ANATOMY AND PHYSIOLOGY: AN INTEGRATIVE A
4th Edition
ISBN: 9781265949440
Author: McKinley
Publisher: MCG
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Chapter 20, Problem 7DYKB
Summary Introduction
Introduction:
The circulation of local blood flow throughout the body depends on the total flow of blood. Total blood flow is defined as the amount of blood flowing throughout the body or in entire blood vessels in a given period of time. The total blood flow expressed in terms of liter per minute.
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All of the followings are incorrect, except ---------------------.A. The mean blood pressure increases with distance from the heart.B. The linear rate of blood flow is proportional to total cross-sectional area.C. The highest blood velocity occurs at the capillaries. D. Most capillaries consist of a single layer of endothelial cells E. Filtration occurs in venous capillarie
Which one of the following influences is not associated with thrombus formation?
A. Endothelial injury
B. Blood hypocoagulability
C. Stasis of blood flow
D. Turbulence associated with blood flow
In the aorta,
Select one:
a. the resistance to blood flow is high, but velocity of blood flow is low.
b. the velocity of blood flow is high, but blood pressure is low.
c. velocity is diminished because the total cross-sectional area is small.
d. the blood pressure and blood velocity are both high.
e. the resistance to blood flow and the blood pressure are both low.
Chapter 20 Solutions
ANATOMY AND PHYSIOLOGY: AN INTEGRATIVE A
Ch. 20.1 - What are three differences in anatomic structure...Ch. 20.1 - Prob. 2WDYLCh. 20.1 - What type of capillary is the most permeable, and...Ch. 20.1 - Prob. 4WDYLCh. 20.1 - Prob. 5WDYLCh. 20.2 - In which type of vessel is blood flow the slowest?...Ch. 20.3 - What substances are transported by diffusion...Ch. 20.3 - Prob. 8WDYLCh. 20.3 - How does the hydrostatic pressure change from the...Ch. 20.3 - Which two pressures have the largest values?...
Ch. 20.3 - If these lymph vessels were nonfunctional, what...Ch. 20.4 - In what ways is angiogenesis stimulated in...Ch. 20.4 - Prob. 13WDYLCh. 20.4 - What relationship exists between metabolic...Ch. 20.4 - Prob. 15WDYLCh. 20.5 - Prob. 16WDYLCh. 20.5 - Prob. 17WDYLCh. 20.5 - How is the small pressure gradient in veins...Ch. 20.5 - How is the pressure gradient to move blood through...Ch. 20.5 - How is resistance defined?Ch. 20.5 - What are the three factors that alter resistance?...Ch. 20.5 - Prob. 22WDYLCh. 20.6 - Prob. 23WDYLCh. 20.6 - What is the initial change to blood pressure when...Ch. 20.6 - Prob. 25WDYLCh. 20.6 - Prob. 26WDYLCh. 20.7 - Which organs have an increased proportion of...Ch. 20.8 - Prob. 28WDYLCh. 20.8 - Prob. 29WDYLCh. 20.9 - Prob. 30WDYLCh. 20.9 - Prob. 31WDYLCh. 20.10 - Prob. 32WDYLCh. 20.10 - Prob. 33WDYLCh. 20.10 - Prob. 34WDYLCh. 20.10 - What are the systemic arteries that supply...Ch. 20.10 - Prob. 36WDYLCh. 20.10 - Prob. 37WDYLCh. 20.10 - Prob. 38WDYLCh. 20.11 - Prob. 39WDYLCh. 20.11 - Prob. 40WDYLCh. 20.11 - Prob. 41WDYLCh. 20.11 - Prob. 42WDYLCh. 20.12 - List the five structures of fetal circulation, and...Ch. 20.12 - Prob. 44WDYLCh. 20 - _____ 1. Which of the following is not a...Ch. 20 - _____ 2. Which statement is accurate about veins?...Ch. 20 - _____ 3. Vasa vasorum are found in the tunica...Ch. 20 - _____ 4. Which of the following decreases...Ch. 20 - _____ 5. The __________ is a type of vessel with...Ch. 20 - _____ 6. An increase in _____ will result in an...Ch. 20 - Prob. 7DYKBCh. 20 - _____ 8. Velocity of blood flow is the slowest in...Ch. 20 - _____ 9. Blood pressure is regulated by the a....Ch. 20 - _____ 10. Name the correct pathway that blood...Ch. 20 - Prob. 11DYKBCh. 20 - Prob. 12DYKBCh. 20 - Explain the difference between hydrostatic and...Ch. 20 - Write the formula for determining net filtration...Ch. 20 - Prob. 15DYKBCh. 20 - Prob. 16DYKBCh. 20 - Briefly explain how changes in cardiac output,...Ch. 20 - Compare how the cardiac center and vasomotor...Ch. 20 - Prob. 19DYKBCh. 20 - What postnatal changes occur in the heart and...Ch. 20 - If a patient has cirrhosis of the liver and is...Ch. 20 - Prob. 2CALCh. 20 - Prob. 3CALCh. 20 - Prob. 4CALCh. 20 - Prob. 5CALCh. 20 - Prob. 1CSLCh. 20 - Arteries tend to have a lot of vascular...Ch. 20 - Explain why an overweight individual with high...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Refer to the figure of the pressures in the cardiac cycle on the right side. Letters indicate time points and numbers indicate 2 different pressures. The pressure indicated by line #1 (in green) is.... A. Atrial pressure B. Pulmonary trunk/artery pressure C. Aortic pressure D. Ventricular pressurearrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Arterioles reflexively dilate when blood pressure increases. b. Increased concentrations of carbon dioxide and hydrogen ions and a decreased concentration of oxygen in the interstitial fluid cause local arteriolar constriction. c. Tissue perfusion to the heart decreases during systole and increases during diastole. d. The increase in tissue perfusion in skeletal muscle that occurs during exercise is known as hyperemia. e. The sympathetic nervous system causes vasodilation in the skin when body temperature decrearrow_forwardProlonged pressure on the skin causes reddened areas at the point of contact due to: Select one: a. Tissue damage and inflammation resulting from impaired capillary blood flow b. Occlusion of major arteries causing infarction of the tissue c. Compression of veins resulting in venous engagement d. Arterial vasodilation from smooth muscle relaxationarrow_forward
- Identify the TRUE statement (s). There may be several correct answers. A. An increased cardiac output is reflected in an elevated diastolic pressure.B. An increased cardiac output is reflected in a decreased diastolic pressure.C. An increase in the force of contraction produces an elevated systolic pressure.D. An increase in the force or ventricular contraction produces a decreased diastolic pressure.arrow_forwardWhich of the following is a result of their condition?arrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement a. Arteries are the exchange vessels of the cardiovascular system. b. The tunica intima is composed of a sheet of endothelium, connective tissue, and the internal elastic lamina. c. The tunica media consists of smooth muscle cells innervated by vasomotor nerves. d. Muscular arteries control blood flow at the tissue level. e. Veins have smaller lumens, more elastic fibers, and more smooth muscle than arteries.arrow_forward
- a. Ventricular diastole b. Throughout the cardiac cycle c. Between cardiac cycles d. Ventricular systolearrow_forwardchoose correct answersarrow_forwardWhich are correct regarding blood pressure? [Select all that apply] a. Blood pressure decreases as blood volume increases b. Blood pressure increases with increasing constriction of the peripheral arteries c. Increasing sympathetic outflow increases blood pressure d. The kidney does not participate in controlling blood pressurearrow_forward
- A. Muscles around the arterioles dictates where blood flows in the body…why is this useful? B. All hearts have at least one thinner walled chamber where blood collects called the ____________ and at least one thicker-muscled chamber that squeezes blood out of the heart: v________________. C. The blood that flows from the heart into the gills or lungs is in the _______________ circuit; the blood that flows from the heart to the rest of the body is in the ________________ circuit.arrow_forwardMac is 13 and has fallen deeply in love with his first sweetheart. He feels his heart “skip a beat” whenever he sees her. Where are the specialized cardiac cells located that initiate a heartbeat? Group of answer choices a. Myocardium of the left atrium b. Myocardium of the right atrium c. Endocardium of the left atrium d. Endocardium of the right atriumarrow_forwardWhich of the following statements are true of chemical blood clotting? (Read carefully and select all of the correct statements.) A. Fibrinogen is changed to fibrin in stage 1 of clotting. OB. Stage 1 is the prothrombin activator is formed. OC. Calcium ions are needed for all three stages of clotting. D. The endothelium of blood vessels is smooth and helps prevent abnormal clotting. E. Many of the clotting factors are produced by the liver, but some are produced by the spleen. F. The actual clot is made of fibrin. 100000000 G. The purpose of fibrinolysis is to strengthen a newly formed clot. H. Prothrombin activator changes thrombin to prothrombin. DAMARI Type here to search Ei O E $arrow_forward
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