Barrons ccrn - Study guides, Class notes & Summaries

The nurse is caring for a patient with acute inferior wall MI, post-coronary artery stent deployment. For optimal care of the patient, the nurse should: a) administer an analgesic for acute back pain b) Apply pressure dressing to groin c) Continuously monitor the patient in lead II d) Maintain the patient in a supine position - Answer: C It is best practice to continuously monitor the patient status post PCI with stent, in the lead that was most abnormal during the acute occlusion. Lead I...

Ventilation CORRECT ANSWER-movement of air in and out of the lungs Central control (brain stem): primary control CORRECT ANSWER-1. Senses blood pH, a decrease in pH(acidosis) stimulates ventilation 2. Decrease pH = acidosis results in increase rate and/or depth of breathing Peripheral control (PaO2 "sensors in aortic arch): secondary control CORRECT ANSWER-1. Senses PaO2 of blood, decrease in PaO2 (hypoxemia) stimulates ventilation ^ rate/depth of breathing **Chronic PaCO2 retainers rel...

BARRONS CCRN Exam latest Questions and Answers.BARRONS CCRN Exam latest Questions and Answers.

BARRONS CCRN Exam latest Questions and Answers.BARRONS CCRN Exam latest Questions and Answers.

S3 occurs where and when? CORRECT ANSWER heard best at the apex of the heart right after S2 what is S3 associated with? CORRECT ANSWER Heart failure, Pulmonary hypertension, cor pulmonale, and mitral/aortic/tricuspid insufficiency what is S3? CORRECT ANSWER rapid rush of blood into a dilated ventricle what is S4? CORRECT ANSWER atrial constriction of blood into a non-compliant ventricle Where and when does S4 occur? CORRECT ANSWER Best heard over the apex with the bell right before S...

Functional unit of the kidneys CORRECT ANSWER-Nephrons -Each kidney has ~1 million nephrons, and each nephron has a vascular system and a tubular system How are the kidneys affected when blood pressure drops CORRECT ANSWER-Renal perfusion is decreased, and the compensatory response at the level of the nephrons occur --*Afferent arterioles DILATE*- increasing flow to the glomerular capillaries AND *efferent arterioles CONSTRICT*- decreasing flow from the glomerular capillaries This result...

Which clinical sign might patients with both systolic and diastolic heart failure have in common? a) Peripheral edema b) Enlarged heart size on chest radiograph c) Lung crackles d) Ejection fraction less than 40% - Answer: C Both a problem with ejection (systolic failure) and a problem with filling (diastolic failure) will increase left heart pressure and cause cardiogenic pulmonary edema (lung crackles). The remaining three choices are associated with systolic heart failure rather than d...

etiology of aneurysms - arteriosclerosis HTN smoking/obesity bacterial infections congenital defects Trauma Marfan's syndrome (connective tissue disorder) what other defect can cause systolic murmurs? - ventricular septal defect (heard on the left sternal border) relievers for Unstable angina? what do labs look like? ECG? - Nitroglycerin. Troponin negative. ST depression or T wave inversion. what does a decrease in systolic pressure mean if diastolic doesn't change? - This = narrowi...

Gastrointestinal concepts Barrons CCRN Exam Questions and Answers RUQ - Answer- pyloris duodenum liver right kidney and adrenal glands hepatic flexure of the colon head of the pancreas LUQ - Answer- stomach spleen Left kidney and adrenal gland splenic flexure of the colon body of the pancreas RLQ - Answer- cecum appendix LLQ - Answer- sigmoid colon Accounts for approximately 80% of acute GI bleeding - Answer- upper GI bleeding - peptic ulcer disease - esophageal - stress ulcer...

Gastrointestinal concepts Barrons CCRN Exam Questions and Answers RUQ - Answer- pyloris duodenum liver right kidney and adrenal glands hepatic flexure of the colon head of the pancreas LUQ - Answer- stomach spleen Left kidney and adrenal gland splenic flexure of the colon body of the pancreas RLQ - Answer- cecum appendix LLQ - Answer- sigmoid colon Accounts for approximately 80% of acute GI bleeding - Answer- upper GI bleeding - peptic ulcer disease - esophageal - stress ulcer...