Cardiology Flashcards
1
Q
Circulatory system
A
Blood, heart, vascular system
2
Q
Blood
A
Plasma + Formed Elements
3
Q
Blood
A
8% of TBW
4
Q
Plasma
A
Yellowish (55% of TBVolume)
5
Q
Plasma
A
91% H2O, 2% Substances, 7% proteins
6
Q
Formed elements
A
RBCs, WBCs, Platelets
7
Q
Hematopoiesis
A
formation of blood
8
Q
Blood Function
A
Transport (respiratory gases, Nutrients and Waste products, processed molucules and hormones and enymes)
9
Q
Blood Function
A
- Regulate pH and osmosis
- Maintain body temperature
- Defense
- clotting
10
Q
Erythrocytes
A
Hb (gas transport)
11
Q
Erythrocytes
A
Flat, biconcave, anucleated, 120d lifespan, 45% blood volume (Hct)
12
Q
Leukocytes
A
Protect against invading microbes
13
Q
Platelets
A
smallest of the formed elements (Sticky - function in clotting)
14
Q
Platelets
A
Release serotonin - vasoconstriction
250,000-500,000/cc in blood
