The use of diuretics in the treatment of heart failure may lead to what condition?
Fluid retention.
Hypotension.
Hyperglycemia.
Diarrhea.
The Correct Answer is B
Diuretics are medicines that help the kidneys get rid of excess water and salt, which can ease the symptoms of heart failure, such as breathlessness and swelling. However, diuretics may also lower the blood pressure by reducing the blood volume and the cardiac output. This can cause symptoms such as dizziness, fatigue, or fainting. Hypotension is defined as a systolic blood pressure lower than 90 mmHg or a diastolic blood pressure lower than 60 mmHg.
Choice A is wrong because fluid retention is the opposite of what diuretics do. Diuretics increase the urine output and decrease the fluid accumulation in the body.
Choice C is wrong because hyperglycemia is not a common side effect of diuretics. Hyperglycemia is a condition where the blood sugar level is too high. Diuretics may affect the blood sugar level in some cases, but usually not significantly.
Choice D is wrong because diarrhea is not a typical side effect of diuretics.
Diarrhea is a condition where the stool is loose and watery. Diuretics may cause some gastrointestinal discomfort, such as nausea or cramps, but not diarrhea.
Normal ranges for blood pressure are 120/80 mmHg for systolic/diastolic in healthy adults, and 140/90 mmHg or higher for hypertension. Normal ranges for blood sugar are 70-100 mg/dL for fasting glucose, and less than 140 mg/dL for postprandial glucose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Nitroglycerin transdermal patches are used to prevent episodes of angina (chest pain) in people who have coronary artery disease (narrowing of the blood vessels that supply blood to the heart).Nitroglycerin is a vasodilator that works by relaxing the blood vessels so that the heart does not need to work as hard and therefore does not need as much oxygen.However, if nitroglycerin is used continuously, the body may develop tolerance to its effects, meaning that it will not work as well to prevent angina attacks.Therefore, it is important to remove the patch at bedtime and apply a new one in the morning, leaving a 10-12 hour nitrate-free interval.This way, the body can restore its sensitivity to nitroglycerin and avoid angina episodes during the day.
Choice A is wrong because allergic response is not a common reason to remove the patch at night.Although some people may experience skin irritation or rash from the patch, this is usually mild and does not require discontinuation of the medication.If the skin reaction is severe or bothersome, the patch can be applied to a different area of the skin or switched to another form of nitroglycerin.
Choice C is wrong because overdose is unlikely to occur from using the patch as prescribed.Nitroglycerin patches come in doses ranging from 0.1 milligrams per hour to 0.8 mg/hr, and should be placed on clean, dry, and hairless skin for 12-14 hours and removed for 10-12 hours.If a patch loosens or falls off, it should be replaced with a fresh one.Overdose symptoms may include severe headache, dizziness, blurred vision, nausea, vomiting, sweating, chest pain, fast or irregular heartbeat, difficulty breathing, fainting, or seizures.If these occur, the patch should be removed immediately and medical attention should be sought.
Choice D is wrong because management of BPH (benign prostatic hyperplasia) is not related to nitroglycerin use.
BPH is a condition
Correct Answer is A
Explanation
Dry mouth is a common adverse effect of anticholinergic agents used to treat overactive bladder syndrome (OAB).Anticholinergic agents prevent involuntary contractions of the bladder detrusor muscle by blocking the action of acetylcholine, a neurotransmitter that stimulates the muscle.However, anticholinergics are not tissue specific, and they also affect other parts of the body where acetylcholine is involved, such as the salivary glands, the gastrointestinal tract, and the eyes.
Choice B is wrong because restlessness is not a typical side effect of anticholinergic agents.In fact, anticholinergics can cause sedation and drowsiness in some people.
Choice C is wrong because increased salivation is the opposite of what anticholinergics do.Anticholinergics reduce the secretion of saliva, causing dry mouth.
Choice D is wrong because diarrhea is also the opposite of what anticholinergics do.Anticholinergics slow down the movement of the gastrointestinal tract, causing constipation.
Some other possible adverse effects of anticholinergic agents include blurred vision, urinary retention, confusion, memory impairment, and increased risk of dementia and mortality.
Therefore, these drugs should be used with caution and under medical supervision.
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