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Respiratory System: Objective and Subjective Questions

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Respiratory System: Objective and Subjective Questions
TUTORIAL 2: RESPIRATORY SYSTEM
OBJECTIVE QUESTION 1) High-flying birds are able to obtain enough oxygen even when the air is very thin because A) they have more efficient lungs than other vertebrates. B) they have reduced amounts of hemoglobin in their blood. C) their mitochondria are more efficient than those of other vertebrates. D) their heart can increase or decrease in size as altitude changes. E) they are able to store oxygen in oxygen chambers within muscle cells. 2) If you were to move from around sea level to a much higher altitude, your body would respond with A) profuse sweating. B) a decrease in the diameter and number of capillaries close to your body's surface. C) an increase in energy production. D) a decrease in the affinity of hemoglobin for oxygen. E) an increase in the number of your red blood cells. 3) The reason animals need a continuous supply of oxygen is to A) make carbon dioxide. B) synthesize protein. C) dispose of carbon dioxide. D) carry out glycolysis. E) obtain energy from their food. 4) A waste product of respiration is A) water. B) electrons. C) hydrogen peroxide. D) carbon dioxide. E) glucose. 5) When you exhale, you A) release oxygen and carbon dioxide. B) exchange CO2 for O2. C) take up oxygen and release carbon dioxide to the blood. D) take up carbon dioxide and release oxygen. E) remove CO2 from the body. 6) In the final phase of respiration, body cells A) release CO2 to red blood cells. B) take up O2 from red blood cells. C) increase in size to accommodate the reuptake of O2. D) migrate to the circulatory system. E) release CO2 and take up O2.

7) The body structure where gas exchange occurs is called the A) integumentary surface. B) respiratory surface. C) capillary surface. D) exchange network. E) capillary network. 8) Animals that effectively use their body surface for gas exchange must A) be terrestrial. B) have a high ratio of body surface area to volume. C) have a low ratio of body surface area to volume. D) be

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