Nokea
Choose a drug that does not cause bradycardia:
- A. Clonidine
- B. Guanethidine
- C. Hydralazine causes reflex tactycardia
- D. Propranolol
Correct Answer: C
Rationale: Hydralazine causes reflex tachycardia, not bradycardia.
You may also like to solve these questions
Which of the following drugs do not cross the placenta
- A. Dilantin
- B. Diazepam
- C. Acinocoumarin
- D. Heparin
Correct Answer: D
Rationale: Heparin does not cross the placenta due to its large size.
The primary action of loop diuretics is to:
- A. Inhibit sodium and chloride reabsorption in the loop of Henle.
- B. Block aldosterone receptors in the distal tubule.
- C. Increase osmolarity of the renal tubular fluid.
- D. Inhibit sodium reabsorption in the proximal tubule.
Correct Answer: A
Rationale: Loop diuretics like furosemide inhibit Na+/Cl- reabsorption in the loop of Henle, increasing urine output.
A patient wants to know about the possible interactions of the various drugs that he has been prescribed for an illness. The nurse explains that the drugs interact with each other and produce an effect that is greater than the sum of their separate actions. Which of the following reactions is the nurse informing about?
- A. Additive drug reaction
- B. Synergistic drug reaction
- C. Antagonistic drug reaction
- D. Toxic drug reaction
Correct Answer: B
Rationale: A synergistic drug reaction occurs when drugs interact with each other and produce a sum greater than the sum of their separate actions. An additive drug reaction occurs when the combined effect of two drugs is equal to the sum of each drug given alone. An antagonistic drug reaction occurs when one drug interferes with the action of another, causing neutralization or a decrease in the effect of one drug. Toxic drug reactions are caused when blood concentration levels exceed the therapeutic levels of a drug.
Pharmacoeconomics is:
- A. The study of the part of the U.S. economy
- B. The study of the impact of prescription drug costs on the overall economy
- C. The analysis of the costs and consequences of any health-care-related treatment or service
- D. The analysis of the clinical efficacy of the drug
Correct Answer: C
Rationale: Pharmacoeconomics evaluates costs and outcomes of health-care interventions.
A nurse is providing discharge teaching to a client who has a new prescription for Fluoxetine for PTSD. Which of the following statements should the nurse include in the teaching?
- A. You may have a decreased desire for intimacy while taking this medication.
- B. You should take this medication at bedtime to help promote sleep.
- C. You will have fewer urinary adverse effects if you urinate just before taking this medication.
- D. You'll need to wear sunglasses when outdoors due to the light sensitivity caused by this medication.
Correct Answer: A
Rationale: Fluoxetine can decrease libido , a common SSRI side effect to inform clients about.