Ccrn Aacn Review Study Question And Answers Grade A Certified

Cardiac Output (Formula & normal range) - CORRECT ANSWERS(HR X SV) 4-8L/min Stroke volume (Components of & normal range) - CORRECT ANSWERS(Preload, afterload, contractility) 60-100ml/beat Norm CVP - CORRECT ANSWERS0-5. Optimal varies (10) PAOP normal range - CORRECT ANSWERS6-12, 14-18 in critically ill A technetium scan helps to determine - CORRECT ANSWERSExtent and location of MI. (Appear as hot spots) Av node is supplied by which coronary - CORRECT ANSWERSRCA Second degree heart block type I is a block at the... - CORRECT ANSWERSAV node (Inferior MI/RCA) Second degree heart block type II is a block at the... - CORRECT ANSWERSBundle of his (Anterior MI) BP difference of 25mmHg between arms indicates - CORRECT ANSWERSDissecting Aorta A wide notched p-wave indicates... - CORRECT ANSWERSLeft atrial enlargment When pulmonary arterial diastolic pressure (PAd) is more than 5 mm Hg higher than pulmonary artery occlusive pressure (PAOP), it signals which abnormal condition? - CORRECT ANSWERSPulmonary hypertension Define oversensing - CORRECT ANSWERSThe pacemaker senses the T wave or other inappropriate signals and is inhibited. On a pulmonary artery waveform, the dicrotic notch represents closure of which valve - CORRECT ANSWERSThe aortic valve For every change in pH of ______, the potassium moves how many mEq/L in which direction? - CORRECT ANSWERSFor every change in pH of 0.1, the potassium moves 0.5 mEq/L in the opposite direction Acidosis causes potassium to ________ the cell and _______ serum potassium levels, whereas alkalosis causes potassium to ______ the cell and _______ serum potassium - CORRECT ANSWERSAcidosis causes potassium to leave the cell and increases serum potassium levels, whereas alkalosis causes potassium to enter the cell and decreases serum potassium