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In which of the following conditions should decongestants be used with caution?

A.

Diabetes

B.

Hypertension

C.

Allergic rhinitis

D.

Hyperthyroidism

E.

Heart disease

Answer and Explanation

The Correct Answer is B

Choice A rationale
While diabetes is a serious condition, it is not specifically contraindicated with the use of decongestants. However, as with any medication, it should be used with caution in individuals with diabetes, and any changes in blood glucose levels should be monitored.
Choice B rationale
Decongestants should be used with caution in individuals with hypertension. Decongestants work by constricting blood vessels to reduce swelling and congestion. This constriction can also affect blood vessels throughout the body, potentially raising blood pressure.
Choice C rationale
Allergic rhinitis is actually one of the conditions that decongestants are commonly used to treat. They work by reducing the swelling in the nasal passages, relieving the symptoms of congestion.
Choice D rationale
Hyperthyroidism is a condition that can be exacerbated by the use of decongestants. The increased metabolic rate associated with hyperthyroidism can intensify the stimulant effects of decongestants, potentially leading to increased heart rate and blood pressure.
Choice E rationale
Heart disease is another condition where caution is needed when using decongestants. The vasoconstrictive action of decongestants can increase the workload of the heart, potentially exacerbating symptoms in individuals with heart disease.
 


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Related Questions

Correct Answer is D

Explanation

Step 1:

1000 mL ÷ 5 hours = 200 mL/hour

Step 2:

200 mL/hour ÷ 60 minutes = (200 ÷ 60) mL/minute = 3.33 mL/minute

Step 3:

3.33 mL/minute × 15 drops/mL = 49.95 drops/minute

Answer:

200 mL/hour and 50 drops/minute (rounded to the nearest whole number)

Correct Answer is B

Explanation

The correct answer is B. 10 units of Humulin R insulin in a 500-unit insulin syringe.

Choice A rationale: This choice is incorrect because a 100-unit syringe would not be able to hold enough U-500 insulin (5 times more concentrated) to deliver the prescribed 10 units. Using a 100-unit syringe could lead to an inaccurate dose.

Choice B rationale: This choice is correct. U-500 Humulin R insulin is a concentrated form containing 5 times more insulin per milliliter compared to U-100 insulin. Therefore, a 500-unit syringe is appropriate to measure the prescribed 10 units accurately.

Choice C rationale: This choice is incorrect. A 30-unit syringe would not have the capacity to hold even the 10 units of U-500 insulin. It would be impossible to draw up the correct dose with this syringe size.

Choice D rationale: This choice is incorrect. Similar to choice A, a 50-unit syringe is not suitable for U-500 insulin due to its limited capacity. It would lead to an inaccurate measurement of the 10-unit dose.

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