



Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025NU 578 UNIT EXAM 3 PREP USA NU578 Exam 3 Latest Updated 2024/2025
Typology: Exams
1 / 5
This page cannot be seen from the preview
Don't miss anything!
A 76-year-old retired postal worker with rheumatoid arthritis and chronic heart disease presents with a cardiac arrhythmia and is being considered for treatment with procainamide. She is already receiving an ACE inhibitor, digoxin, and hydrochlorothiazide for her cardiac condition. 1. In deciding on a treatment regimen with procainamide for this patient, which of the following statements is most
digoxin blood levels should be obtained before and after starting procainamide. (B) Hyperkalemia should be avoided to reduce the likelihood of procainamide toxicity. (C) Procainamide cannot be used if the patient has asthma because it has a β-blocking effect. (D) Procainamide cannot be used if the patient has angina because it has a β- agonist effect. (E) Procainamide is not active by the oral route. The answer is B If this patient should take an overdose and manifest severe acute procainamide toxicity with markedly prolonged QRS, which of the following should be given immediately?
(B) Adenosine (C) Nitroprusside (D) Potassium chloride (E) Sodium lactate The answer is E A 54-year-old airline pilot is admitted to the emergency department with chest pain and a rapid heart rhythm. The ECG shows an inferior myocardial infarction and ventricular
interval in normal sinus rhythm (B) Increases action potential duration (C) Increases contractility (D) Often causes liver function abnormalities (E) Reduces resting potential The answer is B A 36-year-old woman with a history of poorly controlled thyrotoxicosis has recurrent episodes of tachycardia with severe shortness of breath. During elective surgery to remove her thyroid, she develops a heart rate of 200 with a slightly decreased blood
Amiodarone (B) Disopyramide (C) Esmolol (D) Quinidine (E) Verapamil
The answer is C A 16-year-old girl has paroxysmal attacks of rapid heart rate with palpitations and shortness of breath. These episodes occasionally terminate spontaneously but often require a visit to the emergency department of the local hospital. Her ECG during these
(B) Amiodarone (C) Flecainide (D) Propranolol (E) Verapamil The answer is E A 55-year-old man is admitted to the emergency department and is found to have an abnormal ECG. Overdose of an antiarrhythmic drug is considered. Which of the
Quinidine: Increased PR and decreased QT intervals (B) Flecainide: Increased QRS interval (C) Verapamil: Decreased PR interval (D) Lidocaine: Decreased QRS and PR interval (E) Metoprolol: Increased QRS duration The answer is B A 60-year-old woman comes to the emergency department with atypical chest pain. Her ECG reveals ventricular tachycardia with rare normal sinus beats, and ST-segment elevation. Troponin C levels are markedly increased, suggesting myocardial damage. A diagnosis of myocardial infarction is made, and the woman is admitted to the cardiac
(B) Digoxin (C) Lidocaine (D) Quinidine (E) Verapamil The answer is C Which of the following drugs slows conduction through the AV node and has a duration
(B) Amiodarone (C) Diltiazem (D) Esmolol (E) Flecainide (F) Lidocaine (G) Mexiletine (H) Procainamide (I) Quinidine. The answer is A
(D) Mannitol (E) Spironolactone THE ANSWER IS A Which of the following is an important effect of chronic therapy with loop diuretics?
(B) Elevation of blood pressure (C) Elevation of pulmonary vascular pressure (D) Metabolic alkalosis (E) Teratogenic action in pregnancy The answer is D Which drug is correctly associated with its actions in the following table? (+ indicates
acidosis Which of the following diuretics would be most useful in the acute treatment of a
(B) Amiloride (C) Chlorthalidone (D) Furosemide (E) Mannitol Answer E A 62-year-old man with advanced prostate cancer is admitted to the emergency department with mental obtundation. An electrolyte panel shows a serum calcium of 16.5 (normal 8.5-10.5 mg/dL). Which of the following therapies would be most useful in
saline infusion (B) Furosemide plus saline infusion (C) Hydrochlorothiazide plus saline infusion (D) Mannitol plus saline infusion (E) Spironolactone plus saline infusion Answer is B A 60-year-old patient complains of paresthesias and occasional nausea associated with one of the drugs she is taking. She is found to have hyperchloremic metabolic acidosis.
(B) Amiloride for edema associated with aldosteronism (C) Furosemide for severe hypertension and heart failure (D) Hydrochlorothiazide for hypertension (E) Mannitol for cerebral edema Answer is A
A 70-year-old woman is admitted to the emergency department because of a "fainting spell" at home. She appears to have suffered no trauma from her fall, but her blood pressure is 120/60 when lying down and 60/20 when she sits up. Neurologic examination and an ECG are within normal limits when she is lying down. Questioning reveals that she has recently started taking "water pills" (diuretics) for a heart condition.
(B) Amiloride (C) Furosemide (D) Hydrochlorothiazide (E) Spironolactone The answer is C A 58-year-old woman with lung cancer has abnormally low serum osmolality and hyponatremia. A drug that increases the formation of dilute urine and is used to treat
(B) Amiloride (C) Desmopressin (D) Ethacrynic acid (E) Furosemide (F) Hydrochlorothiazide (G) Mannitol (H) Spironolactone (I) Triamterene (J) Tolvaptan The answer is J A graduate student is planning to make a high-altitude climb in South America while on vacation. He will not have time to acclimate slowly to altitude. A drug that is useful in
(B) Amiloride (C) Demeclocycline (D) Desmopressin (E) Ethacrynic acid The answer is A