Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 18, Problem 16CYR
Summary Introduction
Introduction:
Capillaries usually form branching networks called capillary beds, which allow quick exchange of substances between cells and the blood. There are two main types of pressure in the capillaries: the colloidal osmotic pressure (COP) and the hydrostatic pressure (HP). These cause water to move inopposite directions. The net filtration pressure (NFP) is the overall pressure that can drive water in and out of the capillaries. It is equal to the difference between the opposite HP (drives water out) and the COP (drives water in).
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. 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.
Select ALL of the following that are TRUE about the venous end of a capillary bed:
Group of answer choices
A. Reabsorption is occurring
B. Hydrostatic pressure is pushing plasma out of the capillary
C. Blood Colloid Osmotic Pressure < Capillary Hydrostatic Pressure
D. Filtration is occurring
E. Proteins are pulling fluids into the capillary
F. Net Filtration Pressure is negative
G. Blood Colloid Osmotic Pressure > Capillary Hydrostatic Pressure
H. Net Filtration Pressure is positive
Pressure sensing by the kidneys is a better surrogate for:
A. Heart rate
B. Stroke volume
C. Cardiac output
D. Differences in water concentration between the intracellular and extracellular compartments
Chapter 18 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 18.1 - Define the three types of blood vessels in the...Ch. 18.1 - Prob. 2QCCh. 18.1 - Prob. 3QCCh. 18.1 - Prob. 4QCCh. 18.1 - Prob. 5QCCh. 18.1 - 6. How do veins differ structurally and...Ch. 18.1 - Prob. 7QCCh. 18.1 - What are venous valves, and what are their...Ch. 18.1 - Prob. 9QCCh. 18.2 - Prob. 1QC
Ch. 18.2 - Prob. 2QCCh. 18.2 - Prob. 3QCCh. 18.2 - Prob. 4QCCh. 18.2 - Prob. 5QCCh. 18.2 - Prob. 6QCCh. 18.2 - 7. How does mean arterial pressure differ from...Ch. 18.2 - Prob. 8QCCh. 18.2 - Prob. 9QCCh. 18.3 - Prob. 1QCCh. 18.3 - Prob. 2QCCh. 18.3 - Prob. 3QCCh. 18.3 - Prob. 4QCCh. 18.3 - Prob. 5QCCh. 18.3 - Prob. 6QCCh. 18.3 - Prob. 7QCCh. 18.3 - 8. What is circulatory shock, and why is it...Ch. 18.4 - Describe the structure and size of a typical...Ch. 18.4 - 2. List three ways in which substances may cross...Ch. 18.4 - 3. Describe the properties of the three types of...Ch. 18.4 - 4. What is tissue perfusion?
Ch. 18.4 - Prob. 5QCCh. 18.4 - Prob. 6QCCh. 18.4 - Prob. 7QCCh. 18.4 - Prob. 8QCCh. 18.4 - Prob. 9QCCh. 18.5 - What is hydrostatic pressure? How does hydrostatic...Ch. 18.5 - 2. In which direction does the hydrostatic...Ch. 18.5 - 3. What is colloid osmotic pressure? In which...Ch. 18.5 - Prob. 4QCCh. 18.5 - Where in the capillary does net filtration take...Ch. 18.5 - Prob. 6QCCh. 18.6 - List the three branches of the aortic arch.Ch. 18.6 - Prob. 2QCCh. 18.6 - 3. What is the cerebral arterial circle, and what...Ch. 18.6 - Prob. 4QCCh. 18.6 - Which arteries supply the anterior and posterior...Ch. 18.6 - Prob. 6QCCh. 18.6 - Which artery supplies the upper limb?Ch. 18.6 - Trace the arterial supply of the upper limb from...Ch. 18.6 - 9. Which artery supplies the lower limb?
Ch. 18.6 - Trace the arterial supply of the lower limb from...Ch. 18.6 - Prob. 11QCCh. 18.7 - Where do most veins superior to the diaphragm...Ch. 18.7 - Prob. 2QCCh. 18.7 - Where are the dural sinuses located? What drains...Ch. 18.7 - How does drainage of the posterior body wall...Ch. 18.7 - 5. Which abdominal vessels drain straight into...Ch. 18.7 - Prob. 6QCCh. 18.7 - Prob. 7QCCh. 18.7 - Prob. 8QCCh. 18.7 - Prob. 9QCCh. 18.7 - Prob. 10QCCh. 18 - Prob. 1CYRCh. 18 - Locations where vessels connect via collateral...Ch. 18 - 3. The carotid sinus contains:
a....Ch. 18 - 4. Which of the following factors would increase...Ch. 18 - Which of the following would produce a decrease in...Ch. 18 - Fill in the blanks: The two pressures within the...Ch. 18 - The lowest pressure in the systemic circuit occurs...Ch. 18 - Explain the mechanisms that assist in the return...Ch. 18 - Mark the following statements as true or false. If...Ch. 18 - Prob. 10CYRCh. 18 - Capillaries consist of: a. three thin tunics. b....Ch. 18 - List three ways in which substances can cross the...Ch. 18 - Which of the following structures is the leakiest?...Ch. 18 - Prob. 14CYRCh. 18 - 15. The hydrostatic pressure gradient drives water...Ch. 18 - Prob. 16CYRCh. 18 - Match the following arteries with the correct...Ch. 18 - Which of the following is not a common pulse...Ch. 18 - 19. Which of the following vessels does not drain...Ch. 18 - Match the following veins with the correct...Ch. 18 - 1. Explain why a severed artery spurts blood,...Ch. 18 - 2. Explain why a person who is 7 feet tall is...Ch. 18 - Prob. 3CYUCh. 18 - Prob. 1AYKACh. 18 - 2. Mr. Gupta has been diagnosed with nephrotic...Ch. 18 - Predict the effects of each of the following on...Ch. 18 - Prob. 4AYKBCh. 18 - Ms. Rodgers has been diagnosed with secretion of...
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- Which 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_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_forwardAll of the followings are correct, except ---------------------.A. Continuous capillaries like those we see in skeletal muscles are the least permeableB. The fenestrated capillaries like those of the glomerulus have Intermediate permeability C. The sinusoidal capillaries like those of the liver are the most permeableD. Arterial side of the capillaries are suitable for absorptionE. In the venous sides of the capillaries, the lower blood pressure will favor absorptionarrow_forward
- To control size-determined filtration, capillaries of the glomerulus inside the Bowman’s capsule are: A. continuous wrapped in glia B. sinusoid C. fenestrated D. continuousarrow_forwardMatch the following facts about the Renkin-Crone equation. 1.Flow limited 2.Diffusion limited 3.Solute Extraction A. The amount of solute actually transported across the capillary compared to the maximum amount available for transport. B. The rate of mass transport of the solute by diffusion out of the capillary into the tissue is faster than the rate of transport into the capillary by advection. C. Membrane Permeability. D. The relative rate of transport by diffusion to that of advection. E. The rate of mass transport of the solute into the capillary by advection is faster than by diffusion out of the capillary into the tissue.arrow_forwardWhich of the following would promote the filtration of fluid out of a capillary and into the interstitial fluid? Group of answer choices An increase in hydrostatic pressure in the interstitial fluid An increase in both hydrostatic pressure in the interstitial fluid and colloid osmotic pressure if the blood plasma An increase in colloid osmotic pressure if the blood plasma An increase in hydrostatic pressure in the capillaryarrow_forward
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