Exam 2 Study Guide Flashcards

1
Q

Atrioventricular (AV) valves

A

Prevent backflow between atria and ventricles (tricuspid/bicuspid valve)

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2
Q

Semilunar valves

A

Control blood flow between ventricles and major arteries (pulmonary and aortic valves).

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3
Q

P Wave

A

Atrial Depolartization

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4
Q

QRS complex

A

Ventricular depolarization and atrial repolarization

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5
Q

T wave

A

Ventricular repolarization

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6
Q

Hemoglobin function

A
  • Hemoglobin binds oxygen in the lungs and releases it in tissues.
  • It can also bind carbon dioxide to form carbaminohemoglobin.
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7
Q

Erythropoiesis

A

Stimulated by low oxygen levels or increase erythropoietin levels; Red blood cells (RBC’s) are produced in the bone marrow.

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8
Q

Neutrophils

A

Most abundant leukocytes, act as first responders to infections

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9
Q

Eosinophils

A

Increase in response to parasitic infections and allergies.

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10
Q

Ventricular systole

A

Contraction of the ventricles pumps blood into arteries

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11
Q

Ventricular diastole

A

Ventricles relax and fill with blood from the atria

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12
Q

Systematic circulation

A

Supplies oxygen-rich blood to the body and returns
oxygen-poor blood to the heart.

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13
Q
A
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