Blood Physiology questions with verified
answers
Major Components of Blood - ....🔰VERIFIED ANSWERS.... ✔✔formed
elements
erythrocytes
leukocytes
platelets
plasma
formed elements - ....🔰VERIFIED ANSWERS.... ✔✔the actual cellular
components of blood (special connective tissue)
erythrocytes - ....🔰VERIFIED ANSWERS.... ✔✔red blood cells
leukocytes - ....🔰VERIFIED ANSWERS.... ✔✔white blood cells
platelets - ....🔰VERIFIED ANSWERS.... ✔✔cell fragments for clotting
blood plasma - ....🔰VERIFIED ANSWERS.... ✔✔complex non-cellular fluid
surrounding formed elements; protein & electrolytes
Separation of Components in a Centrifuge - ....🔰VERIFIED ANSWERS....
✔✔VOLUME Layer
,1. clear/yellowish PLASMA 55% top
2. thin/whitish buffy coat <1% middle
with LEUKOCYTES & PLATELETS
3. reddish mass - ERYTHROCYTES 45% bottom
hematocrit - ....🔰VERIFIED ANSWERS.... ✔✔percentage by VOLUME of
erythrocytes when blood is centrifuged
(normal = 45%)
Characteristics of Blood - ....🔰VERIFIED ANSWERS.... ✔✔1. bright red
(oxygenated)
2. dark red/purplish (unoxygenated)
3. much more dense than pure water
4. pH range from 7.35 to 7.45 (slightly alkaline)
5. slightly warmer than body temperature 100.4 F
6. typical volume in adult male 5-6 liters
7. typical volume in adult female 4-5 liters
8. typically 8% of body weight
(Major Functions of Blood)
1.Distribution & Transport - ....🔰VERIFIED ANSWERS.... ✔✔a. oxygen from
lungs to body cells
, b. carbon dioxide from body cells to lungs
c. nutrients from GI tract to body cells
d. nitrogenous wastes from body cells to kidneys
e. hormones from glands to body cells
(Major functions of blood)
2. Regulation (maintenance of homeostasis) - ....🔰VERIFIED ANSWERS....
✔✔a. maintenance of normal body pH
i. blood proteins (albumin) & bicarbonate
b. maintenance of circulatory/interstitial fluid
i. electrolytes and blood proteins (albumin)
c. maintenance of temperature (blushed skin)
(Major functions of blood)
3. Protection - ....🔰VERIFIED ANSWERS.... ✔✔a. platelets and proteins "seal"
vessel damage
b. protection from foreign material & infections
i. leukocytes, antibodies, complement pro
Erythrocytes (red blood cells; RBCs)
STRUCTURE - ....🔰VERIFIED ANSWERS.... ✔✔1. 7.5 micron diameter; 2.0
micron thick
2. biconcave disk shape; ideal for gas exchange
i. spectrin - elastic protein; allows shape change
3. mature cells are anucleate (no nucleus)
answers
Major Components of Blood - ....🔰VERIFIED ANSWERS.... ✔✔formed
elements
erythrocytes
leukocytes
platelets
plasma
formed elements - ....🔰VERIFIED ANSWERS.... ✔✔the actual cellular
components of blood (special connective tissue)
erythrocytes - ....🔰VERIFIED ANSWERS.... ✔✔red blood cells
leukocytes - ....🔰VERIFIED ANSWERS.... ✔✔white blood cells
platelets - ....🔰VERIFIED ANSWERS.... ✔✔cell fragments for clotting
blood plasma - ....🔰VERIFIED ANSWERS.... ✔✔complex non-cellular fluid
surrounding formed elements; protein & electrolytes
Separation of Components in a Centrifuge - ....🔰VERIFIED ANSWERS....
✔✔VOLUME Layer
,1. clear/yellowish PLASMA 55% top
2. thin/whitish buffy coat <1% middle
with LEUKOCYTES & PLATELETS
3. reddish mass - ERYTHROCYTES 45% bottom
hematocrit - ....🔰VERIFIED ANSWERS.... ✔✔percentage by VOLUME of
erythrocytes when blood is centrifuged
(normal = 45%)
Characteristics of Blood - ....🔰VERIFIED ANSWERS.... ✔✔1. bright red
(oxygenated)
2. dark red/purplish (unoxygenated)
3. much more dense than pure water
4. pH range from 7.35 to 7.45 (slightly alkaline)
5. slightly warmer than body temperature 100.4 F
6. typical volume in adult male 5-6 liters
7. typical volume in adult female 4-5 liters
8. typically 8% of body weight
(Major Functions of Blood)
1.Distribution & Transport - ....🔰VERIFIED ANSWERS.... ✔✔a. oxygen from
lungs to body cells
, b. carbon dioxide from body cells to lungs
c. nutrients from GI tract to body cells
d. nitrogenous wastes from body cells to kidneys
e. hormones from glands to body cells
(Major functions of blood)
2. Regulation (maintenance of homeostasis) - ....🔰VERIFIED ANSWERS....
✔✔a. maintenance of normal body pH
i. blood proteins (albumin) & bicarbonate
b. maintenance of circulatory/interstitial fluid
i. electrolytes and blood proteins (albumin)
c. maintenance of temperature (blushed skin)
(Major functions of blood)
3. Protection - ....🔰VERIFIED ANSWERS.... ✔✔a. platelets and proteins "seal"
vessel damage
b. protection from foreign material & infections
i. leukocytes, antibodies, complement pro
Erythrocytes (red blood cells; RBCs)
STRUCTURE - ....🔰VERIFIED ANSWERS.... ✔✔1. 7.5 micron diameter; 2.0
micron thick
2. biconcave disk shape; ideal for gas exchange
i. spectrin - elastic protein; allows shape change
3. mature cells are anucleate (no nucleus)
