What does preload reflect - Study guides, Class notes & Summaries

CFRN Exam 609 Questions with Verified Answers What is atmospheric pressure at sea level? - CORRECT ANSWER 760mmHg (or 760 torr) T/F: Atmospheric pressure and barometric pressure are essentially the same thing, just using a different unit of measure. - CORRECT ANSWER True (think measuring same item in inches and then measuring it in cm) How many atmospheres (or ATMs) are at sea level? - CORRECT ANSWER 1 atmosphere/ATM at sea level What is barometric pressure? - CORRECT ANSWER The co...

HESI Exit Exam 2024, Question Bank. 804 Questions and Correct Answers With Rationale. Actual Exam Questions Included. Verified Solution, Guaranteed Acing Of Your Exam. What PO2 value indicates respiratory failure in adults? PO2 < 60 mmHg What blood value indicates hypercapnia? PCO2 > 45 mmHg What condition occurs when the PO2 is < 60 mmHg (acute hypoxemia), the CO2 tension rises > 50 mmHg (acute hypercarbia, hypercapnia) & the pH drops < 7.35, or both? Acute respiratory fa...

ATI ADV. MED-SURG FINAL EXAM 2024 QUESTIONS & ANSWERS 100% CORRECTATI ADV. MED-SURG FINAL EXAM 2024 QUESTIONS & ANSWERS 100% CORRECT 1. A nurse in a burn treatment center is caring for a client who is admitted with severe burns to both lower extremities and is pending an escharotomy. The client’s spouse asks the nurse what the procedure entails. Which of the following nursing statements is appropriate? a. “large incisions will be made in the eschar to improve circulation” b. “ ...

ATI ADV. MED-SURG FINAL EXAM 2024 QUESTIONS & ANSWERS 100% ATI ADV. MED-SURG FINAL EXAM 2024 QUESTIONS & ANSWERS 100% CORRECT 1. A nurse in a burn treatment center is caring for a client who is admitted with severe burns to both lower extremities and is pending an escharotomy. The client’s spouse asks the nurse what the procedure entails. Which of the following nursing statements is appropriate? a. “large incisions will be made in the eschar to improve circulation” b. “ I can...

acute coronary syndrome NCLEX The client with unstable angina has received education about the acute coronary syndrome. Which of the following indicates that he understood the teaching? 1. "This is a big warning, I must modify my lifestyle or risk having a heart attack in the next year." 2. "Angina is just a temporary interruption of blood flow to my heart." 3. "I need to tell my wife I've had a heart attack." 4. "Because this was temporary, I will not need to take any medications f...

What is the equation for cardiac output? - CO = HR x SV What is preload? - the heart is being stretched out What does preload reflect? - how much fluid is in the heart What is afterload? - resistance the ventricle must overcome to eject blood Example of increased preload - CHF Example of increased afterload - hypertension What is blood pressure? - force of blood against vessel walls What is systolic blood pressure? - amount of pressure generated by the left ventricle to distribute blood ...

The nurse auscultates the apex beat at which anatomical location? midsternum 5 cm to the left of the lower end of the sternum 2.5 cm to the left of the xiphoid process fifth intercostal space, midclavicular line - ANSWER-fifth intercostal space, midclavicular line What is the term for the ability of the cardiac muscle to shorten in response to an electrical impulse? contractility depolarization repolarization diastole - ANSWER-contractility Age-related changes associated with t...

PCCN Review Cardiac Exam 238 Questions with Verified Answers Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. - CORRECT ANSWER HR X SV=CO 70 X 65= 4550 4.6 L/min Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. HR X SV=CO - CORRECT ANSWER HR X SV=CO 70 X 65= 4550 4.6 L/min What % of the cardiac cycle is provided by the atrial kick? • 15% • 20% • 30% • 35% - CORRECT ANSWER 20% Atrial kick is a term that represents the am...

EVERY test bank/study guide question for Adult Health Exam 3 1. What is an ability that is a primary difference in the skills of a certified critical care nurse compared with nurses certified in medical-surgical nursing? a. Diagnose and treat life-threatening diseases b. Detect and manage early complications of health problems c. Provide intensive psychologic support to the patient and family d. Use advanced technology to assess and maintain physiologic function 1. d. One of the primary c...

BKAT 9r Exam 2023/2024 Adenosine, when is it used? - Answer- Paroxysmal supraventricular tachycardia Adenosine, what is the effect - Answer- slows the heart adenosine what is the dosage given - Answer- 6mg IV push rapidly followed by 20mls of NS. Adenosine what if the patient does not respond to the 6mg - Answer- if no response in 1-2 min give 12 mg and flush. may repeat. Amiodarone what is the effect - Answer- slowing the heart Amiodarone, when is it used - Answer- V-fib, v...