A client with no history of cardiovascular disease comes into the ambulatory clinic with flu-like symptoms. The client suddenly complains of chest pain. Which of the following questions would best help a nurse to discriminate pain caused by a non-cardiac problem? A. “Have you ever had this pain before?” B. “Can you describe the pain… Read More »
The physician refers the client with unstable angina for a cardiac catheterization. The nurse explains to the client that this procedure is being used in this specific case to: A. Open and dilate the blocked coronary arteries. B. Assess the extent of arterial blockage. C. Bypass obstructed vessels. D. Assess the… Read More »
As an initial step in treating a client with angina, the physician prescribes nitroglycerin tablets, 0.3mg given sublingually. This drug’s principal effects are produced by: A. Antispasmodic effect on the pericardium. B. Causing an increased myocardial oxygen demand. C. Vasodilation of peripheral vasculature. D. Improved conductivity in the myocardium. … Read More »
The nurse teaches the client with angina about the common expected side effects of nitroglycerin, including: A. Headache B. High blood pressure C. Shortness of breath D. Stomach cramps Correct Answer: A. Headache Because of the widespread vasodilating effects, nitroglycerin often produces such side effects as headache,… Read More »
Sublingual nitroglycerin tablets begin to work within 1 to 2 minutes. How should the nurse instruct the client to use the drug when chest pain occurs? A. Take one (1) tablet every two (2) to five (5) minutes until the pain stops. B. Take one (1) tablet and rest for ten (10) minutes.… Read More »
Which of the following arteries primarily feeds the anterior wall of the heart? A. Circumflex artery B. Internal mammary artery C. Left anterior descending artery D. Right coronary artery Correct Answer: C. Left anterior descending artery The left anterior descending artery is the primary source of blood… Read More »
When do coronary arteries primarily receive blood flow? A. During inspiration B. During diastolic C. During expiration D. During systole Correct Answer: B. During diastolic Although the coronary arteries may receive a minute portion of blood during systole, most of the blood flow to coronary arteries is… Read More »
Prolonged occlusion of the right coronary artery produces an infarction in which of the following areas of the heart? A. Anterior B. Apical C. Inferior D. Lateral Correct Answer: C. Inferior The right coronary artery supplies the right ventricle or the inferior portion of the heart. Therefore,… Read More »
A murmur is heard at the second left intercostal space along the left sternal border. Which valve is this? A. Aortic B. Mitral C. Pulmonic D. Tricuspid Correct Answer: C. Pulmonic Abnormalities of the pulmonic valve are auscultated at the second left intercostal space along the left… Read More »
Which of the following blood tests is most indicative of cardiac damage? A. Troponin I B. Complete blood count (CBC) C. Creatine kinase (CK) D. Lactate dehydrogenase Correct Answer: A. Troponin I Troponin I levels rise rapidly and are detectable within 1 hour of myocardial injury. Troponin levels aren’t… Read More »