Which of the following chemicals is released by the body that increases capillary permeability thereby producing excess mucous and fluids? Histamine 1 Histamine 2
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Which of the following chemicals is released by the body that increases capillary permeability thereby producing excess mucous and fluids?
- Histamine 1
- Histamine 2
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- Several years ago the deaths of several airline travelers led to warnings about economy-class syndrome. The idea is that economy-class passengers dont have as much leg room as passengers in more expensive seats, so they are more likely to sit essentially motionless for long periods on flightsconditions that may allow blood to pool and clots to form in the legs. This condition is called deep-vein thrombosis, or DVT. Given what you know about blood flow in the veins, explain why periodically getting up and moving around in the planes cabin during a long flight may lower the risk that a clot will form.https://www.youtube.com/watch?v=t0IngUYN2OA https://www.youtube.com/watch?v=pPxnIh_WTb8 Part1 1) How would the BP of an anxious patient visiting a doctor be different than if the patient is calm? 2) In atherosclerosis, plaque builds up inside the arteries. How would this affect BP? Is this an example of hypertension or hypotension? Part 2: The circulatory system has 5 functions. · Highlight the statements below that are only functions of the circulatory system. It carries cells that help to fight diseases. It gives structure and support to the body. It carries waste products to the urinary system. It carries carbon dioxide from cells to the lungs. It maintains body posture. It carries nutrients from the digestive system to other cells. It carries oxygen from the lungs to other cells. · The list gives some structures in the blood and circulatory system. Heart, artery, red blood cell, ventricle, capillary, plasma, vein, white blood…A lack of Von Willebrand factor or other clotting factors would cause a person to : be unable to vasodilate or vasoconstrict vessels be unable to produce platelets ( thrombocytes ) Obe unable to form a blood clot be unable to dissolve a blood clot
- Which of the following statements best describes systolic blood pressure? Systolic blood pressure depends upon the force of the heart contractions - the stronger the contractions the higher the systolic pressure will be. Systolic blood pressure depends on how tightly the cuff of the sphygmomanometer is tightened. Systolic blood pressure depends upon the resistance of the blood vessels - the greater the resistance to blood flow the higher the systolic pressure will be. Systolic blood pressure depends upon the force and frequency of the heart contractions - the stronger and more frequent the contractions the higher the systolic pressure will be.Which of the following is not an extensive property The combination of equivalent amounts of acids and bases is called? What is the correct sequence of the different stages in blood clotting? I Fibrinogin thrombin fibrin/II Prothrombin thromboplastin Thrombin CaEdema 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 False
- Sinusoid capillaries are found in all of the following areas of the body except carrying blood through the: skeletal muscles bone marrow liver O spleenWhich of the following is NOT true of gas, nutrient, and fluid exchange between capillaries and body tissues? Blood pressure is higher entering than leaving the capillary Osmotic pressure is constant across the capillary Blood pressure is less in the capillary than in the tissuesExcess fluid from the exchange enters the lymphatic duct Blood enters the capillary from the arterioleThe release of substances by vascular endothelial cells, which act on the smooth muscle surrounding the vessel would be an example of a mechanism of action. endocrine O paracrine O autocrine exoocrine
- Osmotic pressure and hydrostatic pressure are two factors that regulate blood volume at the smallest blood vessel level. In which blood vessels does all the exchange take place (including water)? Artery Arteriole Capillary Venule Vein True False Osmotic pressure determines the amount of water that is pulled into the blood (by osmosis) in the capillaries, dependent on the amount of particles in the plasma (regardless of particle size) True False Hydrostatic pressure determines the amount of water that leaves the capillaries and enters the interstitial fluid surrounding the capillaries.Hydrostatic pressure pushes fluid into / out of capillaries. Osmotic pressure drives fluid into / out of capillariesA person who has liver failure cannot synthesize the normal amount of plasma protein. How does a deficit of plasma protein affect blood colloid osmotic pressure and what is the effect on capillary exchange? Your answer should be your own words and no more than 2 sentences long.
