Exam 1- A&P 2 Flashcards

1
Q

Double-walled sac covering heart

A

Pericardium

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2
Q

Pressure wave caused by expansion and recoil of arteries

A

Pulse

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3
Q

Heart chamber that receives unoxygenated blood from body

A

Right Atrium

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4
Q

Site of cardiac pacemaker cells

A

Sinoatrial Node (SA)

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5
Q

Erythrocytes, leukocytes, and platelets

A

Formed Elements

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6
Q

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

A

Baroreceptor

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7
Q

Force exerted by blood against a blood vessel wall

A

Blood Pressure

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8
Q

Amount of blood pumped out of ventricle in one minute

A

Cardiac Output

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9
Q

RBC antigens

A

Agglutinogens

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10
Q

Largest systemic artery

A

Aorta

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11
Q

Oxygen binding site of hemoglobin

A

Iron

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12
Q

Blood’s oxygen-carrying capacity too low

A

Anemia

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13
Q

Smallest of the arteries

A

Arterioles

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14
Q

Circuit that carries blood to and from the lungs

A

Pulmonary circuit

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15
Q

Constriction of blood vessel following an injury

A

vascular spasm

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16
Q

One complete heart beat

A

Cardiac cycle

17
Q

Relaxation of a blood vessel wall

A

vasodilation

18
Q

Sustained elevated arterial pressure

A

hypertension

19
Q

Site of exchange between blood and tissue cells

A

capillaries

20
Q

Tunic comprised of smooth muscle cells

A

Tunic Media

21
Q

Middle layer of the heart

A

myocardium

22
Q

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

A

Transfusion reaction

23
Q

Device to detect electrical currents through the heart

A

ECG (electrocardiograph)

24
Q

Septum that separates the ventricles

A

intreventricular septum

25
Q

highly modified, leaky capillaries

A

sinusoid

26
Q

circuit that carries blood to and from all body tissues

A

systemic circuit

27
Q

sound created upon AV valve closure

A

Lub

28
Q

Group of cancerous conditions of white blood cells

A

Luekemia

29
Q

ventricle filling and relaxation

A

diastole

30
Q

hormone that stimulates RBC formation

A

EPO (erythorpoietin)

31
Q

Cytoplasmic fragments of megakaryocytes

A

platelets

32
Q

Prevents backflow into left atrium when ventricle contracts

A

mitral valve

33
Q

circulation that provides blood supply to the heart

A

coronary circulation

34
Q

the bodies bacterial slayers and the most abundant WBC

A

neutrophils

35
Q

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

A

Hydrostatic Pressure