A client presents at the clinic with a dry nonproductive cough. The client is diagnosed with bronchitis, and it has been determined that assistance is needed in thinning the sputum so the cough can become productive.
What does the nurse expect the provider will prescribe?
Benzonatate.
Dextromethorphan.
Dextromethorphan.
Guaifenesin.
The Correct Answer is D
Guaifenesin is an expectorant that helps thin and loosen mucus in the lungs, making it easier to cough up the sputum. Some possible explanations for the other choices are:
Choice A. Benzonatate is wrong because benzonatate is an antitussive that suppresses the cough reflex by numbing the throat and lungs.
It does not help with sputum production or clearance.
Choice B. Dextromethorphan is wrong because dextromethorphan is also an antitussive that acts on the brain to reduce the urge to cough.
It does not affect the mucus or bronchial secretions.
Choice C. Hydrocodone is wrong because hydrocodone is a narcotic antitussive that works by binding to opioid receptors in the brain and spinal cord, blocking pain signals and decreasing cough.
It can cause sedation, respiratory depression, and dependence, and is not indicated for bronchitis.
Normal ranges for sputum production vary depending on the individual and the cause of the cough, but generally range from 10 to 100 mL per day.
Excessive or abnormal sputum may indicate an infection, inflammation, or obstruction of the airways.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Levothyroxine is a synthetic form of thyroxine, the hormone that the thyroid gland normally produces.It is used to treat hypothyroidism by replacing the missing hormone and restoring the normal metabolism.
Some explanations for the other choices are:
• Choice B. Thyroid desiccated is a natural thyroid hormone derived from animal thyroid glands.
It contains both T4 and T3 hormones, which may cause side effects or complications in some people with hypothyroidism.It is not recommended as a first-line treatment for hypothyroidism.
• Choice C. Methimazole is an antithyroid drug that blocks the production of thyroid hormones.
It is used to treat hyperthyroidism, not hypothyroidism.Giving methimazole to someone with hypothyroidism would worsen their condition.
• Choice D. Liothyronine is a synthetic form of T3, the active thyroid hormone.
It is sometimes used in combination with levothyroxine to treat hypothyroidism, but it is not a standard treatment.It has a shorter half-life and more variable effects than levothyroxine, and it may increase the risk of cardiac arrhythmias or osteoporosis.
Normal ranges for thyroid function tests vary depending on the laboratory and the method used, but generally they are:
• TSH: 0.4 to 4.0 mIU/L
• Free T4: 0.8 to 2.0 ng/dL
• Free T3: 2.3 to 4.2 pg/mL
Correct Answer is A
Explanation
Diaphoresis means excessive sweating, which is one of the symptoms of hypoglycemia. Hypoglycemia occurs when the blood sugar level is lower than the normal range, which can cause dizziness, confusion, weakness, hunger, and other signs.
Choice B is wrong because flushing of the face is not a symptom of hypoglycemia.
Flushing can be caused by other conditions, such as fever, allergic reactions, or rosacea.
Choice C is wrong because fruity breath is a symptom of hyperglycemia, not hypoglycemia.
Hyperglycemia means high blood sugar level, which can cause the body to produce ketones that give the breath a fruity odor.
Choice D is wrong because unpredictable behaviors are not a specific symptom of hypoglycemia.
However, hypoglycemia can cause confusion, irritability, or anxiety, which may affect the behavior of some people.
The normal range of blood sugar level for most people is between 70 and 130 mg/dL (3.9 and 7.2 mmol/L) before meals and less than 180 mg/dL (10 mmol/L) after meals.
However, this may vary depending on the individual and the type of diabetes.
It is important to monitor the blood sugar level regularly and treat hypoglycemia promptly by eating or drinking a simple sugar source.
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