AnswersGV 2018 - P.E. Health Science Concepts - PE361Common Diseases and Disorders of the Cardiovascular System

Common Diseases and Disorders of the Cardiovascular System — Unit test Answers

7 verified answers
4

Travis is taking a long run, and his muscle tissue needs more oxygen. He is breathing heavily and taking in a lot of oxygen. How does this exercise affect circulation?

A
Travis’s heart pumps more quickly to allow oxygen to be removed from the air and transported to the tissue.
B
Travis’s heart pumps more slowly to give the blood cells time to pick up the oxygen and drop it off at the tissues.
C
Travis’s coronary arteries become blocked, so blood travels to other muscles, where it is necessary.
D
Travis’s heart starts angiogenesis so that he has more vessels to transport blood to the tissues.
6

Examine this diagram of a human heart. What is the structure indicated by the arrow?

Question illustration
A
the pulmonary artery
B
the pulmonary vein
C
the superior vena cava
D
the aorta
7

There is a medical expert on television discussing the latest advances in implantable cardioverter-defibrillators. What is this device used for?

A
to remove an embolism surgically
B
to treat life-threatening heart rhythms
C
to mechanically widen a clogged artery
D
to reduce heart blood pressure to normal levels

Did you find these answers helpful?