Complete Package Deal For CEN Exam Study Questions and Answers with Verified Solutions Graded A 2024

Preload refers to: a. The volume of blood entering the left side of the heart b. The volume of blood entering the right side of the heart c. The pressure in the venous system that the heart must overcome to pump the blood d. The pressure in the arterial system that the heart must overcome to p...

Which of the following statements made by a patient would lead the nurse to conclude that the patient understands risk factors for pulmonary embolism? While on a long flight, I should get up and walk to stretch my legs every hour. Resuming my birth control pills will lower my risk of cancer and ...

Right ventricular infarction (RVI) lead changes - II, III, AVF R ventricular infarction s/s - clear breath sounds, hypotension, JVD. R ventricular dilation and dec contractility>> dec preload and CO Reperfusion therapy standard - Within 60 min of ED arrival Common causes of PEA - Hyp...

MAP calculation - [( 2xDBP) + SBP] / 3 cushing's triad - widened pulse pressure, bradycardia, and irregular respirations (indicative of increased ICP) chronotropes - affect the heart rate at the SA node (cardizem) inotropes - affect contractility (dopamine) dromotropes - affect automat...

Which of the following statements made by a patient would lead the nurse to conclude that the patient understands risk factors for pulmonary embolism? A. While on a long flight, I should get up and walk to stretch my legs every hour. B. Resuming my birth control pills will lower my risk of cance...

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

Which dysrhythmia would be identified on an ECG/EKG six-second strip by a heart rate of 76 and a PR interval of 0.24? tachycardia -degree atrioventricular block bradycardia ional escape rhythm - B: First-degree atrioventricular block is diagnosed partially by an EKG showing a PR interval of gr...

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

The nurse is caring for a patient who has a high fever, central nervous system dysfunction and tachycardia. The nurse should recognize that the patient may be experiencing A. myxedema crisis. B. Beck's triad. C. thyroid storm. D. hyperosmolar hyperglycemic nonketotic syndrome (HHNS). - C. Thy...

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

Right ventricular infarction (RVI) lead changes - II, III, AVF R ventricular infarction s/s - clear breath sounds, hypotension, JVD. R ventricular dilation and dec contractility>> dec preload and CO Reperfusion therapy standard - Within 60 min of ED arrival Common causes of PEA - Hyp...

1. A pt presents to the ED experiencing an anterior ST segment elevation MI. The pts vital signs are normal. The hospital is not equipped with a cardaic catheterization lab. The pt can be transferred to a cardaic catheterization lab within 60 mins. Which of the following would you anticipate for thi...

1. A pt presents who had experienced chest pain but is now pain free. EKG's have been repeated twice, and troponin levels repeated at 4 hour intervals are within normal limits. The pt has no significant risk factor for heart disease. The nurse anticipates: A. Admission to the ICU to rule out MI ...

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 fibrinol...