A common side effect of beta blockers is:
cough
hypotension
anxiety
elevated heart rate
The Correct Answer is B
A) Cough:
Cough is more commonly associated with angiotensin-converting enzyme (ACE) inhibitors, such as enalapril or lisinopril, rather than with beta blockers. ACE inhibitors can cause a persistent dry cough due to the accumulation of bradykinin. Beta blockers do not generally have a direct effect on causing cough, so this is not a typical side effect of beta blockers.
B) Hypotension:
Hypotension (low blood pressure) is a common and well-documented side effect of beta blockers. Beta blockers, such as metoprolol, atenolol, and propranolol, work by blocking beta-adrenergic receptors, leading to a reduction in heart rate and the force of heart contractions, which can lower blood pressure. In patients with already low blood pressure or those receiving other antihypertensive medications, this effect may be more pronounced and could lead to symptomatic hypotension, such as dizziness or lightheadedness.
C) Anxiety:
Anxiety is not a common side effect of beta blockers. In fact, beta blockers are sometimes prescribed to manage symptoms of anxiety, particularly for physical symptoms like palpitations and tremors. However, anxiety may worsen in some individuals due to other factors, such as the psychological impact of dealing with heart disease, but this is not a typical side effect of beta blockers.
D) Elevated heart rate:
Beta blockers work to decrease heart rate by blocking the effects of adrenaline (epinephrine) on beta-adrenergic receptors. This leads to a slower heart rate and reduced workload on the heart. Therefore, elevated heart rate is not a common side effect of beta blockers. In fact, if the heart rate becomes too low (bradycardia), this can be a concerning side effect, but it is the opposite of an elevated heart rate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) 6 Units Regular Insulin sub-cut:
According to the sliding scale, a blood glucose level of 164 mg/dL would not fall within the range requiring 6 units of insulin. The 6-unit dose is for blood glucose levels between 301-490 mg/dL. Since the client's reading of 164 mg/dL is lower than 181 mg/dL, this dosage is not applicable.
B) 2 Units Regular Insulin sub-cut:
This is also incorrect. The 2-unit dose is prescribed for blood glucose levels between 181-240 mg/dL. Since the client's reading is 164 mg/dL, it falls below this range, so 2 units is not appropriate.
C) 0.5 Units Regular insulin sub-cut:
This is not correct because there is no provision in the sliding scale for administering 0.5 units of insulin. The scale provides dosing for specific ranges and does not include fractional doses. Additionally, the blood glucose reading of 164 mg/dL does not require any insulin according to the prescribed sliding scale.
D) No coverage:
According to the sliding scale, a blood glucose level of 164 mg/dL falls within the 0-180 mg/dL range, which specifies no coverage or insulin administration. The sliding scale clearly indicates that no insulin is needed when the blood glucose level is within this range.
Correct Answer is ["A","B","C"]
Explanation
A) Vomiting:
Vomiting is a common symptom of digoxin toxicity. It occurs as a result of the toxic effects of digoxin on the gastrointestinal system. It is often one of the first symptoms that precede more severe signs of toxicity, such as arrhythmias and changes in vision. Vomiting, nausea, and anorexia are classic early signs of digoxin toxicity.
B) Nausea:
Nausea is another early sign of digoxin toxicity. It occurs due to the direct effects of the drug on the gastrointestinal tract and the central nervous system. Along with vomiting, nausea is a frequently observed symptom and often occurs before more severe manifestations like arrhythmias or confusion.
C) Blurred Vision:
Blurred vision, or seeing yellow or green halos around lights, is a hallmark sign of digoxin toxicity. This visual disturbance occurs due to the effect of digoxin on the optic nerve and the retina. This symptom is particularly important in identifying digoxin toxicity, as it is not commonly seen in other conditions.
D) Headache:
While headache may occur in a variety of clinical conditions, it is not typically a direct symptom of digoxin toxicity. Although some patients may experience headache due to general discomfort or the effects of vomiting and nausea, it is not a classic or primary indicator of digoxin toxicity. Therefore, headache is not as strongly associated with digoxin toxicity as vomiting, nausea, and blurred vision are.
E) Muscle aches:
Muscle aches are not a typical symptom of digoxin toxicity. While generalized weakness may occur due to the cardiac effects of digoxin, muscle aches are not specifically associated with toxicity.
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