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Chapter 42: Circulation and Gas Exchange
 
Activities Quiz
 

Activities Quiz


1 .       The posterior inferior vena cava is indicated by the letter _____. (Activity: Mammalian Cardiovascular System Structure)

question #1 

 A
 B
 C
 D
 E
2 .       Arteries carry blood _____. (Activity: Mammalian Cardiovascular System Structure) 

 away from capillaries
 away from the heart and away from the lungs
 to the heart and away from the lungs
 to the heart only
 away from the heart only
3 .       Blood returns to the heart via the _____.(Activity: Mammalian Cardiovascular System Structure) and (Activity: Path of Blood Flow in Mammals) 

 aorta
 pulmonary arteries
 pulmonary veins
 aorta and pulmonary arteries
 aorta and pulmonary veins
4 .       From the pulmonary veins, blood flows to the _____. (Activity: Mammalian Cardiovascular System Structure) and (Activity: Path of Blood Flow in Mammals) 

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 posterior vena cava
5 .       From the anterior vena cava, blood flows to the _____. (Activity: Mammalian Cardiovascular System Structure) and (Activity: Path of Blood Flow in Mammals) 

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 posterior vena cava
6 .       From the capillaries of the abdominal organs and hind limbs, blood flows to the _____. (Activity: Mammalian Cardiovascular System Structure) and (Activity: Path of Blood Flow in Mammals) 

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 posterior vena cava
7 .       Carbon dioxide enters the blood at the _____. (Activity: Mammalian Cardiovascular System Function) 

 capillaries of the lungs
 capillaries of the abdominal organs
 capillaries of the hind limbs
 capillaries of the head and forelimbs
 capillaries of the head, forelimbs, abdominal organs, and hind limbs
8 .       The _____ has(have) the thinnest walls. (Activity: Mammalian Cardiovascular System Function) 

 aorta
 capillaries
 posterior vena cava
 pulmonary artery
 right ventricle
9 .       Blood pressure is highest in the _____. (Activity: Mammalian Cardiovascular System Function) 

 aorta
 posterior vena cava
 anterior vena cava
 pulmonary artery
 capillaries
10 .       Most gas exchange with blood vessels occurs across the walls of the structure indicated by the letter _____. (Activity: Mammalian Cardiovascular System Function)

question #10 

 A
 B
 C
 D
 E
11 .       Voice sounds are produced by the _____. (Activity: The Human Respiratory System) 

 trachea
 diaphragm
 bronchioles
 larynx
 lungs
12 .       The primary functions of the _____ are to warm, filter, and humidify air. (Activity: The Human Respiratory System) 

 lungs
 trachea
 bronchus
 nasal cavity
 alveoli
13 .       Most carbon dioxide is carried from the body tissues to the lungs _____. (Activity: Transport of Respiratory Gases) 

 as bicarbonate ions (HCO3-)
 combined with hemoglobin
 by the trachea
 as hydrogen ions (H+)
 dissolved in blood plasma
14 .       By picking up hydrogen ions, hemoglobin prevents the blood from becoming too _____. (Activity: Transport of Respiratory Gases) 

 acidic
 basic
 thick
 low in oxygen concentration
 red
15 .       In the blood most of the oxygen that will be used in cellular respiration is carried from the lungs to the body tissues _____. (Activity: Transport of Respiratory Gases) 

 as bicarbonate ions (HCO3-)
 combined with hemoglobin
 by the trachea
 water (H2O)
 dissolved in blood plasma





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