Anatomy and Physiology by OpenStax
17th Edition
ISBN: 9781506698021
Author: J. Gordon Betts;Dean H. Kruse;Kelly A. Young;Peter DeSaix;Brandon Poe;Oksana Korol;James A. Wise;Eddie Johnson;Jody E. Johnson;Mark Womble
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 20, Problem 34CTQ
True or false? The plasma proteins suspended in blood cross the capillary cell membrane and enter the tissue fluid via facilitated diffusion. Explain your thinking.
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True or false? The plasma proteins suspended in bloodcross the capillary cell membrane and enter the tissue fluidvia facilitated diffusion. Explain your thinking
Blood clotting is one of nature's most elegant creations, but it sometimes goes awry. Use your knowledge of different types of blood cells and the chemical aspects of the clotting process to answer the following:
1. After getting his blood cell count, Josh was informed that his platelet count was low. What is a typical platelet count? How would Josh's low platelet count impact his hemostasis after getting a cut on his forearm? (Be very specific)
2. Briefly explain the different roles of the three stages of the intrinsic blood clotting pathway
3. Explain how any event that prevents plasminogen from becoming fully activated would lead to a thromboembolic disorder. Identify all the chemicals that directly activate plasminogen.
4. Identify the two most common types of the genetic disorder called hemophilia. Explain how each of two types of hemophilia result in impaired hemostasis.
5. Explain how the endocrine system contributes to the homeostasis of blood oxygen levels.
Blood always contains a larger concentration of solutes than interstitial fluid within tissues. The capillaries act as semipermeable membranes between the blood and the interstitial fluid. Explain how this might cause the absorption of fluid out of the interstitium and into the blood.
Chapter 20 Solutions
Anatomy and Physiology by OpenStax
Ch. 20 - Watch this video...Ch. 20 - Listen to this CDC podcast...Ch. 20 - The endothelium is found in the ________. tunica...Ch. 20 - Nervi vasorum control ________. vasoconstriction...Ch. 20 - Closer to the heart, arteries would be expected to...Ch. 20 - Which of the following best describes veins? thick...Ch. 20 - An especially leaky type of capillary found in the...Ch. 20 - In a blood pressure measurement of 110/70, the...Ch. 20 - A healthy elastic artery ________. is compliant...Ch. 20 - Which of the following statements is true? The...
Ch. 20 - Slight vasodilation in an arteriole prompts a...Ch. 20 - Venoconstriction increases which of the following?...Ch. 20 - Hydrostatic pressure is ________. greater than...Ch. 20 - Net filtration pressure is calculated by ________....Ch. 20 - Which of the following statements is true? In one...Ch. 20 - Clusters of neurons in the medulla oblongata that...Ch. 20 - In the renin-angiotensin-aldosterone mechanism,...Ch. 20 - In the myogenic response, ________. muscle...Ch. 20 - A form of circulatory shock common in young...Ch. 20 - The coronary arteries branch off of the ________....Ch. 20 - Which of the following statements is true? The...Ch. 20 - Arteries serving the stomach, pancreas, and liver...Ch. 20 - The right and left brachiocephalic veins ________....Ch. 20 - The hepatic portal system delivers blood from the...Ch. 20 - Blood islands are ________. clusters of...Ch. 20 - Which of the following statements is true? Two...Ch. 20 - The ductus venosus is a shunt that allows...Ch. 20 - Arterioles are often referred to as resistance...Ch. 20 - Cocaine use causes vasoconstriction. Is this...Ch. 20 - A blood vessel with a few smooth muscle fibers and...Ch. 20 - You measure a patients blood pressure at 130/85....Ch. 20 - An obese patient comes to the clinic complaining...Ch. 20 - A patient arrives at the emergency department with...Ch. 20 - True or false? The plasma proteins suspended in...Ch. 20 - A patient arrives in the emergency department with...Ch. 20 - Nitric oxide is broken down very quickly after its...Ch. 20 - Identify the ventricle of the heart that pumps...Ch. 20 - What organs do the gonadal veins drain?Ch. 20 - What arteries play the leading roles in supplying...Ch. 20 - All tissues, including malignant tumors, need a...Ch. 20 - Explain the location and importance of the ductus...
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- Transport of biomolecules to tissues takes place through capillary walls by both convection and diffusion. Consider an endothelium in which the gaps between the cells are characterized by the following dimensions: L=1 µm long, h=200 nm high, and W=10 nm in width (the last dimension is the distance between the two cells). The fluid is at 37degC and has the same properties as physiologic saline. Let the average pressure in the capillary be 45 mm Hg and let the pressure in the tissue be 0 mm Hg (ignore osmotic effects). Consider a small solute that has a diffusion coefficient of 1x10-5 cm2/s. Does this solute pass across the endothelium by diffusion or is it primarily carried by flow?arrow_forwardWhat’s the correct option?arrow_forwardLabel the blood vessels in Figure asaparrow_forward
- Edema develops in inflammation because during inflammation proteins leak from blood in the capillaries into interstitial fluid thereby decreasing capillary osmotic pressure while increasing the interstitial fluid osmotic pressure. O True O Falsearrow_forwardMy answer is incorrect, i want to use this to study can you please provide me with the correct answer.arrow_forwardLabel the blood vessels in Figure do answer!arrow_forward
- You have a solution of 0.30 M glycerin. Glycerin is a lipid molecule and penetrates through the cell membrane. If you place red blood cells into this solution predict what would happen to the red blood cells (stay same, crenated, lysed). Determine: 1. the osmolarity of 0.30 M glycerin 2. apperance/effect on RBC 3. tonicityarrow_forward________ are the transport proteins of the blood (think “shuttle busses”) and make up _____% of these proteinsarrow_forwardYou are working with different tissues in lab, unfortunately you forgot to label them and your friend wants to borrow your slide containing liver tissue. Based on your knowledge of the liver and these descriptions of different slides which is most likely to be liver tissue? A slide with densely packed cells and canals for blood flow. A slide with many red blood cells and a few white blood cells of various types. A slide with densely packed white blood cells. A slide with multinucleate striated cells, parallel with one another. A slide with many neurons, connected together in an elaborate web.arrow_forward
- You want to understand how the density of P-selectin in blood vessel walls affects the rolling interactions of neutrophils when they are subjected to hydrodynamic drag forces in the blood. You introduce P-selectin into a synthetic lipid bilayer and attach it to a glass slide mounted in a flow chamber. This arrangement allows you to measure neutrophil attachment at different densities of P-selectin and at different flow rates. At high densities, from 30 to 400 P-selectin molecules per µm², the neutrophils attached to the membrane and rolled very slowly and jerkily in the direction of the flow (see cell 1 in the figure). At the same flow rate, but at a density of 15 P-selectins per µm², the neutrophils behaved differently: they either moved at the flow rate of the medium or were transiently tethered-horizontal lines marked by t-before moving again (cell 2 in the figure). Neutrophils showed this same behavior at a density of 1 P-selectins per μm² and half the flow rate: moving at the flow…arrow_forwardWhen the protein spectrin (in human red blood cells) holds the erythrocyte membrane in place, by attaching it to cytoskeletal proteins, spectrin is exhibiting: restricted movement in the membrane, based on tethering to extracellular molecules restricted movement in the membrane, based on confinement by diffusion barriers unrestricted movement in the membrane, similar to membrane lipids restricted movement in the membrane, based on attachment to other cells restricted movement in the membrane, based on anchoring to intracellular proteinsarrow_forwardLabel the nucleus, cytoplasm, and cell membrane of the following pictures. The red one is the human red blood cell under HPO, while the orange one is the toad red blood cell. Describe each cell and compare the two.arrow_forward
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