Cardiovascular System

Question 1

What is the function of red blood cells?

Answer 1

Carry oxygen

Question 2

What is the function of white blood cells?

Answer 2

Fight infection

Question 3

What is the function of platelets?

Answer 3

Blood clotting

Question 4

What type of blood vessels take blood away from the heart?

Answer 4

Artery

Question 5

What type of blood vessels bring blood back to the heart?

Answer 5

Vein

Question 6

What type of blood vessels are very thin and is where gas exchange happens?

Answer 6

Capillaries

Question 7

What blood vessels connect arteries and capillaries?

Answer 7

Arterioles (can control blood pressure)

Question 8

What blood vessels connect capillaries and veins?

Answer 8

Venules

Question 9

Where are red blood cells produced?

Answer 9

Red bone marrow

Question 10

How many different types of white blood cells are there?

Answer 10

Five – Neutrophils, Eosinophils, Basophils, Lymphocytes, Monocytes

Question 11

Name the 3 components of the cardiovascular system.

Answer 11

Heart, blood vessels and blood.

Question 12

Which component of the cardiovascular systems function is to carry blood to cells in body + help regulate body temperature and blood pressure?

Answer 12

Blood vessels

Question 13

What are the functions of blood?

Answer 13

To carry materials needed (o2 and nutrients) to cells and remove waste. Transport hormones, help regulate pH, temperature, pressure and water content, a body defense.

Question 14

What is the function of the heart?

Answer 14

Pump blood into arteries

Question 15

Blood is made up of __% blood plasma and __% formed element?

Answer 15

55%, 45%

Question 16

Which white blood cell releases histamines in allergic reactions?

Answer 16

Basophils

Question 17

Which white blood cell is especially effective against parasitic worms?

Answer 17

Eosinophils

Question 18

What are Neutrophils?

Answer 18

Phagocytes - against bacteria

Question 19

Which white blood cells get rid of worn out cells and can become phagocytes?

Answer 19

Monocytes

Question 20

What do Lymphocytes do? (T-cells, B-cells, NK-cells)

Answer 20

Attack and destroy a variety of microbes and dangerous cells.

Question 21

Describe the blood flow through the heart starting at the inferior and superior vena cava

Answer 21

Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary arteries/trunk. Oxygenated blood returns via pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic valve, aorta to the cells.

Question 22

True or false, veins carry blood to the heart?

Answer 22

True

Question 23

What is the normal range for blood pH?

Answer 23

7.35 to 7.45

Question 24

A neutral pH, temperature of 37 degrees, oxygen & water and nutrients such as proteins, glucose and fats are all factors that ______ microbial infections of blood?

Answer 24

Aid

Question 25

What hinders microbial infections of blood?

Answer 25

Antibodies, rapidly moving blood, blood cells (lymphocytes, monocytes, leukocytes), blood recirculating through the spleen and liver-sinusoids

Question 26

Describe sepsis?

Answer 26

Presence of toxins or disease causing bacteria in blood and tissue

Question 27

What is another name for blood poisoning caused by rapid multiplication of pathogens?

Answer 27

Septicemia

Question 28

Name the main types of microbes causing infection of the blood

Answer 28

Bacteria - S. aureus, Viruses - HIV, Ebola, Dengue fever & Protozoa - Malaria, Toxoplasmosis