Chapter Chapter 23: Circulation
 
Activities Quiz
 

1 .       The inferior vena cava is indicated by the letter _____. (Activity 23A)

question #1 [Hint]

 A
 B
 C
 D
 E


2 .       Arteries carry blood _____. (Activity 23A) [Hint]

 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 23A) and (Activity 23B) [Hint]

 aorta
 pulmonary arteries
 pulmonary veins
 aorta and pulmonary arteries
 aorta and pulmonary veins


4 .       From the pulmonary veins, blood flows directly to the _____. (Activity 23A) and (Activity 23B) [Hint]

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 inferior vena cava


5 .       From the superior vena cava, blood flows directly to the _____. (Activity 23A) and (Activity 23B) [Hint]

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 inferior vena cava


6 .       From the capillaries of the lower body, blood flows immediately to the _____. (Activity 23A) and (Activity 23B) [Hint]

 right atrium
 left atrium
 aorta
 capillaries of the lungs
 inferior vena cava


7 .       The right atrium is separated from the right ventricle by _____. (Activity 23A) and (Activity 23B) [Hint]

 semilunar valves
 aorta
 lungs
 atrioventricular valves
 capillaries


8 .       The right ventricle is separated from the pulmonary artery by _____. (Activity 23A) and (Activity 23B) [Hint]

 semilunar valves
 inferior vena cava
 superior vena cava
 capillaries
 atrioventricular valves


9 .       In mammals, _____. (Activity 23B) [Hint]

 oxygenated and deoxygenated blood mix
 the right ventricle pumps blood to the capillaries of the upper and lower body
 the left ventricle pumps blood to the capillaries of the lungs
 there is a single circulation
 there is a double circulation


10 .       The pulmonary circuit pumps blood from the _____. (Activity 23B) [Hint]

 right atrium to the right ventricle
 left atrium to the left ventricle
 right side of the heart to the lungs to the left side of the heart
 right ventricle to the right atrium
 left side of the heart to the body to the right side of the heart


11 .       The systemic circuit pumps blood from the _____. (Activity 23B) [Hint]

 right side of the heart to the lungs to the left side of the heart
 left atrium to the left ventricle
 pulmonary capillaries to the capillaries of the upper body
 left side of the heart to the body to the right side of the heart
 right ventricle to the right atrium


12 .       Carbon dioxide enters the blood at the _____. (Activity 23C) [Hint]

 capillaries of the lungs
 capillaries of the abdominal organs
 capillaries of the legs
 capillaries of the head and forelimbs
 capillaries of the head, forelimbs, abdominal organs, and legs


13 .       The _____ has(have) the thinnest walls. (Activity 23C) [Hint]

 aorta
 capillaries
 inferior vena cava
 pulmonary artery
 right ventricle


14 .       Blood pressure is highest in the _____. (Activity 23C) [Hint]

 aorta
 inferior vena cava
 superior vena cava
 pulmonary artery
 capillaries


15 .       Most gas exchange with blood vessels occurs across the walls of the structure indicated by the letter _____. (Activity 23C)

question #10question #10 [Hint]

 A
 B
 C
 D
 E