introduction

Question 1

What is the color of oxyhemoglobin?
a) Green
b) Bright red
c) Chocolate brown
d) Dark red

Answer 1

b) Bright red

Question 2

Where is oxyhemoglobin primarily found?
a) Venous circulation
b) Arterial circulation
c) Both arterial and venous circulation
d) In the lungs only

Answer 2

b) Arterial circulation

Question 3

What color is deoxyhemoglobin?
a) Bright red
b) Cherry red
c) Dark red
d) Green

Answer 3

c) Dark red

Question 4

Sulhemoglobin is characterized by which of the following colors?
a) Chocolate brown
b) Green
c) Scarlet red
d) Bright red

Answer 4

b) Green

Question 5

Carboxyhemoglobin is associated with what condition?
a) Oxygen toxicity
b) CO poisoning
c) Sulfur exposure
d) Hemolysis

Answer 5

b) CO poisoning

Question 6

What is the color of carboxyhemoglobin?
a) Bright red
b) Dark red
c) Green
d) Cherry red

Answer 6

d) Cherry red

Question 7

Which hemoglobin derivative has a chocolate brown color?
a) Methemoglobin
b) Oxyhemoglobin
c) Carboxyhemoglobin
d) Sulhemoglobin

Answer 7

a) Methemoglobin

Question 8

Methemoglobin is formed by the reversible oxidation of heme iron to which state?
a) Fe2+
b) Fe3+
c) Fe4+
d) Fe1+

Answer 8

b) Fe3+

Question 9

Which of the following best describes the condition “leukocytopenia”?
a) Increase in red blood cells
b) Decrease in white blood cells
c) Destruction of red blood cells
d) Inflammation of white blood cells

Answer 9

b) Decrease in white blood cells

Question 10

the term “poikilocytosis” means
a) Increased variation in the shape of cells
b) Decrease in red blood cells
c) Production of new white blood cells
d) Inflammation of the bone marrow

Answer 10

a) Increased variation in the shape of cells

Question 11

Normal pH of BLOOD

Answer 11

7.35 - 7.45 pH

Question 12

what is the protein that give color to the blood?

Answer 12

Hemoglobin

Question 13

Natural anticoagulant which maintains the blood in liquid state

Answer 13

Heparin

Question 14

a small refractive colorless
particles in the blood that are probably granules from
blood cells or minute fat globules and it has no clinical
significance.

Answer 14

HEMOCONIA (BLOOD DUST)

Question 15

Which of the following is the liquid portion of unclotted blood?
a) Serum
b) Plasma
c) Red blood cells
d) Platelets

Answer 15

b) Plasma

Question 16

What does serum contain less of compared to plasma?
a) Platelet derivatives
b) Growth factors
c) Fibrinogen factors
d) Hemoglobin

Answer 16

a) Platelet derivatives

Question 17

Which of the following does plasma contain that serum does not?
a) Hemoglobin
b) Platelet derivatives
c) Fibrinogen
d) Water

Answer 17

c) Fibrinogen

Question 18

Why does plasma appear slightly turbid or hazy compared to serum?
a) Due to added fibrinogen
b) Due to chemical anticoagulants
c) Because it is clotted
d) It contains more cells

Answer 18

b) Due to chemical anticoagulants

Question 19

Which appears clearer and darker in color, plasma or serum?
a) Plasma
b) Serum
c) Neither
d) Both appear the same

Answer 19

b) Serum

Question 20

Serum is derived from which type of blood sample?
a) Unclotted blood
b) Clotted blood
c) Hemolyzed blood
d) Heparinized blood

Answer 20

b) Clotted blood

Question 21

Which growth factor remains intact in plasma?
a) Fibrinogen
b) Fibroblast Growth Factor (FGF)
c) Platelet-derived growth factor (PDGF)
d) Coagulation factor

Answer 21

b) Fibroblast Growth Factor (FGF)