Nokea
What is a side effect of Heparin?
- A. nausea
- B. diarrhea
- C. bleeding
- D. bronchospasms
Correct Answer: C
Rationale: A common side effect of Heparin, which is an anticoagulant medication, is the risk of bleeding. Heparin works by preventing the formation of blood clots, which can lead to a bleeding risk as it inhibits the normal clotting process. Patients taking Heparin should be monitored closely for signs of bleeding, such as easy bruising, prolonged bleeding from minor cuts, or blood in the urine or stools. It is important for healthcare providers to closely monitor patients on Heparin therapy and adjust the dosage as needed to minimize the risk of excessive bleeding.
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ACE inhibitors…
- A. Block the vasoconstrictor and aldosterone from producing effects of angiotensin II at the receptor site
- B. Blocks stimulation of beta 1 and beta 2 at the receptor sites
- C. Blocks the conversion of angiotensin I to the vasoconstrictor angiotensin II
- D. None of the above
Correct Answer: A
Rationale: ACE inhibitors, such as enalapril and lisinopril, work by blocking the enzyme angiotensin-converting enzyme (ACE), which is responsible for converting angiotensin I into angiotensin II. By inhibiting this conversion, ACE inhibitors prevent the vasoconstrictor and aldosterone-stimulating effects of angiotensin II at the receptor sites. This leads to vasodilation, decreased blood pressure, and reduced aldosterone secretion. This mechanism of action makes ACE inhibitors an important class of medications for managing conditions such as hypertension, heart failure, and chronic kidney disease.
Depression that occurs during cold winter months would be classified as
- A. baby blues
- B. bipolar disorder
- C. seasonal affective disorder
- D. obsessive-compulsive disorder
Correct Answer: C
Rationale: Seasonal affective disorder (SAD) ties depression to winter-less light, per psychiatry-unlike baby blues (postpartum), bipolar (cycles), or OCD (obsessions). SAD's seasonal link defines it, matching symptoms.
A patient has been taking digoxin at home but took an accidental overdose and has developed toxicity. The patient has been admitted to the telemetry unit, where the physician has ordered
- A. . The patient asks the nurse why the medication is ordere
- B. What is the nurse™s best response?
- C. It will increase your heart rat
- D.
Correct Answer: B
Rationale: The correct response is to inform the patient that the medication, likely an antiarrhythmic agent such as digoxin immune fab (Digibind), helps to convert the irregular heart rhythm caused by digoxin toxicity to a more normal rhythm. This explanation provides a clear understanding of why the medication is being administered in cases of digoxin toxicity. It is important for the nurse to educate the patient about the purpose of the medication and how it will help manage the symptoms of digoxin toxicity.
The specificity of the adrenergic blocking agents allows the clinician to select a drug to do what?
- A. Have the desired effect
- B. Multiply undesired effects
- C. Increase specificity with higher serum blood levels
- D. Improving concentration in the body
Correct Answer: A
Rationale: This specificity allows the clinician to select a drug that will have the desired therapeutic effects without the undesired effects that occur when the entire sympathetic nervous system is blocked. In general, however, the specificity of adrenergic blocking agents depends on the concentration of drug in the body. Most specificity is lost with higher serum drug levels. The nurse should understand the importance of drug specificity to ensure safe and effective administration.
Acyclovir has been ordered for a patient with genital herpes. Which nursing interventions are appropriate for this patient? (Select all that apply.)
- A. Monitor the patient’s blood urea nitrogen and creatinine.
- B. Monitor the patient’s blood pressure for hypertension.
- C. Administer intravenous acyclovir over 30 minutes.
- D. Advise maintenance of adequate fluid intake.
Correct Answer: A
Rationale: Acyclovir can cause nephrotoxicity, so monitoring blood urea nitrogen (BUN) and creatinine levels is essential. Hypertension is not a common side effect of acyclovir. Intravenous acyclovir should be administered over at least 1 hour to prevent renal toxicity. Adequate fluid intake helps prevent crystalluria and nephrotoxicity.