U6

Question 1

Aorta carries blood from where and to where? is it an artery or vein and is the blood oxygenated or deoxygenated?

Answer 1

From: heart
To: body
Artery/Oxygenated

Question 2

What is the difference between the superior/anterior vena cava vs. the inferior/posterior vena cava?

Answer 2

super/anterior from head/upper body to heart
inferior/posterior from lower body to heart

Question 3

where does the jugular vein carry blood from and to?

Answer 3

from: head
to: superior/anterior vena cava

Question 4

where do subclavian arteries carry blood to and subclavian veins carry blood from?

Answer 4

arms

Question 5

what is special about the pulmonary veins/arteries?

Answer 5

they only veins in the body that carry oxygenated blood and only arteries to carry deoxygenated blood

Question 6

pulmonary artery collects blood from where?

Answer 6

right side of the heart

Question 7

pulmonary vein carries blood to where?

Answer 7

left side of heart

Question 8

where do iliac arteries carry blood to and iliac veins carry blood from?

Answer 8

legs

Question 9

where are veins located in the body?

Answer 9

along the surface near the skeletal muscle

Question 10

where are arteries located?

Answer 10

deep in the body near the bones

Question 11

what is the function of the carotid arteries?

Answer 11

blood to brain

Question 12

how are arterioles and venules similar to arteries and veins?

Answer 12

they’re tiny versions of arteries and veins and share all the characteristics except size

Question 13

In the fetal system, which structure is responsible for taking oxygen and glucose to the fetus?

Answer 13

umbilical vein

Question 14

What does the umbilical artery transport from the fetus to the placenta?

Answer 14

CO2 and Urea

Question 15

The venous duct allows blood to bypass which organ?

Answer 15

liver

Question 16

What feature allows blood to bypass the lungs?

Answer 16

the arterial duct

Question 17

What causes a blue baby?

Answer 17

Oval opening not closing

Question 18

What allows maternal and baby blood not to mix?

Answer 18

the placenta

Question 19

What does lymph fluid contain?

Answer 19

1. proteins and fats 2. damaged cells and cancer cells 3. foreign invaders (bacteria/viruses) and WBC

Question 20

What are the 4 functions of the lymphatic system?

Answer 20

1. takes excess tissue fluid and sends it to the circulatory system
2. Absorbs products of fat digestion into lacteals -> lymph vessels and nodes
3. Lymph nodes produce lymphocytes aka WBC
   4.Lymph nodes trap and filter bacteria and debris

Question 21

Where does the lymphatic system join the circulatory system?

Answer 21

subclavian veins

Question 22

What are the 2 functions of the spleen in the lymphatic system?

Answer 22

1. Produces lymphocytes (wbc) 2. Stores excess blood/regulates blood pressure by adding or storing blood

Question 23

What is the function of the thymus gland?

Answer 23

contributes to the maturation of some lymphocytes

Question 24

What is the function of the tonsils and appendix?

Answer 24

helps to remove foreign invaders like viruses

Question 25

What is the function of lymphatic tissue?

Answer 25

produce lymphocytes and stores excess blood

Question 26

What is the function of lymph vessels?

Answer 26

Carry lymph in one direction

Question 27

What is the function of lymph capillaries?

Answer 27

Absorb excess fluid from the tissue

Question 28

What are the functions of lymph nodes?

Answer 28

1. filter lymph fluid 2. produce lymphocytes

Question 29

What is the function of lacteals?

Answer 29

absorb the products of fat digestion

Question 30

What are the 2 steps of infection response?

Answer 30

1. Attack foreign body: travel through the lymph system to the site of infection, monocytes and neutrophils engulf the foreign body - agglutination 2. Lymphocytes produce anti-bodies for every encountered type of antigen

Question 31

What are the key features of the arterial end of a capillary?

Answer 31

1. Blood pressure is higher than osmotic pressure 2. liquid part of blood forced out to form tissue fluid

Question 32

What are the key features of the venous end of a capillary?

Answer 32

1. Osmotic pressure is higher than blood pressure 2. Tissue fluid reabsorbed

Question 33

What does the right atria do?

Answer 33

collects spent blood from the vena cava

Question 34

What does the left atria do?

Answer 34

collects oxygenated blood from the pulmonary veins

Question 35

What does the right ventricle do?

Answer 35

sends blood to the lungs via the pulmonary trunk

Question 36

What does the left ventricle do?

Answer 36

sends blood to the body via the aorta