Chapter 25 - Circulatory Systems (PDF)

a. Large arteries, terminal arteries, and arterioles b. Terminal arteries, arterioles, capillaries, and venules c. Capillaries, venules, and veins d. Venules and veins Answer: c Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 3. Applying 10. Which vessels of the systemic vasc...

a. Large arteries, terminal arteries, and arterioles b. Terminal arteries, arterioles, capillaries, and venules c. Capillaries, venules, and veins d. Venules and veins Answer: c Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 3. Applying 10. Which vessels of the systemic vascular system have the highest total cross-sectional area? a. Arterial vessels b. Capillary beds c. Venous vessels d. Both arteries and veins have equal areas. Answer: b Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 2. Understanding 11. In a mammal, blood pressure is lowest in the a. arterioles. b. capillaries. c. venules. d. veins. Answer: d Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 2. Understanding 12. Excessive protein in the blood plasma will _______ the loss of fluid through the capillaries. a. increase b. decrease c. have no effect on d. increase, and then decrease Answer: b Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 3. Applying 13. When a mammal exercises, oxygen delivery is increased by a. increased blood flow. b. the extraction of more O2 per unit volume. c. increased blood flow and the extraction of more O2 per unit volume. d. increased blood flow, the extraction of more O2 per unit volume, and a lowering of resistance in the systemic vasculature. Answer: d Textbook Reference: Circulation in Mammals and Birds Bloom’s Category: 3. Applying © 2016 Sinauer Associates, Inc. 14. In _______, there is no separation of oxygenated and deoxygenated blood at the heart. a. a teleost fish b. a lungfish c. amphibians d. reptiles Answer: a Textbook Reference: Circulation in Fish Bloom’s Category: 3. Applying 15. The chambers of the teleost fish heart are the a. atria and the ventricles. b. atria, ventricles, and bulbus arteriosus. c. sinus venosus, atrium, and ventricles. d. sinus venosus, atrium, ventricle, and bulbus arteriosus. Answer: d Textbook Reference: Circulation in Fish Bloom’s Category: 1. Remembering 16. In a fish that has an air-breathing organ, a. there are not likely to be functioning gills. b. the blood leaving the air-breathing organ mixes with blood leaving the gills. c. the blood leaving the air-breathing organ mixes with systemic venous blood. d. the blood enters the air-breathing organ following its exit from the gills. Answer: c Textbook Reference: Circulation in Fish Bloom’s Category: 5. Evaluating 17. Among nonavian reptiles, crocodilians are unique because they a. have birdlike blood pressures. b. have hearts that are large relative to their mass. c. can shunt blood. d. have a complete ventricular septum. Answer: d Textbook Reference: Circulation in Amphibians and in Reptiles Other than Birds Bloom’s Category: 3. Applying 18. Which statement about squid is false? a. Their systemic heart receives largely deoxygenated blood. b. Their systemic heart is myogenic. c. Blood enters the systemic heart from the gills. d. Branchial hearts pump blood through the gills. Answer: a Textbook Reference: Invertebrates with Closed Circulatory Systems Bloom’s Category: 5. Evaluating © 2016 Sinauer Associates, Inc. 19. In crustacean circulatory systems, deoxygenated blood from the tissues enters the heart via a. ostia. b. the cardinal veins. c. the dorsal abdominal artery. d. the dorsal abdominal vein. Answer: a Textbook Reference: Invertebrates with Open Circulatory Systems Bloom’s Category: 2. Understanding 20. Which statement about the insect circulatory system is true? a. Insects have a closed circulatory system and a tracheal system for delivering O2. b. Insects have an open circulatory system and a tracheal system for delivering O2. c. Insects have an open circulatory system and a derived lung for delivering O2. d. Insects have a closed circulatory system and solely a diffusion-based system for delivering O2. Answer: b Textbook Reference: Invertebrates with Open Circulatory Systems Bloom’s Category: 2. Understanding © 2016 Sinauer Associates, Inc.