Ccrn practice quest Study guides, Class notes & Summaries

CRITICAL CARE REGISTERED NURSE (CCRN) - CCRN Practice Questions section B A 52-year-old accountant is admitted to the critical care unit with frank gastrointestinal bleeding for more than 18 hours. He has had a blood loss of more than 1000 mL. Which of the following sets of vital signs would be consistent with the patient's blood loss? A. Blood pressure (BP) 100/84 mm Hg, heart rate 124 beats/min B. BP 86/40 mm Hg, heart rate 92 beats/min C. BP 124/66 mm Hg, heart rate 124 beats/min D. BP 112...

CCRN PRACTICE QUESTIONS AND ANSWERS

A patient in the ED with complaints of chest pain. The 12-lead EKG shows ST elevation in leads V3 and V4. Occlusion of the affected coronary artery most likely would affect perfusion to which portion of the conduction system? A. Sinoatrial (SA) node B. Bachmann's bundle C. Atrioventricular (AV) node D. Bundle of His correct answers LAD so D. bundle of his Which of the following is the preferred lead for ST segment monitoring for a patient with a suspected RCA occlusion? A.I B. a...

CCRN PRACTICE QUESTIONS WITH COMPLETE SOLUTIONS 100%CCRN PRACTICE QUESTIONS WITH COMPLETE SOLUTIONS 100%

CCRN PRACTICE QUESTIONS (2022/2023) Already Passed A patient in the ED with complaints of chest pain. The 12-lead EKG shows ST elevation in leads V3 and V4. Occlusion of the affected coronary artery most likely would affect perfusion to which portion of the conduction system? A. Sinoatrial (SA) node B. Bachmann's bundle C. Atrioventricular (AV) node D. Bundle of His LAD so D. bundle of his Which of the following is the preferred lead for ST segment monitoring for a patient with a suspected...

CCRN PRACTICE QUESTIONS WITH CERTIFIED ANSWERS/SOLUTIONS A 62-year-old man is admitted with chest pain. His electrocardiogram reveals ST segment elevation and T wave inversion in leads V1 to V4. Aspirin has been given, and morphine titration and nitroglycerin infusion are used to relieve his chest pain. The patient suddenly develops a loud holosystolic murmur at the lower left sternal border, chest pain, and hypotension 5 days after his myocardial infarction. A pulmonary artery catheter is inse...

CCRN Practice Questions – Endocrine Questions and Answers 100% Solved Which laboratory values would differentiate diabetic ketoacidosis (DKA) from a hyperosmolar hyperglycemic state (HHS)? a. Serum glucose of 600 mg/dL b. Serum potassium of 4 mEq/L c. Positive serum ketones d. Serum osmolality of 320 mOsm/L Correct answer: c Rationale: In DKA there is an absolute insulin deficiency that causes glycogenolysis and gluconeogenesis. The gluconeogenesis causes the incomplete breakdown of free f...

A patient is in cardiac and respiratory arrest. The selection of medications to reestablish cardiac function would stimulate the sympathetic nervous system beta1 receptors. This stimulation would result in increased automaticity and which of the following? a. Increased myocardial contractility b. Decreased left ventricular stroke work c. Decreased myocardial oxygen consumption d. Increased left ventricular afterload Correct answer: a Rationale: The sympathetic nervous system contains alpha...

CCRN PRACTICE QUESTIONS AND ANSWERS.

CCRN PRACTICE QUESTIONS AND ANSWERS