Podcast
Questions and Answers
What is the primary phagocytosis function of neutrophils in tissues?
What is the primary phagocytosis function of neutrophils in tissues?
- Defend against viral infection
- Produce antibodies
- Defend against bacterial infection (correct)
- Produce histamine
Why can neutrophils not return to the blood once they leave to enter tissues?
Why can neutrophils not return to the blood once they leave to enter tissues?
- They get destroyed in tissues
- They lose their ability to circulate
- They are too large to re-enter blood vessels
- They undergo irreversible changes upon tissue entry (correct)
What percentage of the vascular pool do the marginating pool of neutrophils represent?
What percentage of the vascular pool do the marginating pool of neutrophils represent?
- ~50-55% (correct)
- ~90%
- ~25%
- ~75%
What distinguishes leukocytes from RBCs?
What distinguishes leukocytes from RBCs?
What is the main reason for the increase in circulating neutrophils in response to acute stress?
What is the main reason for the increase in circulating neutrophils in response to acute stress?
Which type of leukocytes are segmented cells with granules?
Which type of leukocytes are segmented cells with granules?
Why are the neutrophil granules referred to as neutrophilic?
Why are the neutrophil granules referred to as neutrophilic?
What is the significance of the presence of drumstick (Barr body) in some females' neutrophils?
What is the significance of the presence of drumstick (Barr body) in some females' neutrophils?
What distinguishes band neutrophils from segmented neutrophils?
What distinguishes band neutrophils from segmented neutrophils?
What is the typical percentage range of segmented neutrophils in total WBC count?
What is the typical percentage range of segmented neutrophils in total WBC count?
Where do leukocytes mainly function?
Where do leukocytes mainly function?
Which type of leukocyte represents an earlier stage of segmented neutrophils?
Which type of leukocyte represents an earlier stage of segmented neutrophils?
What is the approximate percentage of the liquid part in the blood volume?
What is the approximate percentage of the liquid part in the blood volume?
Why is clotting prevented when blood is mixed with anticoagulant?
Why is clotting prevented when blood is mixed with anticoagulant?
What is the liquid remaining after blood clots called?
What is the liquid remaining after blood clots called?
Which anticoagulant is preferred for blood samples?
Which anticoagulant is preferred for blood samples?
What are the three populations into which blood cells can be divided?
What are the three populations into which blood cells can be divided?
What percentage of plasma is water?
What percentage of plasma is water?
What is the primary function of erythrocytes (red blood cells)?
What is the primary function of erythrocytes (red blood cells)?
What is the approximate normal red blood cell (RBC) count in a healthy individual?
What is the approximate normal red blood cell (RBC) count in a healthy individual?
How are microcytic red blood cells characterized?
How are microcytic red blood cells characterized?
What is the best estimate of red blood cell (RBC) production?
What is the best estimate of red blood cell (RBC) production?
What gives red blood cells their flexibility to squeeze through capillaries?
What gives red blood cells their flexibility to squeeze through capillaries?
What can be observed in young red blood cells that helps in identifying them?
What can be observed in young red blood cells that helps in identifying them?
What is the normal range of eosinophils in total white blood cell count?
What is the normal range of eosinophils in total white blood cell count?
Which of the following is NOT a function of eosinophils?
Which of the following is NOT a function of eosinophils?
Which protein represents approximately 50% of the content in eosinophil granules and has a toxic effect causing cell membrane permeabilization?
Which protein represents approximately 50% of the content in eosinophil granules and has a toxic effect causing cell membrane permeabilization?
Where is Charcot-Leyden protein mostly detected in patients with hypereosinophilia?
Where is Charcot-Leyden protein mostly detected in patients with hypereosinophilia?
What is the average survival time of eosinophils in circulation before they enter tissues?
What is the average survival time of eosinophils in circulation before they enter tissues?
Which type of infections can lead to an increase in the number of eosinophils in the body?
Which type of infections can lead to an increase in the number of eosinophils in the body?
