The health care provider prescribes scopolamine for a client who is planning to take cruise and is concerned about motion sickness. What information in the past medical history would serve as a contraindication for this medication?
Peptic ulcer
Asthma
Heart disease
Glaucoma
The Correct Answer is D
A) Peptic ulcer: Scopolamine is an anticholinergic medication that works by blocking acetylcholine, which can reduce nausea and motion sickness. While scopolamine can have anticholinergic effects that may slightly reduce gastric motility, it is not directly contraindicated in clients with a history of peptic ulcer. The medication does not significantly exacerbate the condition of peptic ulcers.
B) Asthma: While scopolamine can have anticholinergic effects that may lead to dry mouth and slight airway narrowing, it is not contraindicated in clients with asthma. However, the nurse should be cautious and monitor the client for any signs of respiratory distress, as anticholinergic medications can cause some bronchial smooth muscle relaxation, which could theoretically worsen asthma symptoms. It is not an absolute contraindication.
C) Heart disease: Scopolamine is not specifically contraindicated for individuals with heart disease, although caution should be used in patients with cardiovascular conditions due to its potential effects on heart rate and blood pressure. However, heart disease itself is not a direct contraindication for the use of scopolamine.
D) Glaucoma: Scopolamine is an anticholinergic medication, and anticholinergics can increase intraocular pressure. This is especially dangerous for clients with narrow-angle glaucoma, as the medication can exacerbate the condition, leading to a potential acute glaucoma attack. Therefore, individuals with a history of glaucoma, particularly narrow-angle glaucoma, should avoid scopolamine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Cut the 50 mcg/hr patch in half to obtain 25 mcg/hr dosing: Cutting a fentanyl patch in half is not recommended because it can lead to inconsistent dosing. The patches are designed to release medication at a controlled rate, and cutting them could cause the medication to be released too quickly or unevenly, which could result in overdose or insufficient relief of pain. It’s essential to follow the manufacturer's guidelines and avoid altering the patch.
B) Ask pharmacy to send a 25 mcg/hr transdermal patch: The best course of action is to ask the pharmacy to send the correct 25 mcg/hr transdermal patch. This ensures that the patient receives the prescribed dose in the most accurate and safe manner. The 25 mcg/hr patch is formulated to deliver the correct amount of medication, and it will avoid any risk associated with altering the patch.
C) Contact the healthcare provider and request to increase the dose to 50 mcg/hr: Requesting an increase in the dose is premature without a clear justification from the healthcare provider. The healthcare provider decreased the dose to 25 mcg/hr for a reason, possibly due to side effects, effectiveness, or other clinical factors. Altering the prescribed dose without a proper review would be inappropriate. The nurse should follow the current prescribed dose and resolve the issue by requesting the correct patch from the pharmacy.
D) Remove the previous patch and apply the 50 mcg/hr patch in a different location: Switching to the 50 mcg/hr patch without approval could lead to administering an incorrect dose of fentanyl, which can increase the risk of overdose or severe side effects like respiratory depression. The nurse should adhere to the prescribed 25 mcg/hr dose and request the correct patch from the pharmacy rather than substituting with a higher dose patch.
Correct Answer is ["12"]
Explanation
1. Convert the child's weight from pounds to kilograms:
There are approximately 2.2 pounds in 1 kilogram.
33 pounds / 2.2 pounds/kg = 15 kg (approximately)
2. Calculate the total milligrams of amoxicillin needed per dose:
The order is for 20 mg/kg/dose.
The child weighs 15 kg.
20 mg/kg * 15 kg = 300 mg
3. Determine the concentration of the amoxicillin suspension:
The label shows the concentration is 125 mg/5 mL.
4. Set up a proportion to find the volume (in mL) needed:
125 mg / 5 mL = 300 mg / x mL
5. Solve for x:
Cross-multiply: 125x = 300 * 5
125x = 1500
x = 1500 / 125
x = 12 mL
Answer: You will administer 12 mL per dose.
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