Chapter 18

Question 1

RBCs have __ nucleus.

Answer 1

No (anucleate)

Question 2

Erythrocytes contain which 2 proteins?

Answer 2

hemoglobin (Hb) and spectrin (flexibility)

Question 3

In erythrocytes, Protein globin contain how many chains?

Answer 3

two alpha and two beta chains

Question 4

_____ pigment bonded to each globin chain.

Answer 4

Heme

Question 5

Iron atom in each heme can bind to one ___

Answer 5

O 2 molecule

Question 6

Each Hb molecule can transport ______.

Answer 6

four O 2 molecule

Question 7

O2 loading in lungs produces?

Answer 7

oxyhemoglobin (ruby red)

Question 8

O2 unloading in tissues produces?

Answer 8

deoxyhemoglobin or reduced hemoglobin
(dark red)

Question 9

CO2 loading in tissues produce what?

Answer 9

20% of CO2 in blood binds to Hb à
carbaminohemoglobin

Question 10

Hormone Erythropoietin (EPO)

Answer 10

form of doping, released by kidneys (from liver) in response to hypoxia

Question 11

WBC Neutrophils (Granulocyte) function

Answer 11

Attack bacteria by eating and digesting them with enzymes

Question 12

% of neutrophils in WBC

Answer 12

Most abundant WBC (50-70%)

Question 13

What do neutrophils contain?

Answer 13

peroxidases, hydrolytic enzymes, and defensins (antibiotic proteins)

Question 14

WBC Eosinophils (Granulocyte) functions?

Answer 14

Lead the body’s counterattack
against parasitic worms, and Lessen the severity of allergies
by phagocytizing immune
complexes

Question 15

% of eosinophils in WBC

Answer 15

1-4% of WBC

Question 16

WBC Basophils (Granulocyte)

Answer 16

Have large, purplish-black
(basophilic) granules that
contain histamine

Question 17

Histamine

Answer 17

inflammatory chemical that acts as
a vasodilator and attracts other
WBCs to inflamed sites
vasodilation 17

Question 18

% of basophils in WBC

Answer 18

Rarest WBC (0.5% of total)

Question 19

WBC Monocyte (arganulocyte)

Answer 19

largest WBC with large kidney
or Pac Man nuclei

Question 20

% of monocytes in WBC

Answer 20

3-8% of WBC