Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 44, Problem 9TYK
Summary Introduction
Introduction:
The circulatory system consists of several important components that are required for the functioning of the body. This includes a heart, blood vessels, and a fluid medium for the transfer of important nutrients, ions, and other components across the blood. Blood vessels are of three main types namely arteries, veins, and capillaries.
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Chapter 44 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 44.1 - What are the three basic features of animal...Ch. 44.1 - Prob. 2SBCh. 44.1 - Prob. 3SBCh. 44.1 - Prob. 4SBCh. 44.2 - Outline the life cycle of an erythrocyte.Ch. 44.2 - Prob. 2SBCh. 44.2 - Prob. 3SBCh. 44.3 - Prob. 1SBCh. 44.3 - Prob. 2SBCh. 44.3 - How do neurogenic and myogenic hearts differ?
Ch. 44.3 - Describe the electrical events that occur during...Ch. 44.4 - Prob. 1SBCh. 44.4 - Prob. 2SBCh. 44.4 - Prob. 3SBCh. 44.5 - Prob. 1SBCh. 44.5 - Prob. 2SBCh. 44.5 - Prob. 3SBCh. 44.6 - Prob. 1SBCh. 44 - Prob. 1TYKCh. 44 - Prob. 2TYKCh. 44 - Prob. 3TYKCh. 44 - A characteristic of blood circulation through or...Ch. 44 - The heartbeat includes: a. the systole when the...Ch. 44 - Keeping the mammalian cardiac cycle balanced...Ch. 44 - Prob. 7TYKCh. 44 - Characteristics of veins and venules are: a. thick...Ch. 44 - Prob. 9TYKCh. 44 - Prob. 10TYKCh. 44 - Prob. 11TYKCh. 44 - Prob. 12TYKCh. 44 - Prob. 13TYKCh. 44 - Prob. 15TYKCh. 44 - Nifedipine is an antihypertension medication that...Ch. 44 - Prob. 2ITDCh. 44 - Nifedipine is an antihypertension medication that...
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- Match the type of blood vessel with its major function. _____ arteriesa. diffusion _____ arteriolesb. control of blood distribution _____ capillariesc. transport, blood volume reservoirs _____ veinsd. blood transport and pressure regulatorsarrow_forwardThe delivery of blood by the left ventricle into the sorta is intermittent, whereas blood flow in the peripheral circulation is usually continuous. Which of the following best explains this difference? A. Arteries contain more elastic tissue than veins . B Capillary walls contain little elastic or muscular tissue . C. Continuous flow is needed to meet metabolic requirements. D. Passive recoil of the arteries delivers blood to the periphery during diastole E . Rhythmic contractions of arterial smooth muscie increase the diastolic pressure to above zeroarrow_forwardLocal direct control of blood flow through a tissuea. maintains an adequate rate of flow despite large changes in arterialblood pressure.b. results from relaxation and contraction of precapillary sphincters.c. occurs in response to a buildup in CO2 in the tissues.d. occurs in response to a decrease in oxygen in the tissues.e. All of these are correct.arrow_forward
- Which of the following is true of blood velocity? Z Select one: X 10 ARTERIOLE CAPILLARY NETWORK VENULE a. Velocity is fastest at X, slowest at Y. b. Velocity is fastest at X, slowest at Z. c. Velocity is fastest at Y, slowest at Z. d. Velocity is fastest at Z, slowest at X.arrow_forwardPlatelets a. form a plug by sticking to each other. b. release chemicals that stimulate vasoconstriction. c. provide phospholipids needed for the intrinsic pathway. d. serve all of these functions.arrow_forwardWhich of the following functions pertain(s) to blood?a. Transport oxygen.b. Transport amino acids.c. Form clots to prevent loss.d. Transport heat.e. Deliver water to and take in water from the tissues.arrow_forward
- Assume the following pressures on the arterial end of a capillary: Plasma hydrostatic pressure = 35mmHg Plasma osmotic pressure = 26mmHg Interstitial hydrostatic pressure = 0mmHg Interstitial osmotic pressure = 1mmHg Given the pressures listed above, what is happening to fluid in this scenario? A. Fluid is leaving the capillary B. Fluid is entering the capillary C. Fluid is leaving the cell D. Fluid is entering the cellarrow_forwardCapillary filtration plays a vital role in the exchange of fluids between the circulatory system and tissues A. Consider a scenario where the hydrostatic pressure in the capillary bed is 40 mmHg, the osmotic pressure in the capillary is 25 mmHg, and the interstitial fluid hydrostatic pressure is 5 mmHg. Calculate the net filtration pressure in this situation. B. Determine the direction of fluid movement across the capillary wallarrow_forwardBlood viscosity: A. has the properties of a Newtonian fluid. B. Increases with blood flow velocity. OC. Decreases with blood flow velocity. D.A and B. O E. A and C.arrow_forward
- Which 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_forwardWhich of the following is True?a. Arteriole diameter is controlled by nerves, hormones,and chemicals from nearby tissues.b. The sympathetic nervous systems causes constriction ofarterioles in hot conditions.c. Precapillary sphincters are controlled by the nervoussystem.d. In response to major blood loss, the veins and arteriesincrease in diameter.arrow_forwardForeign proteins in the blood stimulate an immune response. Which of the following is true? Select one: O a. Macrophages ingest pathogens O b. Helper T cells stop the immune response Killer (cytotoxic) T cells produce antibodies Oc. O d. B cells start an immune responsearrow_forward
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