Chapter 3 Flashcards
Which of the following is a small terminal branch of an artery, which ends in capillaries?
a. Vein
b. Atrium
c. Arteriole
d. Venule
c. Arteriole Correct
Which of the following is a system of organs that collects oxygen from the external environment and transports it to the bloodstream?
a. Integumentary system
b. Endocrine system
c. Respiratory system
d. Immune system
Respiratory system
After leaving the left ventricle, blood enters which structure?
a. Inferior vena cava
b. Superior vena cava
c. Aorta
d. Pulmonary artery
Aorta Correct
Heavy breathing results in an increase in the activity level of which of the following secondary respiratory muscles?
a. Internal oblique
b. Scalenes
c. Diaphragm
d. Rectus abdominis
b. Scalenes
What term describes the number of heart beats per minute and the amount of blood pumped per beat?
a. Cardiac output
b. Blood pressure
c. Heart rate
d. Stroke volume
a. Cardiac output Correct