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Hematology and Cardiovascular Physiology
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Hematology and Cardiovascular Physiology
Quiz 4 flash cards
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1
Question
What is hemopoiesis?
Page 1
Answer
The process by which all formed elements of blood are produced, primarily occurring in the red bone marrow.
2
Question
Where does hemopoiesis primarily occur?
Page 1
Answer
In the red bone marrow.
3
Question
What hormone stimulates red blood cell production?
Page 1
Answer
Erythropoietin (EPO) produced by the kidneys.
4
Question
What is the function of thrombopoietin?
Page 1
Answer
Stimulates the production of platelets from megakaryocytes.
5
Question
Which white blood cells have characteristics and functions that must be known?
Page 1
Answer
Neutrophils, lymphocytes, monocytes, eosinophils, and basophils.
6
Question
What cells primarily produce immunoglobulins?
Page 1
Answer
Plasma cells derived from B-lymphocytes.
7
Question
What defines anemia?
Page 1
Answer
A deficiency in red blood cells or hemoglobin.
8
Question
What effect does iron deficiency have on hemoglobin?
Page 1
Answer
Causes decreased hemoglobin production.
9
Question
What does B12 deficiency cause?
Page 1
Answer
Pernicious anemia due to failure of red blood cell maturation.
10
Question
What is thrombocytopenia?
Page 1
Answer
A low platelet count leading to issues with blood clotting.
11
Question
What characterizes leukemia?
Page 1
Answer
Cancer involving an overproduction of abnormal white blood cells.
12
Question
What is the pericardium?
Page 1
Answer
The double-walled sac enclosing the heart.
13
Question
What are the layers of the heart wall?
Page 1
Answer
Epicardium (outer), myocardium (middle muscular layer), endocardium (inner lining).
14
Question
What is the function of the interventricular septum?
Page 1
Answer
Separates the left and right ventricles.
15
Question
What prevents heart valves from prolapsing during contraction?
Page 2
Answer
Papillary muscles and chordae tendineae working together.
16
Question
Where does oxygen-poor blood return in the heart?
Page 2
Answer
To the right side of the heart.
17
Question
From where does oxygen-rich blood leave the heart?
Page 2
Answer
The left side of the heart.
18
Question
What valve follows the right atrium in the path of blood flow?
Page 2
Answer
Tricuspid valve.
19
Question
What structure follows the right ventricle in blood flow?
Page 2
Answer
Pulmonary valve then pulmonary trunk/arteries.
20
Question
What brings blood from lungs to left atrium?
Page 2
Answer
Pulmonary veins.
21
Question
What valve lies between left atrium and left ventricle?
Page 2
Answer
Mitral valve.
22
Question
What valve precedes the aorta in blood flow?
Page 2
Answer
Aortic valve.
23
Question
Which vessels are considered great vessels of the heart?
Page 2
Answer
Aorta, vena cavae (superior and inferior), and pulmonary trunk.
24
Question
What do coronary arteries supply?
Page 2
Answer
Oxygenated blood directly to the heart muscle itself.
25
Question
What is the primary function of arteries?
Page 2
Answer
Carry blood away from the heart.
26
Question
What is the function of capillaries?
Page 2
Answer
The site of gas and nutrient exchange.
27
Question
Name the three types of capillaries.
Page 2
Answer
Continuous, fenestrated, and sinusoid.
28
Question
What is vasodilation?
Page 2
Answer
The widening of blood vessels to increase blood flow.
29
Question
What vein is commonly used for blood extraction?
Page 2
Answer
Median cubital vein.
30
Question
What is the Circle of Willis?
Page 2
Answer
A circulatory anastomosis that supplies blood to the brain.