JB Learning test prep Questions With Complete Solutions

The middle layer of the heart is called the: correct answer: Myocardium A right ventricular infarction is characterized by: correct answer: ST-segment elevation greater than 1mm in V4R and ST-segment elevation in leads I, II, & aVF A right-sided ECG is indicated in patients who present with: correct answer: ECG evidence of an inferior infarction Which of the following is NOT a benefit of a properly worn seat belt? correct answer: Minimal risk of whiplash injuries after a rear-end collision When administering fluid boluses to an elderly patient in shock, it is especially important to monitor his or her: correct answer: lung sounds ACE inhibitor medications lower BP by: correct answer: blocking the conversion of Ang I to Ang II Applying direct pressure to a bleeding wound stops the flow of blood because: correct answer: it allows platelets to seal the vascular walls A "run" of ventricular tachycardia occurs if at least __________ PVC's occur in a row correct answer: three Insulin and Glucagon are produced in specialized groups of cells in the pancreas known as the: correct answer: islets of Langerhans Stimulation of the sympathetic nervous system causes: correct answer: diaphoresis Relative bradycardia during neurogenic shock occurs because: correct answer: sympathetic nervous system is not stimulated to release catecholamines A superficial burn is: correct answer: characterized by reddened skin with varying degrees of pain. Following 2 minutes of CPR, you reassess an unresponsive man's pulse and cardiac rhythm. He remains pulseless and the monitor displays coarse VF. You should: correct answer: resume CPR as the defibrillator is charging You are caring for a 33 year-old woman who is 35 weeks pregnant and fell down a flight of stairs. Full spinal precautions have been taken, the patient is receiving high-flow oxygen, and a patient IV line is in place. During transport, you reassess her and note she has become diaphoretic, tachycardic, and tachypneic. You should: correct answer: Tilt her to the left side