Anatomy - Circulatory System

Question 1

Which WBCs are granulocytes?

Answer 1

Neutrophils, eosinophils, basophils

Question 2

Hemostasis

Answer 2

The cessation of bleeding

Question 3

Basophils

Answer 3

Immune cells that secrete histamine and heparin

Question 4

B Lymphocytes

Answer 4

Lymphocytes that create antibodies

Question 5

What on the surface of RBCs determines ABO blood types?

Answer 5

Glycolipids

Question 6

Serotonin

Answer 6

A vasoconstrictor released by platelets in response to bleeding

Question 7

Plasmin

Answer 7

A substance that dissolves blood clots once the damage has been repaired

Question 8

Coronary Sulchus

Answer 8

Wall of flesh that separates the chambers of the heart

Question 9

Auracle

Answer 9

Ear-shaped extensions of atria

Question 10

Ligamentum Arteriosum

Answer 10

A ligament that tethers the aorta and pulmonary artery

Remnant of the ductus arteriosus

Question 11

Tendinous Cords

Answer 11

Tendons that prevent the atrioventricular valves from turning inside-out during systole

Question 12

Papillary Muscles

Answer 12

Muscles inside the ventricles that connect to the tendinous cords and therefore the atrioventricular valves

Question 13

Gap Junction

Answer 13

Electrical junction found at the intercalated discs of cardiac muscles

Question 14

Foramen Ovale

Answer 14

A hole connecting the two atria in a developing fetus, allowing blood to bypass the lungs

Question 15

Ductus Arteriosis

Answer 15

A duct that allows blood to travel from the pulmonary artery to the aorta in developing fetuses

After birth, turns into the ligamentum arteriosum

Question 16

Base of the heart

Answer 16

Superior portion of the heart

Question 17

Apex of heart

Answer 17

Inferior portion of heart

Question 18

Desmosomes

Answer 18

Structures in cardiac muscle cells that prevent them from separating during muscle contraction

Question 19

Fossa Ovalis

Answer 19

The remnants of the foramen ovale once it closes shortly after birth

Question 20

How many arteries and veins does the umbilical cord have?

Answer 20

2 arteries

1 vein

Question 21

Trabeculae Carneae

Answer 21

Internal walls separating the ventricles

Question 22

Portal System

Answer 22

A circulatory system in which the blood flows through two capillary beds before returning to the heart