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A nurse is providing teaching to a client who is to receive a series of allergy tests. The nurse should instruct the client to avoid which of the following medications for up to 4 weeks before the procedure?

A.

Acetaminophen

B.

Pseudoephedrine hydrochloride

C.

Diphenhydramine

D.

Albutero

Answer and Explanation

The Correct Answer is C

A. Acetaminophen: Acetaminophen is not an antihistamine and does not typically interfere with allergy testing. It can be safely continued before the procedure. 
B. Pseudoephedrine hydrochloride: Pseudoephedrine is a decongestant and does not directly interfere with the results of allergy testing. It is not necessary to avoid pseudoephedrine for this purpose. 
C. Diphenhydramine: Diphenhydramine is an antihistamine and should be avoided for up to 4 weeks before allergy testing to ensure accurate results. Other antihistamines should also be discontinued for the same duration. 
D. Albuterol: Albuterol is a bronchodilator and does not interfere with the results of allergy testing. It can be continued before the procedure.
 


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Related Questions

Correct Answer is B

Explanation

A. Anxiety disorder: Anxiety disorder is generally not a contraindication for the use of oral contraceptives. However, it's essential to consider the overall health of the individual and potential interactions with medications used to manage anxiety.
B. History of deep-vein thrombosis (Correct Answer): A history of deep-vein thrombosis (DVT) is a significant contraindication to the use of oral contraceptives. Estrogen-containing contraceptives can increase the risk of blood clot formation, and individuals with a history of DVT are at an elevated risk for thrombotic events.
C. Ovarian cysts: Ovarian cysts alone are not a contraindication for oral contraceptives. In fact, oral contraceptives are sometimes prescribed to help regulate menstrual cycles and prevent the formation of certain types of ovarian cysts.
D. Client age of 36 years: Age alone is not a strict contraindication for oral contraceptives. However, as women age, especially beyond 35 years, healthcare providers may consider other risk factors such as smoking, hypertension, and cardiovascular health when prescribing oral contraceptives.

Correct Answer is ["400"]

Explanation

Step 1: Determine the Total Volume Needed

  • Supplied concentration: 300 mg/100 mL
  • Prescribed dose: 300 mg
  • Total volume needed = 100 mL

Step 2: Convert Time to Hours

  • Prescribed infusion time = 15 minutes
  • 15 minutes ÷ 60 minutes/hour = 0.25 hours

Step 3: Calculate the Infusion Rate (mL/hr)

  • Infusion rate = Total volume (mL) ÷ Time (hours)
  • Infusion rate = 100 mL ÷ 0.25 hours
  • Infusion rate = 400 mL/hr

The nurse should set the IV pump to deliver cimetidine at 400 mL/hr (rounded to the nearest whole number).

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