Ccrn practice questions Study guides, Class notes & Summaries

CRITICAL CARE REGISTERED NURSE (CCRN) - CCRN Practice Questions section D 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 ...

CRITICAL CARE REGISTERED NURSE (CCRN) - CCRN Practice Questions section C A 47-year-old male has been admitted to the CCU from the emergency room with a history of sudden diaphoresis, nausea, vomiting and radiating pain down his left arm. He reports no significant medical history, and has been a two PPD smoker since his early twenties. His admitting diagnosis is UA/NSTEMI and he is being prepped for cardiac catheterization for possible angioplasty with stent placement. What type of medication o...

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 – Endocrine with Complete Solutions 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 - Answer- Correct answer: c Rationale: In DKA there is an absolute insulin deficiency that causes glycogenolysis and gluconeogenesis. The gluconeogenesis causes the incomplete breakdown of f...

pH 7.40, PaCO2 40 mm Hg, PaO2 62 mm Hg The case study shows stage II asthma. Option c shows stage III asthma. The patient is still breathing at a fast rate, but carbon dioxide is starting to be retained as evidenced by the increase of the PaCO2 into normal range. Options a and b are still stage II. Option d shows a respiratory alkalosis with a metabolic acidosis because you would have expected the pH to be in an alkalotic range with the PaCO2 of 30. A patient experiencing alcohol withdrawa...

CCRN Practice Questions – Endocrine with Complete Solutions 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 - Answer- Correct answer: c Rationale: In DKA there is an absolute insulin deficiency that causes glycogenolysis and gluconeogenesis. The gluconeogenesis causes the incomplete breakdown of f...

CCRN Practice Questions - Cardiovascular with correct Answers

CCRN PRACTICE QUESTIONS AND ANSWERS.

CCRN PRACTICE QUESTIONS AND ANSWERS

CCRN PRACTICE QUESTIONS AND ANSWERS