ATI RN
Cardiovascular Drugs Quiz Questions
Question 1 of 5
Which of the following antianginal agents is a myotropic coronary dilator:
Correct Answer: A
Rationale: Step 1: Dipyridamole is a phosphodiesterase inhibitor that increases cyclic adenosine monophosphate (cAMP), leading to coronary vasodilation. Step 2: Myotropic agents act directly on vascular smooth muscle to cause vasodilation. Step 3: Dipyridamole's mechanism fits the definition of a myotropic coronary dilator. Summary: Atenolol (C) is a beta-blocker that works by blocking beta-adrenergic receptors. Validol (B) is a menthol-based preparation for angina relief. Alinidine (D) is a selective I1-agonist used for hypertension, not as a coronary dilator.
Question 2 of 5
Iodide preparations can be used in following situations EXCEPT:
Correct Answer: D
Rationale: The correct answer is D because iodism refers to the adverse effects of excessive iodine intake, not a situation where iodide preparations are used. A: Iodide is used in thyroid disorders to regulate thyroid hormone production. B: Iodide can be used in granulomatous lesions like Syphilis due to its anti-inflammatory properties. C: Iodide is used as an antiseptic due to its antimicrobial properties. In summary, iodide preparations are used in various medical conditions except for causing iodism.
Question 3 of 5
Glucocorticoids are hormonal steroids:
Correct Answer: D
Rationale: Step 1: Glucocorticoids are a class of hormonal steroids. Step 2: They have important effects on intermediary metabolism, cardiovascular function, growth, and immunity. Step 3: Glucocorticoids also have salt-retaining activity. Step 4: Some glucocorticoids may exhibit androgenic or estrogenic activity. Therefore, the correct answer is D, as all the statements in choices A, B, and C are true regarding the characteristics of glucocorticoids. Choices A, B, and C are incorrect because glucocorticoids are not limited to just one specific function or activity.
Question 4 of 5
Anaphylactic shock is a severe, sometimes fatal allergic reaction characterized by a sharp drop in blood pressure, urticaria, and breathing difficulties that is caused by exposure to a foreign substance, such as a drug or bee venom, after preliminary or sensitizing exposure. This consideration is:
Correct Answer: A
Rationale: The correct answer is A because anaphylactic shock is indeed a severe allergic reaction characterized by a drop in blood pressure, urticaria, and breathing difficulties triggered by exposure to an allergen after previous sensitizing exposure. This description matches the definition of anaphylactic shock, making the statement true. The other choices are incorrect because stating it is false (B), all encompassing (C), or none of the above (D) does not align with the specific characteristics and causes of anaphylactic shock.
Question 5 of 5
Hypovitaminosis is an insufficiency of one or more essential vitamins. This consideration is:
Correct Answer: A
Rationale: Step-by-step rationale for why choice A is correct: 1. Hypovitaminosis is defined as an insufficient level of essential vitamins in the body. 2. Therefore, it is true that hypovitaminosis represents an inadequacy of one or more essential vitamins. 3. This condition can lead to various health issues due to the deficiency of vital nutrients. 4. Choice B is incorrect as it contradicts the definition of hypovitaminosis. 5. Choices C and D are also incorrect as they do not accurately reflect the definition of hypovitaminosis.