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PHYSIOLOGY- CH 15
BLOOD FLOW FINAL
EXAM Q&A 100%
PASS
Human Physiology: An Integrated Approach, 6e (Silverthorn) Chapter 15 Blood Flow and the Control of Blood Pressure
- Fainting is also known as A) eclampsia. B) vasovagal syncope. C) infarction. D) reactive hyperemia. E) orthostatic hypotension. - ANSWER>>>: B Section Title: Introduction Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Perfusion is A) blood flow through an organ.
B) the driving force behind blood flow. C) delivery of oxygen to cells. D) the connection between capillaries and other vessels. E) movement of blood through a shunt. - ANSWER>>>: A Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- ________ are also known as the pressure reservoir of the cardiovascular system. A) Veins B) Venules C) Capillaries D) Arterioles E) Arteries - ANSWER>>>: E Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- The inner lining of blood vessels is called A) endocardium. B) endoangium. C) endothelium. D) basal lamina. E) endostatin. - ANSWER>>>: C Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Smooth muscle is present in the walls of
- The only blood vessels whose walls permit exchange between the blood and the surrounding interstitial fluids are the A) arterioles. B) venules. C) capillaries. D) arterioles and capillaries. E) venules and capillaries. - ANSWER>>>: E Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Angiogenesis is A) an examination of the arteries and veins. B) having blood drawn into a tube for tests. C) the growth of new blood vessels. D) surgical restructuring of the coronary arteries. E) being able to detect a pulse in arteries. - ANSWER>>>: C Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Angiostatin and endostatin may be useful in the treatment of A) myocardial infarction. B) hypertension. C) hypotension. D) cancer. E) vasovagal syncope. - ANSWER>>>: D Section Title: The Blood Vessels
Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The values obtained when measuring blood pressure, such as 120/80, A) exactly match the pressures inside the ventricle during systole and diastole. B) reflect the pressure in the major arteries during ventricular systole and diastole. C) are the same on both the pulmonary and systemic circuits. D) exactly match the pressures inside the ventricle during systole and diastole and reflect the pressure in the major arteries during ventricular systole and diastole. E) All of the answers are correct. - ANSWER>>>: B Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Which of the following is occurring during systole? A) blood pressure increases B) pulse pressure decreases C) more stress is placed on arterial walls D) blood pressure increases and pulse pressure decreases E) blood pressure increases and more stress is placed on arterial walls - ANSWER>>>: E Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- The mean arterial pressure (MAP) is important because A) it represents the driving pressure for blood flow. B) it reflects the difference in time that systole lasts compared to diastole. C) it forces the practitioner to do math, thus they must pay attention to the values obtained.
C) pulse pressure. D) blood pressure. E) circulatory pressure. - ANSWER>>>: C Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- All of the following would cause an increase in blood pressure EXCEPT A) an increase in arterial resistance. B) a decrease in arterial diameter. C) a decrease in cardiac output. D) sympathetic stimulation. - ANSWER>>>: C Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The vessels that are the main site of variable resistance in the circulatory system, and that contribute more than 60% of the total resistance, are the A) muscular arteries. B) elastic arteries. C) arterioles. D) venules. E) veins. - ANSWER>>>: C Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- If cardiac output increases and resistance in arterioles does NOT change, what happens to arterial blood pressure? A) increases B) decreases C) is unchanged - ANSWER>>>: A Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Application)
- Increased blood volume ________ blood pressure. A) increases B) decreases C) has no effect on - ANSWER>>>: A Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Which organ is NOT part of the cardiovascular system and plays an important role in regulating blood pressure? A) liver B) spleen C) lung D) kidney E) skin - ANSWER>>>: D Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The matching of blood flow to the changing metabolic needs of a tissue is due to
- Reactive hyperemia is A) lack of blood flow due to an allergic reaction. B) increased blood flow following a period of reduced blood flow. C) increased blood pressure after stress. D) reflex contraction of smooth muscle in response to stress. E) None of the answers are correct. - ANSWER>>>: B Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Reactive hyperemia is triggered by A) local accumulation of paracrines due to reduced blood flow. B) reflex contraction of smooth muscle following a period of dilation. C) stress and the hormones released during stress. D) toxins or allergens, such as bee venom or pollen. E) None of the answers are correct. - ANSWER>>>: A Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The elevated blood pressure that sometimes accompanies pregnancy is known as A) preeclampsia. B) vasovagal syncope. C) infarction. D) reactive hyperemia. E) orthostatic hypotension. - ANSWER>>>: A Section Title: Resistance in Arterioles Learning Outcome: 15.
: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- In order to cause vasodilation of most vascular smooth muscle, A) acetylcholine combines with nicotinic receptors. B) acetylcholine combines with muscarinic receptors. C) norepinephrine combines with alpha receptors. D) norepinephrine combines with β1 receptors. E) sympathetic stimulation is removed. - ANSWER>>>: E Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Several blood-borne chemicals affect the lumen size of arterioles. Which are NOT paired correctly? A) kinins — vasodilation B) histamine — vasodilation C) serotonin — vasodilation D) sumatriptan — vasoconstriction E) epinephrine — vasoconstriction with alpha receptors - ANSWER>>>: C Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- ________ capillaries are very porous and allow high volumes of fluids to pass through them, whereas ________ capillaries consist of more tightly joined cells that allow a high degree of selective materials to pass. A) Fenestrated, transcytotic B) Continuous, fenestrated C) Transcytotic, continuous D) Fenestrated, continuous
: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Restoring lost fluid from the capillaries back to the circulatory system is one of the major functions of the ________ system. A) urinary B) thirst-quenching C) lymphatic D) immune E) digestive - ANSWER>>>: C Section Title: The Lymphatic System Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Osmotic pressure resulting from presence of plasma proteins in blood is called ________ pressure. A) oncotic B) colloid osmotic C) hydrostatic D) oncotic and colloid osmotic E) colloid osmotic and hydrostatic - ANSWER>>>: D Section Title: Exchange at the Capillaries Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- A parasitic condition resulting in extreme enlargement of one or both legs is called A) elephantiasis. B) elephantitis. C) elephantosis. D) ascites. - ANSWER>>>: A Section Title: The Lymphatic System Learning Outcome: 15.
: Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- The integrating center for neural control of blood pressure resides in the A) cerebrum. B) cerebellum. C) medulla oblongata. D) pons variolli. E) hypothalamus. - ANSWER>>>: C Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Stretch-sensitive mechanoreceptors known as ________ are located in some artery walls. A) nociceptors B) chemoreceptors C) baroreceptors D) elasticeptors - ANSWER>>>: C Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Blood pressure and flow to the brain are monitored by receptors located in the wall of the A) carotid artery. B) aorta. C) venae cavae. D) cerebral arteries. E) cephalic arteries. - ANSWER>>>: A Section Title: Cardiovascular Disease
B) cardiac output increases. C) peripheral resistance decreases. D) sympathetic activity increases and cardiac output increases. E) sympathetic activity increases, cardiac output increases, and peripheral resistance decreases. - ANSWER>>>: D Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- If a person is bedridden for several days, the baroreceptor reflex may fail upon standing. Why? A) Blood pools in the feet and legs. B) There is reduced blood flow to the brain. C) The kidneys have reduced the blood volume. D) Blood pools in the feet and legs and there is reduced blood flow to the brain. E) All of the statements are correct. - ANSWER>>>: C Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Which of these does NOT increase the risk for cardiovascular disease? A) being a male over 30 but under 55 B) being a female over 30 but under 55 C) having a sister with coronary artery disease D) menopause without estrogen replacement therapy E) having diabetes mellitus - ANSWER>>>: B Section Title: Cardiovascular Disease Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- For a diagnosis of hypertension, a patient must have A) a systolic pressure above 120 mm Hg. B) a systolic pressure above 140 mm Hg. C) a diastolic pressure above 90 mm Hg. D) a diastolic pressure below 80 mm Hg. E) a systolic pressure above 140 mm Hg or a diastolic pressure above 90 mm Hg. - ANSWER>>>: E Section Title: Cardiovascular Disease Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- The endothelium of the blood vessels and its adjacent connective tissue make up the ________, which is surrounded by layers of smooth muscle and connective tissue called ________. - ANSWER>>>: tunica intima or intima, tunica media Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Capillaries lack smooth muscle and elastic or fibrous tissue reinforcement. Instead, their walls consist of ________, supported on a cellular matrix called ________. - ANSWER>>>: a flat layer of endothelium, the basal lamina. Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Cerebral capillaries are surrounded by ________ and glial cells and have tight junctions that create the ________. - ANSWER>>>: pericytes, blood-brain barrier Section Title: The Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- Mean arterial pressure is (indirectly/directly) proportional to ________ and (indirectly/directly) proportional to ________. - ANSWER>>>: directly, cardiac output, directly, resistance of arterioles Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- ________ is an increase in blood flow that accompanies an increase in metabolic activity. - ANSWER>>>: Active hyperemia Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Norepinephrine binding to alpha receptors on vascular smooth muscle causes ________ and epinephrine binding to alpha receptors on vascular smooth muscle causes ________. - ANSWER>>>: vasoconstriction, vasoconstriction Section Title: Resistance in Arterioles Learning Outcome: 15. : Level II: Reviewing Concepts (Bloom's Taxonomy: Comprehension)
- The osmotic pressure created by the presence of proteins is known as ________, which is (higher/lower) in the plasma than in the interstitial fluid. - ANSWER>>>: colloid osmotic or oncotic pressure, higher Section Title: Exchange at the Capillaries Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The decrease in blood pressure upon standing is known as ________. - ANSWER>>>: orthostatic hypotension Section Title: Resistance in Arterioles
Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Comprehension)
- The term for chronically elevated blood pressure is ________. - ANSWER>>>: hypertension Section Title: Resistance in Arterioles Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Loss of pericytes around retinal capillaries is a hallmark of the disease ________. - ANSWER>>>: diabetic retinopathy Section Title: Blood Vessels Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Capillary exchange involving movement between the endothelial cells is called the ________ pathway. - ANSWER>>>: paracellular Section Title: Exchange at the Capillaries Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- Capillary exchange involving movement through the cells is called ________ transport. - ANSWER>>>: transendothelial Section Title: Exchange at the Capillaries Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
- The turbulent flow of blood causes a noise called a ________ that can be heard through the stethoscope when taking blood pressure. - ANSWER>>>: Korotkoff sound Section Title: Blood Pressure Learning Outcome: 15. : Level I: Reviewing Facts and Terms (Bloom's Taxonomy: Knowledge)
