CH16 Pt2

Question 1

What is the normal blood volume in vessels

Answer 1

5L
-if fully dialated, could hold 20L

Question 2

At rest, blood goes metabolically to active tissue such as…

Answer 2

Brain, Kidney, Heart, Liver

Question 3

Why may you not want to have a large meal prior to intense exercise?

Answer 3

In exercise, more blood goes to skeletal muscle instead of stomach, so stomach doesn’t have uhave time or blood to rest and digest, causing food to go up or down

Question 4

Blood pH levels:

Answer 4

6.0-7.5
If pH up, acid is down, vice versa

Question 5

How much of blood is water?

Answer 5

50%

Question 6

Vitamin essential for blood clotting:

Answer 6

Vitamin K

Question 7

Alcohol has a negative effects on what vitamins function?

Answer 7

Vitamin B -less RBCs

Question 8

Special combat unit cells

Answer 8

WBCs (leukocytes)

Question 9

What is Blood Made of?

Answer 9

1. Formed Elements (blood cells, around 45% of volume) =hematocrit
   -erythrocytes (RBCS)
   -leukocytes (WBCS)
   Thrombocytes (platelets)
2. Plasma (about 55%)

Question 10

The 55% of plasma in the blood is: (3)

Answer 10

90% H2O
7% plasma proteins
3% other

Question 11

What is in the 45% of Formed Elements

Answer 11

> 99% RBCs
<1% WBC and platelets

Question 12

What’s in the 7% movies

Answer 12

Albumins 55% -transport fatty acids, hormones
-smallest protein
Globulins 38% -immunoglobulins (antibodies)
-transport ptotein, bind with ions, hormones and other compounds
Fibrinogen 7% -participates in clotting, forms fibrin, largest protein Globulins

Question 13

Facts about erythrocytes

Answer 13

-produced in bone marrow
-boron cave disc -no nucleus or mitochondria
-red colour due to hemoglobin
120 day lifespan

Question 14

RBC transports…

Answer 14

Oxygen bound to hemoglobin -contains iron which binds
20ml O2 can be bound in 100ml of blood

Question 15

Hemoglobin

Answer 15

Protein portion of RBC that binds oxygen, consists of 4 iron containing pigments and a globin protein

Question 16

Sex differences in Hemoblobin

Answer 16

Avg male carries 10-15% more Hb then avg female (^% more than female)
-due to more testosterone in males which stimulate RBCs and cause more to form

Question 17

Anemia

Answer 17

Low Red Blood Cell count, low Hb (low iron)
-reduced carrying capacity of O2= fatigue