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A nurse is performing a preoperative drug history on a client who is admitted to the hospital for surgery. To evaluate the risk of hemorrhage, the nurse will ask the client about antiplatelet and anticoagulant medications as well as which dietary supplement?

A.

St. John's Wort

B.

Coenzyme Q-10

C.

Ginkgo biloba

D.

Ma Huang

Answer and Explanation

The Correct Answer is C

A) St. John's Wort is not typically associated with an increased risk of bleeding.

B) Coenzyme Q-10 is not known to have significant anticoagulant or antiplatelet effects.

C) Ginkgo biloba is a dietary supplement that may increase the risk of bleeding, and its use should be assessed preoperatively. 

D) Ma Huang (ephedra) is associated with cardiovascular stimulation rather than anticoagulant effects. 


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Related Questions

Correct Answer is ["0.3"]

Explanation

  1. Convert the ordered dose from micrograms (mcg) to milligrams (mg):

    • 300 mcg = 0.3 mg (since 1 mg = 1000 mcg)

  2. Use the formula:
    Dose to administer = (Desired Dose ÷ On-Hand Dose) × Quantity Available

    • Desired Dose (D) = 0.3 mg
    • On-Hand Dose (H) = 1 mg
    • Quantity Available (Q) = 1 mL

  3. Calculate:
    0.3 mg ÷ 1 mg × 1 mL = 0.3 mL

The nurse should administer 0.3 mL of the medication.

Correct Answer is B

Explanation

A) Bradycardia is not typically associated with long-term steroid use; it may be more related to factors like anesthesia or surgical stress.

B) Prolonged steroid use increases the risk of thrombosis, and postoperative blood clots are a concern in individuals with a history of long-term steroid use.

C) Steroids can delay wound healing, but in this context of emergency surgery for a ruptured appendix, the primary concern is often the risk of blood clots.

D) Pre-surgical dehydration is a potential concern but is not specifically related to the client's history of steroid use.

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