Concept explainers
a.
To determine: The difference between lymphatic and systemic capillaries.
Introduction: The lymphatic system consists of lymphatic organs, lymphatic ducts, nodes, and vessels. The lymphatic organs are divided into two, the primary lymphoid organs and the secondary lymphoid organs. The primary organs serve as the maturation site for lymphocytes while the secondary organs serve as the differentiation site.
b.
To determine: The difference between the role of the sympathetic and parasympathetic nervous system in blood pressure control.
Introduction: Arterial blood pressure is the pressure applied by the flowing blood inside the arteries of the body. The blood pressure is regulated by several factors that can increase or decrease the blood pressure depending upon the requirement of the body.
c.
To determine: The difference between lymph and blood.
Introduction: The lymphatic system consists of lymphatic organs, lymphatic ducts, nodes, and vessels. The cardiovascular system is made of different components. The heart constitutes the primary organs of the system, and the arteries, veins and blood capillaries form the associated structures of the cardiovascular system.
d.
To determine: The difference between continuous and fenestrated capillaries.
Introduction: The cardiovascular system is made of different components. The heart constitutes the primary organs of the system, and the arteries, veins, and blood capillaries form the associated structures of the cardiovascular system. Among the blood vessels, the pulmonary artery, vein, and aorta form the largest and most important vessel system.
e.
To determine: The difference between hydrostatic pressure and colloid osmotic pressure in systemic capillaries.
Introduction: Hypertension is the condition where the blood pressure of the individual in constantly high due to the increased pressure of blood against the arteries supplying blood to the heart. Hypertension can arise due to narrowing of the lumen of the arteries because of fat deposition.
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Human Physiology: An Integrated Approach (8th Edition)
- Which 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_forwardWhich of the following statements regarding blood pressure is NOT true? a.)Blood pressure is constant throughout the body b.)Exerted by the blood against the walls of the blood vessels c.)Controlled by homeostatic mechanism d.)Keeps the blood flowing through all the blood vessels so that cells receive oxygen and nutrientsarrow_forwardIf blood pressure was to drop, how is the signal transmitted to the central nervous system? a) The baroreceptors decrease the generation of action potentials below their normal level. b) The glassopharyngeal nerve increases the transmission of action potentials, while the vagus nerve does not. c) The baroreceptors increases the generation of action potentials past their normal level. d) The glassopharyngeal nerve decreases the transmission of action potentials, while the vagus nerve does not.arrow_forward
- Which of the following best describes the primary role of resistance vessels? Group of answer choices a.Providing nutrient supply to the walls of larger vessels b. They regulate arterial blood pressure and blood flow within the organs. c. Ensuring blood storage during periods of low cardiac output d. Directing blood flow to specific organs based on demandarrow_forwardWhich of the following conditions might result in the back flow of blood through a weakened mitral valve? Group of answer choices a. High pressure in the left ventricle, low pressure in the left atrium b. High pressure in the left atrium, low pressure in the left ventricle c. High pressure in the right ventricle, low pressure in the right atrium d. High pressure in the right atrium, low pressure in the right ventriclearrow_forwardWhich of the following statements is false?a. Only arteries carry oxygenated blood.b. Both arteries and veins have a layer of smooth muscle.c. Capillary beds lie between arteries and veins.d. Sphincters regulate the flow of blood through capillaries.arrow_forward
- The 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_forwardSympathetic impulses to the smooth muscles in the walls of arteries and arterioles produceA. Vasodilation only C. Vasomotor inhibitionB. Vasodilation and vasoconstriction D. Arteriosclerosis Substances exchanged at the capillary level move through the capillary walls byA. Diffusion B. Filtration C. Osmosis D. Active transport In the measurement of blood pressure, the cuff of the sphygmomanometer usually surroundsA. The radial artery C. The brachiocephalic arteryB. The dorsalis pedis artery D. The brachial artery Arterial blood pressure is independent ofA. Blood Volume B. Heart rate C. Blood Viscosity D. Influx of calcium ions 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…arrow_forwardWhich of the following characteristics is unique to capillaries and not to other blood vessels? A. have low blood pressure B. have high blood pressure C. exchange substances (ions, small molecules and water) between blood and tissues D. carry oxygen and carbon dioxide E. connect to the heart and lungsarrow_forward
- Which of the following statements is correct? a. Arteries carry blood away from the heart and veins carry blood to the heart. b. Arteries carry blood to the heart and veins carry blood away from the heart. C. All arteries carry oxygen-rich blood and veins carry oxygen-poor blood. d. Arteries carry oxygen-poor blood and veins carry oxygen-rich blood.arrow_forwardWhich of the following answers explain why blood pressure increases? Question options: A Blood pressure increases with increased blood volume B Blood pressure increases with increased vessel compliance C Blood pressure increases with decreased vessel compliance D Blood pressure decreases with incre3asing blood volumearrow_forwardLocal control of blood flow through a tissue a) maintains a blood flow independent of changes in blood pressure b) is controlled via a relaxation or contraction of precapillary sphincters c) is controlled by changes in oxygen levels in the tissue d) is controlled by changes in carbon dioxide levels in the tissuearrow_forward
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