NOT true regarding blood vessels conductance?Select one:O a. A measure of the blood flow volume through a vessel fora given pressure differenceO b. The exact reciprocal of resistanceO c. Decreased by increasing arterial complianceO d. 24 times higher in systemic vein than that of itscorresponding arteryO e. Proportional to the vascular volume

The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Answered: NOT true regarding blood vessels…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

Ashon wakes up at 8am, when the flow rate in an artery supplying the small intestine at rest is 1 L/min and the resistance of that vessel is 1. At 10am, the radius of Ashon’s artery is reduced in half. At 10am, under what conditions would this artery be under and what would the new flow rate be? A. The artery would now be under sympathetic drive and the flow rate would be 16 B. The artery would now be under parasympathetic drive and the flow rate would be 1 C. The artery would now be under parasympathetic drive and the flow rate would be 1/16 D. The artery would now be under sympathetic drive and the flow rate would be 1/16 E. The artery would now be under sympathetic drive and the flow rate would be 1 F. The artery would now be under parasympathetic drive and the flow rate would be 16
Patient in renal failure develops hyperkalemia so that his extracellular [K+] increases from 4.5 mEq/L (normal) to 6.5 mEq/L. What will happen to the resisting membrane potential (RP) of his cardiac myocytes? a. it will depolarizeb. it will hyperpolarizec. there will be no change since K+ channels are freely permeabled. there will be no change since Na+ channels are closede. it will polarize
Perfusion through the capillary wall involves: O A. Active pressure generation by the smooth muscle cells lining the capillary wall. OB. Net movement of fluid out of the circulation and into the lymph. OC. Secondary active transport of choride via the sodium/chloride cotransporter. OD. All of the above. O E. None of the above.
When the blood pressure is high, how will the myogenic reflex help to bring the blood pressure baack to normal? (circle all that apply)a. Calcium channels on smooth muscle opensb. Potassium channels open helping potassium to rush into the cellc. Vasoconstriction take placed. Stretch receptors in the afferent arterioles are activated e. Vasodilation take place
Vascular System 7 Mean arterial pressure (MAP) = %3D a. 2/3 diastolic P + 1/3 systolic P b. 1/3 diastolic P + 2/3 systolic P c. 1/2 diastolic P + 1/2 systolic P d. (diastolic P + systolic P) / 2
cardiac output depend on what two factor a. stroke volume and stroke power b. cardiac rate and cardiac rhythm c. cardiac rate and stroke volume d. blood density and blood volume 2. which is the following is not matched correctly a. musclar ( distributing artieres - mainly made up of smooth muscle ( found in tunica medial ) b. vasa vasorum : small blood vessles that helps in nourishing particularly large arteries and veins c. arterioles - relatively large and thick vessels that controls the flow of blood leaving the heart d. elastic (conducting ) arteries - well supplied with elastin to maintain pressure ) has all 3 tunica
Anatomy and Physiology two Answer C from the history and result, it is not an essay a. Describe the process of taking someone's blood pressure with a sphygmomanometer- briefly, and in your own words. b. Mention at least 2 precautions c. History A 40-year-old man complains of headaches and three episodes of nosebleed over the last month. Test Results EKG shows left ventricular hypertrophy. C. what his blood pressures were, and what their diagnoses were.
Affects on the cardiovascular system in patients with Addison’s disease include all, except:A. CardiomegalyB. HypotensionC. BradycardiaD. Decreasing ECG voltageE. Reduction in the dimensions of heart
for its oxygen then it may die, forming rct. The severity of this condition depends on the precise location of the occlusion, which downstream tissues are involved, and how large an area of tissue dies. Use Figure 4.9 as a reference and list the flow of blood through both circuits in order, beginnng with the right atrium (don't forget to include the heart valves). 1. If an embolus breaks off in a systemic vein in the leg, it would be able to pass through: It would occlude: 2. If an embolus formed in the left ventricle, it would be able to pass through: 3. It would occlude: 4.

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