: 154 lbs
  • Enoxaparin dosage: 0.75 mg/kg
  • Available enoxaparin: 60 mg/0.6 mL

Step 1: Convert pounds to kilograms:

  • 1 lb is approximately 0.4536 kg
  • So, 154 lbs = 154 * 0.4536 kg/lb = 69.85 kg (approximately 70 kg)

Step 2: Calculate the total dose of enoxaparin:

  • Desired dose = 0.75 mg/kg * 70 kg = 52.5 mg

Step 3: Determine the volume to administer:

  • We have enoxaparin 60 mg/0.6 mL
  • To find the volume for 52.5 mg:
    • (52.5 mg / 60 mg) * 0.6 mL = 0.525 mL
    • Rounded to the nearest tenth, this is 0.5 mL.

Therefore, the nurse should administer 0.5 mL of enoxaparin


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Correct Answer is B

Explanation

Choice A rationale:
Is not a safe fall prevention strategy. Securing cords under carpeting can create tripping hazards. It is better to keep cords away from commonly used walking paths or use cord covers to prevent falls.
Choice B rationale:
Purchasing a skid-proof bathtub mat is a good fall-prevention strategy for an older adult client. It helps prevent slipping and falling in the bathroom, which is a common area for accidents in older adults.
Choice C rationale:
Is not a recommended fall prevention strategy. Leather soles can be slippery on smooth surfaces, increasing the risk of falls. Instead, the client should wear shoes with rubber soles that provide better traction.
Choice D rationale:
Is not the best option. Throw rugs, even with rubber backing, can still shift or bunch up, posing a tripping hazard. It's safer to avoid using throw rugs altogether or ensure they are firmly secured to the floor.

Correct Answer is B

Explanation

Choice A rationale:

Hemoptysis, which is the coughing up of blood, is not typically associated with a urinary tract infection (UTI). It is more commonly related to respiratory or pulmonary issues.

Choice B rationale:

Hematuria, the presence of blood in the urine, is a common finding in a UTI. Inflammation and infection in the urinary tract can lead to the presence of blood cells in the urine.

Choice C rationale:

Hyperglycemia, an elevated blood glucose level, is not directly related to a UTI. It may be seen in individuals with diabetes, but it is not a typical finding in a UTI.

Choice D rationale:

Hypocalcemia, a low level of calcium in the blood, is not a characteristic finding in a UTI. UTIs primarily affect the urinary system and do not directly involve calcium metabolism.

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