Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1).
1.
Approximately what percentage of the volume of blood do the formed elements comprise?
a. 5
b. 25
c. 45
d. 75
e. 90
2.
Which of the following is the most abundant in a peripheral smear of blood?
a. Neutrophils
b. Basophils
c. Erythrocytes
d. Leukocytes
e. Platelets
3.
Which leukocyte is the least abundant in a peripheral smear of blood?
a. Lymphocytes
b. Basophils
c. Neutrophil
d. Monocytes
e. Eosinophils
4.
Which of the following is not a granulocyte?
a. PMN
b. Basophils
c. Neutrophil
d. Monocytes
e. Eosinophils
5.
Which of the following is a granulocyte?
a. Thrombocyte
b. Monocyte
c. Lymphocyte
d. Basophil
e. Erythrocyte
6.
Which of the following is described as having a "central pallor"?
a. Leukocytes
b. Monocytes
c. Eosinophils
d. Platelets
e. Erythrocytes
7.
Which is the smallest type of leukocyte?
a. Neutrophil
b. Lymphocytes
c. Monocytes
d. Eosinophil
e. Basophils
8.
Which leukocyte usually has a bi-lobed nucleus?
a. Neutrophil
b. Lymphocytes
c. Monocytes
d. Eosinophil
e. Basophils
9.
What is the buffy coat?
a. Leukocytes
b. Platelets
c. Erythrocytes
d. Plasma
e. Both a and b
10.
What is another term for a platelet?
a. Thrombocyte
b. Monocyte
c. Lymphocyte
d. Basophil
e. Erythrocyte
If you see an error, please contact me, Sarah Bellham, at Sarah-AT-histology-world.com (replace “-AT-” with @) and let me know.
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