Red Blood Cells (RBCs)

Question 1

Another name for RBC?

Answer 1

erythrocyte

Question 2

What is the main function of RBC?

Answer 2

carry oxygen to tissues

Question 3

RBC is made of a protein called?

Answer 3

hemoglobin

Question 4

RBC life span?

Answer 4

120 days

Question 5

Blood is made of?

Answer 5

RBCs, WBCs, platelets. Suspended in plasma

Question 6

Normal RBC count for women?

Answer 6

4.2 - 5.4 /ul

Question 7

Normal RBC count for men

Answer 7

4.7 - 6.1 /ul

Question 8

Hemoglobin can carry ______ molecules of oxygen.

Answer 8

4

Question 9

RBC production begins in the _________.

Answer 9

bone marrow

Question 10

Peritubular cells in the kidney sense decreased oxygen (hypoxia), then produce a hormone called ______.

Answer 10

erythropoietin

Question 11

The release of erythropoietin by the kidneys stimulates the bone marrow to _____.

Answer 11

produce more RBCs

Question 12

The destruction of RBCs is facilitated by phagocytic cells found in the _______.

Answer 12

liver, spleen, bone marrow, and lymph nodes

Question 13

Heme from destroyed RBC is converted into ____?

Answer 13

bilirubin

Question 14

Bilirubin is removed from the blood by the _____ and conjugated to make it water soluble.

Answer 14

liver

Question 15

The plasma-insoluble form of bilirubin is referred to as ________ bilirubin.

Answer 15

unconjugated

Question 16

The water-soluble form of bilirubin is referred to as ________ bilirubin.

Answer 16

conjugated

Question 17

What condition happens when RBC destruction takes place in the blood, causing excessive build up of bilirubin, and yellowing of the skin?

Answer 17

jaundice

Question 18

How tightly hemoglobin is bound to oxygen is referred to as _____?

Answer 18

affinity

Question 19

Oxygen binds with hemoglobin to form?

Answer 19

oxyhemoglobin

Question 20

Increased affinity =

Answer 20

↑pH, ↓CO2, ↓temp

Question 21

Decreased affinity =

Answer 21

↓pH, ↑CO2, ↑temp

Question 22

A condition where there are abnormally high (too many) RBCs with increased Hgb & Hct is called _______

Answer 22

polycythemia

Question 23

A rare neurologic syndrome caused by excessive unconjugated bilirubin in infants.

Answer 23

Kernicterus

Question 24

Increased bilirubin is treated with ______.

Answer 24

phototherapy

skin needs to absorb light to convert bilirubin making it soluble