A patient is prescribed Flexeril (cyclobenzaprine) for muscle spasms. Which of the following is the most common side effect that the nurse should educate the patient about?
Tinnitus
Drowsiness
Diarrhea
Palpitations
The Correct Answer is B
Choice A reason: Tinnitus is a rare side effect of Flexeril, which is a medication that relaxes the muscles and relieves pain and stiffness¹. Tinnitus is a ringing or buzzing sound in the ears that can be caused by various factors, such as ear infections, noise exposure, or certain medications. Flexeril does not affect the auditory system directly, but it can cause confusion or dizziness, which may worsen the perception of tinnitus.
Choice B reason: Drowsiness is the most common side effect of Flexeril, which is a medication that relaxes the muscles and relieves pain and stiffness¹. Drowsiness occurs because Flexeril has sedative and anticholinergic properties, which means that it blocks the action of acetylcholine, a neurotransmitter that regulates arousal and alertness. Flexeril can impair the mental and physical abilities, especially in elderly patients or those who take other medications that cause drowsiness¹. The nurse should educate the patient about the risk of drowsiness and advise them to avoid driving or operating machinery while taking Flexeril.
Choice C reason: Diarrhea is not a common side effect of Flexeril, which is a medication that relaxes the muscles and relieves pain and stiffness¹. Diarrhea is a condition that causes loose or watery stools, which can be caused by various factors, such as infections, food intolerance, or certain medications. Flexeril does not affect the gastrointestinal system directly, but it can cause dry mouth, nausea, or constipation, which may alter the bowel movements¹.
Choice D reason: Palpitations are not a common side effect of Flexeril, which is a medication that relaxes the muscles and relieves pain and stiffness¹. Palpitations are a sensation of rapid or irregular heartbeat, which can be caused by various factors, such as stress, anxiety, caffeine, or certain medications. Flexeril does not affect the cardiac system directly, but it can lower the blood pressure or interact with other medications that affect the heart rate, such as betablockers or antidepressants¹.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Allergy is an immune mediated reaction to a substance that causes symptoms such as rash, itching, swelling, or anaphylaxis. It is not related to the duration or effectiveness of the medication. The patient does not report any signs of allergy to the opioids.
Choice B reason: Addiction is a chronic and compulsive disorder that involves seeking and using a substance despite harmful consequences. It is characterized by loss of control, craving, and impaired functioning. The patient does not show any signs of addiction to the opioids, such as increasing the dose, obtaining the medication illegally, or neglecting other responsibilities.
Choice C reason: Withdrawal is a syndrome that occurs when a substance is abruptly discontinued or reduced after prolonged use. It causes physical and psychological symptoms such as anxiety, agitation, sweating, nausea, or tremors. The patient does not experience any signs of withdrawal from the opioids, as they are still taking the medication as prescribed.
Choice D reason: Tolerance is a phenomenon that occurs when a substance loses its effectiveness over time due to repeated exposure. It requires higher doses or more frequent administration to achieve the same effect. The patient reports a sign of tolerance to the opioids, as they feel that the medication does not work as well anymore. The nurse should assess the patient's pain level, monitor the opioid dose, and consult with the prescriber about possible adjustments or alternatives.
Correct Answer is D
Explanation
Choice A reason: Distribution is not the correct term to describe the movement of a drug from its site of administration to the bloodstream. Distribution is the process by which a drug moves from the bloodstream to the tissues and organs of the body. Distribution depends on factors such as blood flow, tissue permeability, plasma protein binding, and tissue binding. Distribution occurs after the drug has been absorbed into the bloodstream, and it determines how much drug reaches the site of action.
Choice B reason: Metabolism is not the correct term to describe the movement of a drug from its site of administration to the bloodstream. Metabolism is the process by which a drug is chemically transformed in the body, usually by enzymes in the liver or other tissues. Metabolism can affect the activity, duration, and elimination of a drug. Metabolism occurs after the drug has been absorbed into the bloodstream, and it can occur before or after the drug reaches the site of action.
Choice C reason: Excretion is not the correct term to describe the movement of a drug from its site of administration to the bloodstream. Excretion is the process by which a drug or its metabolites are eliminated from the body. Excretion can occur through various routes, such as urine, feces, sweat, or breath. Excretion occurs after the drug has been absorbed into the bloodstream, and it can occur before or after the drug reaches the site of action.
Choice D reason: Absorption is the correct term to describe the movement of a drug from its site of administration to the bloodstream. Absorption is the process by which a drug enters the bloodstream from the site of administration. Absorption depends on factors such as the route of administration, the dose, the formulation, and the bioavailability of the drug. Absorption is the first step of pharmacokinetics, and it determines how much and how fast a drug reaches the bloodstream and the site of action.
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