STUDY GUIDE 250 QUESTIONS AND ANSWERS
ALREADY GRADED A
What does hemoglobin A2 consist of?
2 alpha and 2 beta chains
2 alpha and 2 epsilon chains
2 alpha and 2 delta chains
2 alpha and 2 gamma chains CORRECT ANSWER 2 alpha and 2 delta chains
Germinal cells in the lymph nodes contain primarily:
neutrophils macrophages
B cells
T cells CORRECT ANSWER B cells
Which of the following stains is used to ascertain iron content of the bone
marrow?
,Prussian blue
Gram stain
Wright Stain
New methylene blue CORRECT ANSWER prussian blue
What is the lifespan of a normal red blood cell?
120 days
10 hours
60 days
10 days CORRECT ANSWER 120 days
The thymus is responsible for the development of: macrophages
B cells neutrophils
T cells CORRECT ANSWER T cells
Which of the following describes the Bohr effect?
- carbon dioxide is exhaled after passing thru the lungs
- hydrogen ions attach to deoxyhemoglobin triggering release of oxygen to the
tissues
,- carbon dioxide attaches to oxyhemoglobin triggering release of oxygen to the
tissues
- hydrogen ion attaches to oxyhemoglobin triggering release of oxygen to the
tissues CORRECT ANSWER hydrogen ion attaches to oxyhemoglobin
triggering release of oxygen to the tissues
Select the form of hemoglobin that contains iron in the Ferric state, rather than
ferrous state?
eoxyhemoglobin carboxyhemoglobin myoglobin
methemoglobin CORRECT ANSWER methemoglobin
What constitutes the normal RBC membrane?
8% lipids, 40% protein, 52% carbohydrates
40% carbohydrates, 52% lipids, 8% protein
8% carbohydrates, 52% protein, 40% lipids
25% lipids, 50% carbohydrates, 25% protein CORRECT ANSWER 8%
carbohydrates, 52% protein, 40% lipids
, Which of the following is correct regarding color of blood in methemoglobinemia
and sulfhemoglobinemia?
- methemoglobin can give a cherry red color and sulfhemoglobin a pink
color
- methemoglobin can give a brown color to blood, and sulfhemoglobin a
green color
- methemoglobin can give a purple color and sulfhemoglobin a brown color
-methemoglobin can give a green color to blood, and sulfhemoglobin a brown
color CORRECT ANSWER methemoglobin can give a brown color to blood,
and sulfhemoglobin a green color
Which of the following is associated with maturation of the red cell series going
from rubriblast to mature erythrocyte?
nuclear granules increase there is
no change in cell size the cell
diameter decreases in size the cell
diameter increases in size CORRECT
ANSWER the cell diameter
decreases in size