CEN Exam Review Questions and Answers

1. A pt present to the ED with complaints of chest pain. The 12-lead EKG reveals ST segment elevation in leads I and aVL. The initial BP is 112/69 and decreases to a systolic of 60 mmHg following a dose of nitroglycerin 0.4mg SL. The next most appropriate intervention is to: A. Complete a fi...

Increased tendency of the tissues to hold water in the extra-cellular space is called as 1.Cutaneous edema 2.Lymphedema 3.Myxedema 4.Peripheral edema 5.Pitting edema Ans- Correct Answer: C. Myxedema Explanation: In myxedema, edema occurs because of an increased tendency of the tissues to ...

Acids do what to body tissue? Ans- Cause a coagulation type necrosis Alkalis do what to body tissue? Ans- Liquify tissue on contact What do radiation RAYS cause? Ans- Internal contamination, minimal surface damage (decreases risk to caregivers) What do radiation PARTICLES cause? Ans- These ...

Kehr's sign Ans- Referred pain down the left shoulder; indicative of a ruptured spleen. Homan's sign Ans- pain in *calf upon dorsiflexion* of foot and may indicate DVT Cullen's sign Ans- superficial edema and bruising in the subcutaneous fatty tissue around the umbilicus caused by pancreat...

What is a pericardial friction rub? Ans- often heard over the sternal border. The inflammation causes a grating, scraping or leather-rubbing sound Is pericarditis more common in adults or children? Ans- Adults What positions aggravate pericarditis? Ans- lying flat on the left side, coughing a...

Ehler Danlos Syndrome puts patients at high risk for what? Ans- Aortic aneurysm and dissection Jervell and Lange-Nielsen syndrome puts patients at high risk for what? Ans- Long QT Initial defibrillation dose for pediatric patient Ans- 2 joules per kg then 4 joules, increasing up to 10 joules S...

Interosseus sites for peds Ans- sternum, distal femur, proximal tibia ( common), Medial malleolus, iliac crest common risk factor for bowel obstruction Ans- abdominal surgery Cushing's response Ans- TRIAD:indicates impending herniation. Elevated BP, widening pulse pressure, bradycardia He...