ATI RN
ATI Capstone Pharmacology Assessment 1 and 2 Questions
Question 1 of 5
What is the evaluation of medication e昀昀ectiveness of senna?
Correct Answer: C
Rationale: Senna is a natural laxative commonly used to relieve constipation. Its primary mechanism of action is to stimulate the muscles in the intestines, leading to increased contractions and bowel movements. The evaluation of medication effectiveness for senna would typically focus on its ability to promote bowel movements and alleviate constipation. This would manifest as patients experiencing solid, formed bowel movements after taking senna. The options of decreased GI pain and irritation, healing of ulcers, and prevention of nausea and vomiting are not the primary expected outcomes when evaluating the effectiveness of senna as a medication for constipation.
Question 2 of 5
A patient is in the intensive care unit because of an acute myocardial infarction. He is experiencing severe ventricular dysrhythmias. The nurse will prepare to give which drug of choice for this dysrhythmia?
Correct Answer: C
Rationale: Amiodarone is the drug of choice for treating severe ventricular dysrhythmias, such as those seen in patients with acute myocardial infarction. It is effective in treating both ventricular tachycardia and ventricular fibrillation. Amiodarone works by prolonging the action potential duration and refractory period in cardiac tissues, thereby helping to stabilize the heart's electrical activity. Diltiazem and Verapamil are calcium channel blockers that are not typically used for treating ventricular dysrhythmias. Adenosine is primarily used for treating supraventricular tachycardias.
Question 3 of 5
The patient is prescribed an ACE inhibitor. What primary mechanism of ACE inhibitors will the nurse understand as the therapeutic action?
Correct Answer: C
Rationale: The primary mechanism of ACE inhibitors is to inhibit the production of angiotensin II, a potent vasoconstrictor that also stimulates the release of aldosterone. By inhibiting angiotensin II production, ACE inhibitors decrease aldosterone secretion. Aldosterone is a hormone that plays a key role in regulating blood pressure and fluid balance in the body. Inhibiting aldosterone secretion helps to reduce blood pressure by decreasing sodium and water retention, ultimately leading to vasodilation and lower blood pressure levels.
Question 4 of 5
Which patient-teaching instructions are appropriate for a patient taking an antidysrhythmic drug? (Select all that apply.)
Correct Answer: A
Rationale: A. Do not chew or crush extended-release forms of medication. - This instruction is important to ensure the medication is delivered in a controlled manner over an extended period.
Question 5 of 5
Which of the following is a nonsteroidal anti-inflammatory agent with a tendency to produce bone marrow depression?
Correct Answer: D
Rationale: Phenylbutazone is a nonsteroidal anti-inflammatory drug (NSAID) known for its potential to cause bone marrow depression. Bone marrow depression is a serious side effect that can lead to decreased production of blood cells, including white blood cells, red blood cells, and platelets. This can result in an increased risk of infections, anemia, and bleeding disorders. Therefore, phenylbutazone should be used cautiously and under close monitoring to avoid this complication. Aspirin, Colchicine, Ibuprofen, and Acetaminophen are not typically associated with causing bone marrow depression as a side effect.