Which of the following drugs is least likely to be prescribed to patients with prostatic hypertrophy,glaucoma coronary and cerebrovascular disease?

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Nursing Cardiovascular Drug List Quizlet Questions

Question 1 of 5

Which of the following drugs is least likely to be prescribed to patients with prostatic hypertrophy,glaucoma coronary and cerebrovascular disease?

Correct Answer: A

Rationale: The correct answer is A: Amitriptyline. Amitriptyline is a tricyclic antidepressant that can worsen symptoms in patients with prostatic hypertrophy, glaucoma, coronary, and cerebrovascular disease due to its anticholinergic effects. It can cause urinary retention in prostatic hypertrophy, increase intraocular pressure in glaucoma, and exacerbate cardiovascular conditions. Paroxetine, Bupropion, and Fluoxetine are generally safer options as they have less anticholinergic effects and are less likely to exacerbate these conditions.

Question 2 of 5

Inhaled anesthetics and intravenous agents having general anesthetic properties:

Correct Answer: A

Rationale: Rationale: Inhaled anesthetics and intravenous agents with general anesthetic properties directly activate GABAA receptors. GABAA receptors are inhibitory neurotransmitter receptors in the brain. Activation of GABAA receptors leads to hyperpolarization of the neuron, resulting in decreased neuronal excitability and ultimately producing the anesthetic effect. Summary: A: Direct activation of GABAA receptors is correct as it aligns with the mechanism of action of general anesthetics. B: Facilitating GABA action but not directly acting on GABAA receptors is incorrect as direct activation is necessary for the anesthetic effect. C: Reducing glutamatergic neurotransmission is incorrect as it is not the primary mechanism of action for general anesthetics. D: Increasing the duration of opening of nicotine-activated potassium channels is incorrect as it is not related to the mechanism of action of general anesthetics.

Question 3 of 5

Indicate the drug which is a leucotriene receptor antagonist:

Correct Answer: B

Rationale: The correct answer is B: Zafirlucast, a leucotriene receptor antagonist. Leukotrienes are inflammatory mediators in asthma. Zafirlucast specifically blocks the action of leukotrienes by binding to their receptors, reducing inflammation and bronchoconstriction. Sodium cromoglycate (A) is a mast cell stabilizer, not a leukotriene receptor antagonist. Zileutin (C) inhibits 5-lipoxygenase, an enzyme involved in leukotriene synthesis. Triamcinolone (D) is a corticosteroid that acts through a different anti-inflammatory mechanism.

Question 4 of 5

All of the following physiologic reactions are involved in the control of bleeding EXCEPT:

Correct Answer: C

Rationale: The correct answer is C: Activation of the antifibrinolytic system. This system is involved in clot dissolution, not bleeding control. Platelet adhesion, release, and triggering the coagulation process are essential physiological reactions that help control bleeding by forming a stable blood clot. Platelet adhesion allows platelets to stick to the site of injury, platelet release releases factors that promote clot formation, and triggering the coagulation process leads to the formation of fibrin strands that strengthen the clot. Therefore, choices A, B, and D are involved in the control of bleeding, while choice C is not.

Question 5 of 5

This drug is a Class IC antiarrhythmic drug:

Correct Answer: A

Rationale: Step 1: Class IC antiarrhythmic drugs work by blocking sodium channels to slow down conduction in the heart. Step 2: Flecainide is a Class IC antiarrhythmic drug that specifically blocks sodium channels effectively. Step 3: Sotalol (Choice B) is a Class III antiarrhythmic drug that blocks potassium channels. Step 4: Lidocaine (Choice C) is a Class IB antiarrhythmic drug that also blocks sodium channels, but it is not a Class IC drug. Step 5: Verapamil (Choice D) is a calcium channel blocker and not a Class IC antiarrhythmic drug. Summary: Flecainide (Choice A) is the correct answer as it is a Class IC antiarrhythmic drug that blocks sodium channels, while the other choices are different classes of antiarrhythmics with different mechanisms of action.

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