When a patient is taking an adrenergic agonist drug, the nurse expects to observe which effect?
Constricted pupils
Increased heart rate
Bronchial constriction
Increased GI peristalsis
The Correct Answer is B
A. Constricted pupils: Adrenergic agonist drugs typically cause pupil dilation (mydriasis), not constriction.
B. Increased heart rate: Adrenergic agonists stimulate the sympathetic nervous system, leading to increased heart rate (positive chronotropic effect) and increased cardiac contractility (positive
inotropic effect).
C. Bronchial constriction: Adrenergic agonists typically cause bronchodilation, not constriction.
D. Increased GI peristalsis: Adrenergic agonists usually inhibit GI motility, leading to decreased GI peristalsis and potentially constipation
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Dantrolene injection, a skeletal muscle relaxant: The patient is exhibiting signs of malignant hyperthermia, a potentially life-threatening complication of anesthesia. Dantrolene is the primary treatment for malignant hyperthermia as it acts as a skeletal muscle relaxant, reducing muscle rigidity and hypermetabolism associated with the condition.
B. Cardiopulmonary resuscitation (CPR) and intubation: While the patient is experiencing significant physiological distress, initiating CPR and intubation would be premature without first addressing the underlying cause, which appears to be malignant hyperthermia.
C. An anticholinesterase drug, such as neostigmine: Anticholinesterase drugs like neostigmine are not indicated for the treatment of malignant hyperthermia.
D. Naltrexone hydrochloride injection, an opioid reversal drug: Naltrexone is used for opioid overdose reversal and is not appropriate for the treatment of malignant hyperthermia.
Correct Answer is ["15"]
Explanation
Given:
Amantadine syrup concentration: 50 mg/5 mL Desired dose of amantadine: 150 mg
5ml contains 50mg
1ml contains 50/5= 10mg Given 10mg is in 1ml
Then 150mg will be contained in: 150/10
=15ml
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