Concept explainers
Introduction:
The primary cause of reduced or increased
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Anatomy & Physiology: An Integrative Approach
- erythropoietin release in the body happens when an individual is at high altitude. It results in a. Changes in fluid balance b. An increased RBC count c. Increased tidal volume d. increased cardiac outputarrow_forwardWhich of the following statements is correct? a. Arteries carry blood away from the heart and veins carry blood to the heart. b. Arteries carry blood to the heart and veins carry blood away from the heart. C. All arteries carry oxygen-rich blood and veins carry oxygen-poor blood. d. Arteries carry oxygen-poor blood and veins carry oxygen-rich blood.arrow_forwardWhich of these statements about carbonic anhydrase is incorrect? Question 17Answer a. It catalyzes the formation of oxyhemoglobin from oxygen and reduced hemoglobin. b. It is found in the red blood cells. c. It accelerates the reaction of carbon dioxide and water. d. It catalyzes the formation of carbonic acid from carbon dioxide and water.arrow_forward
- A patient had been vomiting for the last 3 days and has an abnormally low respiratory rate. A. Why do you think they have a low respiratory rate? B. What do you think has happened to the ECF volume and osmolarity over the last 3 days? C. Will this lead to any changes in the volume of water in their cells?arrow_forwardUse the image to answer the question. The ability of oxygen to bind hemoglobin changes with altitude as shown. Which statement, if true, BEST explains this observation? A. The partial pressure of atmospheric oxygen decreases with altitude. B. The partial pressure of atmospheric oxygen increases with altitude. C. The partial pressure of atmospheric carbon dioxide decreases with altitude. D. The partial pressure of atmospheric carbon dioxide increases with altitude.arrow_forwardA person with a genetic defect which results in the synthesis of an insufficient amount of the alpha chain of hemoglobin is said to have which disease? A) alpha thalassemia b) beta thalassemia c) pernicious anemia d) Crohn’s diseasearrow_forward
- How will the red blood cells look like under a microscope when blood is mixed with a solution that contains 300 grams of sodium chloride in 100 milliliters of water? a. No change in the appearance of blood cells b. Engorged erythrocytes c. Irregularly shaped erythrocytes with ragged edges d. Swollen erythrocytesarrow_forwardThe movement of gas from an area of higher pressure to an area of lower pressure until the partial pressures in the two areas become equal is caused by ________________. Group of answer choices A the partial pressure gradient B the solubility coefficient C active transport D cellular respirationarrow_forwardWhich is NOT a desired physiological effect of cryotherapy? A:Vasoconstriction B:Vasodilation C:Decrease in cell metabolism D:increase in blood viscosityarrow_forward
- An 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_forwardIf partial pressure of oxygen were about 35 MMHG and the capillaries then a. the cells would not need extra oxygen b. CO2 pressure would be very low in the cells c. it would not be able to diffuse into the tissue cells d. it would easily travel and capillaries and if used to the needy cellsarrow_forwardWhich statement accurately explains why arterial walls are thicker than the walls of veins? A. Arteries need to withstand more hydrostatic pressure than do the veins. B. More blood flows through the arteries than through the veins. C. Arterial blood has more red blood cells than veins do. D. The higher oxygen content of arterial blood requires thicker walls. E. All of the above answer choices correctly answer the question.arrow_forward
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