5. What is the cardiac ouput in this patient if their heart rate was 50 beats/min?120LV Pressure 80(mm Hg)402060100140180220LV Volume (ml)A.2 L/minB.4 L/minC.5 L/minD.6 L/min

The primary function of the heart is to pump blood throughout the body to deliver oxygen, nutrients,…

Answered: 5. What is the cardiac ouput in this…

Essentials of Pharmacology for Health Professions

7th Edition

ISBN:9781305441620

Author:WOODROW

Publisher:WOODROW

Chapter27: Drugs And Older Adults

Section: Chapter Questions

Problem 11CRQ

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If the pressure in the pulmonary artery is 34 mm Hg and the pressure in the left atrium is 9 mm Hg, what is the driving pressure? A. 9 mm Hg B. 17 mm Hg C. 25 mm Hg D. 34 mm Hg
3. During heavy exercise, the total cardiac output may increase as much as A. 2-fold B. 4-fold C. 6-fold D. 8-fold
The normal calculated anatomic shunt is about A. 0.5-1 percent B. 2-5 percent C. 6-9 percent D. 10-12 percent
The tricuspid valve lies between the A. Right atrium and the right ventricle B. Left ventricle and the aorta C. Right ventricle and the pulmonary artery D. Left atrium and the left ventricle
Which valve separates the left atrium from the left ventricle? mitral tricuspid pulmonary aortic
The heartbeat includes: a. the systole when the heart relaxes and fills. b. the diastole when the heart contracts and empties. c. pressure that causes the AV valves to open, filling the ventricles. d. rising pressure in the ventricles to open the AV valves and close the SL valves. e. the lub sound when the SL valves open and the dub sound when the AV valves close.
When the systemic blood pressure increases, the aortic and carotid sinus baroreceptors initiate reflexes that cause a/an 1. Increased heart rate 2. Decreased ventilatory rate 3. Increased ventilatory rate 4. Decreased heart rate A. 1 only B. 2 only C. 3 only D. 2 and 4 only
At rest, the normal pleural pressure change during quiet breathing is about A. 0-2 mm Hg. B. 2-4 mm Hg. C. 4-6 mm Hg. D. 6-8 mm Hg.
Stimulation of the peripheral chemoreceptors can cause which of the following? 1. Tachycardia 2. Decreased left ventricular performance 3. Increased pulmonary vascular resistance 4. Systemic arterial hypertension A. 1 only B. 2 only C. 4 only D. 1, 3, and 4 only
The difference between the pressure in the lumen of a vessel and that of the pressure surrounding the vessel is called the A. Driving pressure B. Transmural pressure C. Diastolic pressure D. Intravascular pressure

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5. What is the cardiac ouput in this patient if their heart rate was 50 beats/min? 120 LV Pressure 80 (mm Hg) 40 20 60 100 140 180 220 LV Volume (ml) A. 2 L/min B. 4 L/min C. 5 L/min D. 6 L/min