Cardiovascular Test Corrections

Question 1

1. which of these is not a function of the cardiovascular system?

Answer 1

controlling many body processes by means of chemicals

Question 2

9. If a persons blood lacked platelets,

what process could not take place?

Answer 2

Clotting of blood

Question 3

21. How is the heart different from the other muscles in your body?

Answer 3

It never gets tired.

Question 4

28. What happens to blood, which has already circulated through the body, when it moved into the heart?

Answer 4

The blood travels to the lungs for more oxygen

Question 5

32. How does pulmonary circulation differ from coronary circulation?

Answer 5

Coronary circulation occurs in the heart; pulmonary circulation occurs in the heart

Question 6

33. What would happen if your circulatory system did not deliver oxygen to your body’s cells?

Answer 6

Your body cells would die

Question 7

34.

Through which type of circulation does blood flow to your hands and feet?

Answer 7

systemic circulation

Question 8

45. How are antigens different from antibodies?

Answer 8

Anti bodies Are present in white blood cells ; antigens are present in red blood cells

Question 9

51. What word best describes the beating of the heat and the circulation of blood?

Answer 9

Automatic

Question 10

If your blood type is O- that means

Answer 10

you have no agglutinogens on your red blood cells

Question 11

59. The ___ side of the heart is the ____ circuit and pumps oxygen- poor blood to the ____

Answer 11

right; pulmonary; lungs

Question 12

The __ of

the heart is the ____ circuit and pumps oxygen- rich blood to the ___

Answer 12

left; systemic; body

Question 13

The purpose of the serous fluid in the pericardial cavity is

Answer 13

to carry critical nutrients like oxygen to the heart

Question 14

Explain how the unique shape of enthyrocytes enables them to best carry out their function?

Answer 14

They are flattened and bio concave (donut-like) shape gives them more surface area to maximize gas exchange - which is critical b/c they contain hemoglobin which transports oxygen

Question 15

67. Describe the roles of two other organ systems in this process

Answer 15

red bone marrow (skeletal system)

regulated by a hormone called EPO (endocrine system

Question 16

68. d- Who can you donate blood to?

Answer 16

Type A or AB , b/c there blood doesn’t create anti A antibodies

Question 17

73.Describe three factors that cause resistance to the flow of blood through the vessels. Explain which has
the greatest
impact?

Answer 17

bloods viscosity, length of a blood vessel and the diameter; the diameter of a blood vessel has the greatest impact b/c the viscosity of blood and the length of a blood vessel remain relatively constant where as the diameter of the blood vessel can change of the vessel contracts or is blocked in someway

Question 18

69. What is coronary circulation?

Answer 18

supplies the heart with its own oxygen rich blood to keep it nourished

Question 19

71. After the blood travels back to the pulmonary veins as O2 rich blood to the atrium and then through the mitral valve to the left ventricle and then through—-

Answer 19

aortic valve

Question 20

72. B. figure

C. Figure

Answer 20

B. aorta

C. pulmonary vein