EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
11th Edition
ISBN: 9780133987010
Author: Marieb
Publisher: VST
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Chapter 11, Problem 14MC
Summary Introduction
Introduction:
Blood pressure is defined as the pressure exerted by the blood onto the walls of the vessels while circulating. Several factors such as blood vessel diameter, body position, cardiac output, vessel length and others influence the blood pressure. The kidneys also play a role in the regulation of the blood pressure.
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Students have asked these similar questions
What is not an action of angiotensin II?
A. Vasoconstriction that increases arterial pressure
B. Increases thirst
C. Stimulates the release of vasopressin antidiuretic hormone
D. Stimulate adrenal cortex to release aldosterone
E. None of the above
A patient is found to have severe arteriosclerosis of the renal arteries,which has reduced renal blood pressure. Which of these is consistentwith that condition?a. hypotensionb. hypertensionc. decreased vasomotor toned. exaggerated sympathetic stimulation of the hearte. Both a and c are correct.
When blood pressure drops after an injury, the body's response to re-adjust the pressure is increased sympathetic
stimulation resulting in
(ie. how does the body respond to low blood pressure to bring it back up?)
O a.
decreased arteriolar dilation and increased cardiac output
O b. decreased arteriolar dilation and decreased cardiac output
O c. increased arteriolar dilation and decreased cardiac output
O d. increased arteriolar dilation and increased cardiac output
Chapter 11 Solutions
EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
Ch. 11 - More than one choice may apply. Pulmonary veins...Ch. 11 - Given a volume of 150 ml at the end of diastole, a...Ch. 11 - Which of the following depolarizes next after the...Ch. 11 - More than one choice may apply. During atrial...Ch. 11 - More than one choice may apply. Isovolumetric...Ch. 11 - Soon after the onset of ventricular systole, the...Ch. 11 - The base of the heart is its ______ surface. a....Ch. 11 - 8. In comparing a parallel artery and vein, you...Ch. 11 - Prob. 9MCCh. 11 - Prob. 10MC
Ch. 11 - Prob. 11MCCh. 11 - 12. Which layer of the artery wall thickens most...Ch. 11 - Prob. 13MCCh. 11 - Prob. 14MCCh. 11 - The most external part of the pericardium is the...Ch. 11 - Prob. 16MCCh. 11 - Prob. 17MCCh. 11 - Prob. 18MCCh. 11 - 19. Draw a diagram of the heart showing the three...Ch. 11 - Prob. 20SAECh. 11 - Prob. 21SAECh. 11 - 22. Define systole and diastole.
Ch. 11 - Prob. 23SAECh. 11 - Prob. 24SAECh. 11 - Identify the components of the intrinsic...Ch. 11 - 26. Name three different factors that increase...Ch. 11 - Prob. 27SAECh. 11 - Describe the structure of capillary walls.Ch. 11 - Prob. 29SAECh. 11 - Name three factors that are important in promoting...Ch. 11 - Prob. 31SAECh. 11 - What are pre-capillary sphincters and vascular...Ch. 11 - Prob. 33SAECh. 11 - 34. In a fetus, the liver and lungs are almost...Ch. 11 - Explain why we are able to detect pulses at...Ch. 11 - Prob. 36SAECh. 11 - Prob. 37SAECh. 11 - 38. Two elements determine blood pressure—the...Ch. 11 - Prob. 39SAECh. 11 - Prob. 40SAECh. 11 - Prob. 41SAECh. 11 - Explain why blood flow in arteries is pulsatile...Ch. 11 - Explain the relationship between the...Ch. 11 - 44. Which type of blood vessel is most important...Ch. 11 - John is a 30-year-old man who is overweight and...Ch. 11 - 47. Mrs. Hamad, a middle-aged woman, is admitted...Ch. 11 - Hannah, a 14-year-old girl undergoing a physical...Ch. 11 - Prob. 48CAQCh. 11 - Stuart, a 49-year-old man, has been diagnosed with...Ch. 11 - Mr. Grimaldi was previously diagnosed as having a...Ch. 11 - Prob. 51CAQCh. 11 - The guards at the royal palace in London stand at...
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- In response to a decrease in blood pressurea. ADH secretion increases.b. the kidneys decrease urine production.c. blood volume increases.d. All of these are correctarrow_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_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. The sympathetic nervous system increases blood pressure in the short term by increasing cardiac output and peripheral resistance. b. A sudden increase or decrease in blood pressure triggers the baroreceptor reflex, which is mediated by the medulla and the autonomic nervous system. c. Hormones that decrease blood volume and blood pressure include antidiuretic hormone and aldosterone. d. Angiotensin-II is a chemical that produces profound vasoconstriction. e. The kidneys control blood pressure directly through adjustment of blood volumearrow_forward
- . In a case where interstitial hydrostatic pressure is negative, the only force causing capillaries to reabsorb fluid isa. colloid osmotic pressure of the blood.b. colloid osmotic pressure of the tissuefluid.c. capillary hydrostatic pressure.d. interstitial hydrostatic pressure.e. net filtration pressure.arrow_forwardAn increase in extracellular potassium levels can causea. an increase in stroke volume.b. an increase in force of contraction.c. a decrease in heart rate.d. Both a and b are correct.arrow_forwardWhich of the following is a circulatory adjustment to sustained moderate exercise?a. Constriction of the cutaneous circulationb. Decreased intestinal blood flowc. Decreased venous returnd. Increased renal blood flowe. Increased total peripheral vascular resistancearrow_forward
- 17-year-old boy is brought to the emergency department after being injured in an automobile accident and sustaining significant blood loss. His blood pressure had dropped significantly. He is found to have a very concentrated urine of little quantity. He is given a transfusion of 3 units of blood to stabilize his blood pressure. a. Provide a physiological explanation why his blood pressure dropped b. Explain how the transfusion is able to restore his blood pressure back to normal c. Provide a physiological explanation for the formation of concentrated urine in this patientarrow_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_forwardIn response to circulatory shock, Select one: a. the renin-angiotensin mechanism is activated. b. atrial natriuretic factor is released. c. the baroreceptors and chemoreceptors are inactivated. d. the body decreases ADH secretion. e. the vasomotor center is inhibited.arrow_forward
- If a person develops high blood pressure, one of the compensatory mechanisms that comes into play is the fluid shift mechanism. This mechanism causes Select one: a. water to shift from the capillaries into the interstitial spaces. b. water to shift from inside cells into the extracellular fluid. c. water to stay inside the capillaries. d. increased filtration in the kidney, thereby increasing urine output. e. water to shift from the interstitial space into the capillaries.arrow_forwardWhen a person is bleeding you worry more about the kidneys because: a.kidneys receive most of cardiac output. b.the kidney can tolerate any decrease in blood flow and we should not worry about this strong organ. c.a decrease in GFR may lead to irreversible renal damage d.any decrease in renal blood flow can lead to renal ischemia e.if renal blood flow is severely depressed arterial blood pressure might increase to very high values.arrow_forwarda person with hypertension is given an angiotensin receptor blocker. identify the effects of this drug. CHECK ALL THAT APPLY a. decreased sodium reabsorption from the distal tubule and collecting duct b. increased thirst c. increased water reabsorption d. vasodilationarrow_forward
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