What is do2 - Study guides, Class notes & Summaries

CCRN QUESTIONS EXAM NEWEST 2024 EXAM QUESTIONS AND CORRECT ANSWERS VERIFIED ANSWERS ALREADY GRADED A+ What effect does oxygen have on pulmonary vasculature? What efect does hypoxemia have?? - ANSWER-o2 is a potent vasodilator hypoxemia will cause vasoconstriction How to you calculate do2?? - ANSWER-The DO2I is calculated as CaO2 (that is, SaO2 × Hgb × 1.34) × (CI × 10), What heart sound is anssociated with angina - ANSWER-s4 (associated with decreased LV compliance - hypertrophy, ischemi...

Hondros Bio 117 Lecture 10 Ch. 16 and 17 questions and answers latest update 2024/2025 The heart is found in the _____________ cavity, specifically contained inside the mediastinum - correct answer Thoracic Where is the heart positioned where? - correct answer In between both lunge and slightly to the left of the midline The base of the heart is located where? - correct answer The 2nd rib The apex of the heart is located where? - correct answer 5th intercostal space Endocardium ...

Shock Correct Answer-Physiological state of inadequate cellular oxygenation Cellular phenomenon What is shock a result of? Correct Answer-Ineffective tissue perfusion What does shock result in? Correct Answer-widespread cellular dysfunction and death What is the purpose of tissue perfusion? Correct Answer-Oxygen Delivery for Oxygen consumption Supply oxygen to the cells Oxygen delivery (DO2) is necessary in order for what to take place.. Correct Answer-Oxygen consumption (VO2) ...

Which of the following would be the earliest auscultators finding in left ventricular failure (LVF)? A. Crackles B. S3 C. Murmur of mitral regurgitation D. Pericardial friction rub - Answer - B. S3 LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, maintenance fluids, and antibiotics by the catheter. He has been slightly confused...

(Solved with Rationales) Pass CCRN test bank. Which of the following would be the earliest auscultatory finding in left ventricular failure (LVF)? A. Crackles B. S3 C. Murmur of mitral regurgitation D. Pericardial friction rub B. S3 LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, maintenance fluids, and antibiotics by the catheter. He has ...

Which of the following would be the earliest auscultatory finding in left ventricular failure (LVF)? A. Crackles B. S3 C. Murmur of mitral regurgitation D. Pericardial friction rub correct answers B. S3 LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, maintenance fluids, and antibiotics by the catheter. He has been slightly confused. Suddenly h...

A patient is admitted after an ischemic stroke. She articulates well but does not understand what is being said to her. She has damage to Wernicke's area is located in the dominant temporal lobe and is responsible for comprehension of spoken and written language. Broca's area is located in the dominant frontal lobe and is responsible for the ability to express language. A woman, age 35 years, reports the feeling that her heart is racing out of her chest, shortness of breath, and dizziness o...

CFRN Questions and Answers Already Passed What htz would you expect to see flicker vertigo? 5-20 htz Will see at slower speeds such as shutdown & idle. At 18,000 ft, mean sea level 380 tore, what is the partial pressure of oxygen? 80 Atmospheric pressure * 0.21 = partial pressure of O2 360 * .21 PO2 Partial pressure of O2 in the ENVIRONMENT. PAO2 Partial pressure of O2 in ALVEOLI. PaO2 Partial pressure of O2 in ARTERIAL blood. How many total ATP are there at the end of the electron trans...

Which of the following would be the earliest auscultators finding in left ventricular failure (LVF)? A. Crackles B. S3 C. Murmur of mitral regurgitation D. Pericardial friction rub - Answer - B. S3 LVF would be the most subtle because early changes are usually subtle changes. Choose "S3." A patient with a triple-lumen subclavian catheter has been receiving total parenteral nutrition, maintenance fluids, and antibiotics by the catheter. He has been slightly confused...

Ashman phenomenon is a predisposition for aberrancy when which of the following occurs? A. A long P-P interval is followed by a short P-P interval. B. A short P-P interval is followed by a long P-P interval. C. A short R-R interval is followed by a long R-R interval. D. A long R-R interval is followed by a short R-R interval. - correct answer D Ashman phenomenon occurs when a short cycle follows a long cycle. Refractory periods are related to cycle length. When a short cycle follo...