Exam 1- A&P 2

Question 1

Double-walled sac covering heart

Answer 1

Pericardium

Question 2

Pressure wave caused by expansion and recoil of arteries

Answer 2

Pulse

Question 3

Heart chamber that receives unoxygenated blood from body

Answer 3

Right Atrium

Question 4

Site of cardiac pacemaker cells

Answer 4

Sinoatrial Node (SA)

Question 5

Erythrocytes, leukocytes, and platelets

Answer 5

Formed Elements

Question 6

Sensory nerve ending found in the wall of the aorta sensitive to vessel stretch

Answer 6

Baroreceptor

Question 7

Force exerted by blood against a blood vessel wall

Answer 7

Blood Pressure

Question 8

Amount of blood pumped out of ventricle in one minute

Answer 8

Cardiac Output

Question 9

RBC antigens

Answer 9

Agglutinogens

Question 10

Largest systemic artery

Answer 10

Aorta

Question 11

Oxygen binding site of hemoglobin

Answer 11

Iron

Question 12

Blood’s oxygen-carrying capacity too low

Answer 12

Anemia

Question 13

Smallest of the arteries

Answer 13

Arterioles

Question 14

Circuit that carries blood to and from the lungs

Answer 14

Pulmonary circuit

Question 15

Constriction of blood vessel following an injury

Answer 15

vascular spasm

Question 16

One complete heart beat

Answer 16

Cardiac cycle

Question 17

Relaxation of a blood vessel wall

Answer 17

vasodilation

Question 18

Sustained elevated arterial pressure

Answer 18

hypertension

Question 19

Site of exchange between blood and tissue cells

Answer 19

capillaries

Question 20

Tunic comprised of smooth muscle cells

Answer 20

Tunic Media

Question 21

Middle layer of the heart

Answer 21

myocardium

Question 22

Reaction that results in agglutination and destruction of RBC due to incompatible blood

Answer 22

Transfusion reaction

Question 23

Device to detect electrical currents through the heart

Answer 23

ECG (electrocardiograph)

Question 24

Septum that separates the ventricles

Answer 24

intreventricular septum

Question 25

highly modified, leaky capillaries

Answer 25

sinusoid

Question 26

circuit that carries blood to and from all body tissues

Answer 26

systemic circuit

Question 27

sound created upon AV valve closure

Answer 27

Lub

Question 28

Group of cancerous conditions of white blood cells

Answer 28

Luekemia

Question 29

ventricle filling and relaxation

Answer 29

diastole

Question 30

hormone that stimulates RBC formation

Answer 30

EPO (erythorpoietin)

Question 31

Cytoplasmic fragments of megakaryocytes

Answer 31

platelets

Question 32

Prevents backflow into left atrium when ventricle contracts

Answer 32

mitral valve

Question 33

circulation that provides blood supply to the heart

Answer 33

coronary circulation

Question 34

the bodies bacterial slayers and the most abundant WBC

Answer 34

neutrophils

Question 35

Pressure created by force exerted by a fluid pressing against a wall

Answer 35

Hydrostatic Pressure