EBK ANATOMY & PHYSIOLOGY
5th Edition
ISBN: 9780321888013
Author: Hoehn
Publisher: VST
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Chapter 16, Problem 1RQ
The blood volume in an adult averages approximately (a) 1 L, (b) 3 L, (c) 5 L, (d) 7 L.
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The average blood volume in an adult is approximately:
(a) 1L
(b) 3L
(c) 5L
(d) 7L
A normal human contains 5 liters of blood, approximately 2% of which isresident in the systemic (i.e., non-pulmonary) capillaries at any given time.(a) Assuming that the capillaries are 8 μm in diameter, estimate the totallength of capillaries in the body (excluding the lungs).(b) If an average capillary length is 1 mm, how many capillaries are therein the body?(c) Cardiac output is 5 l/min. Assuming that this is evenly distributedthroughout a parallel network consisting of the capillaries found in (b),estimate the pressure drop across the capillary bed. Assume Newtonian,laminar flow in the capillaries with μeff of 3.5 cP. What percentage ofthe total 85mmHg systemic pressure drop is this?
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Chapter 16 Solutions
EBK ANATOMY & PHYSIOLOGY
Ch. 16 - Prob. 1CYUCh. 16 - List two protective functions of blood.Ch. 16 - Are plasma proteins used as fuel for body cells?...Ch. 16 - How many molecules of oxygen can each hemoglobin...Ch. 16 - Patients with advanced kidney disease often have...Ch. 16 - Which WBCs turn into macrophages in tissues? Which...Ch. 16 - Amos has leukemia. Even though his WBC count is...Ch. 16 - Prob. 9CYUCh. 16 - Prob. 10CYUCh. 16 - Prob. 11CYU
Ch. 16 - Nigel is told he has type B blood. Which ABO...Ch. 16 - Prob. 13CYUCh. 16 - The blood volume in an adult averages...Ch. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - The most numerous WBC is the (a) eosinophil, (b)...Ch. 16 - Blood proteins play an important part in (a) blood...Ch. 16 - The white blood cell that releases histamine and...Ch. 16 - The blood cell that can become an...Ch. 16 - Which of the following does not promote multiple...Ch. 16 - The normal pH of the blood is about (a) 8.4, (b)...Ch. 16 - Suppose your blood is AB positive. This means that...Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - What nutrients are needed for erythropoiesis?Ch. 16 - (a) Describe the process of erythropoiesis. (b)...Ch. 16 - Prob. 16RQCh. 16 - (a) If you had a severe infection, would you...Ch. 16 - (a) Describe the appearance of platelets and state...Ch. 16 - Prob. 19RQCh. 16 - (a) Define fibrinolysis. (b) What is the...Ch. 16 - (a) How is clot overgrowth usually prevented? (b)...Ch. 16 - How can liver dysfunction cause bleeding...Ch. 16 - Prob. 23RQCh. 16 - Prob. 24RQCh. 16 - Prob. 1CCSCh. 16 - Prob. 2CCSCh. 16 - Prob. 3CCSCh. 16 - Prob. 4CCSCh. 16 - Prob. 5CCS
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- Increasing the volume of the plasma would function to (A) increase blood viscosity (B) decrease blood viscosityarrow_forwardWhat is the approximate volume of blood plasma in a lean 60-kg male? In a lean 60-kg female? (Note: One liter of body fluid has a mass of 1 kilogram.)arrow_forwardFastyarrow_forward
- (a) Name the type of blood vessel labelled (i) C. (ii) D. (b) In which direction does blood in vessel A travel? (c) Which of the four blood vessels contains the most oxygen? (d) What happens to the amount of oxygen in the blood as it passes through the body organs? (e) What is the chamber of the heart labelled X? ·arrow_forwardIn a blood pressure reading of 120/80, the 120 represents and the 80 represents . (a) diastolic pressure; systolic pressure (b) pulse pressure; mean arterial pressure (c) systolic pressure; diastolic pressure (d) mean arterial pressure; pulse pressurearrow_forwardPlasma contributes approximately ________________percent of the volume of whole blood, and water accounts for _____________________ percent of the plasma volume. (a) 55, 92 (c) 92, 55 (b) 25, 55 (d) 35, 72.arrow_forward
- you are using a sphygmomanometer while listening to your patient's heart with a stethoscope. You heard the first tapping sound at 125mm Hg and then the sounds stopped at 83mm Hg. Calculate the mean arterial pressure. (A) 42 (B) 14 (C) 124 (D) 97 (E) 104arrow_forwardIncreased CO2 levels in tissues would promote, (a) contraction of precapillary sphincters. (b) an increase in the pH of the blood. (c) relaxation of precapillary sphincters. (d) a decrease of blood flow to tissues.arrow_forwardAn increase in mean blood pressure may be due to? a) an increase in heart rate b) an increase in peripheral resistance c) an increase in stroke volumearrow_forward
- The aorta is the principal blood vessel through which blood leaves the heart in order to circulate around the body. (a) Calculate the average speed of the blood in the aorta if the flow rate is 5.0 L/min. The aorta has a radius of 10 mm. (b) Blood also flows through smaller blood vessels known as capillaries. When the rate of blood flow in the aorta is 5.0 L/min, the speed of blood in the capillaries is about 0.33 mm/s. Given that the average diameter of a capillary is 8.0 μm (1 μm = 1 X 10 –6 m), calculate the number of capillaries in the blood circulatory system.arrow_forwardWhich element is monitored when taking a person pulse A) character B) volume C) systolic D) heat lossarrow_forwardKnowing the composition of blood is central to our understanding of the overall functions of the cardiovascular system and the respiratory system, and how these systems work together. a) Complete the Table below by;i) Describing the functions of each of the listed blood components.ii) Identifying if the blood component is directly (or indirectly) involved in the transport of respiratory gases. b) Explain how oxygen and carbon dioxide are transported in the bloodstream. Blood Component General Functions Involved in transport of respiratory gases (Yes / No) Plasma Red blood cells White blood cellsarrow_forward
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