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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). Click here for answers and detailed explanations.
1.
What are the large aggregates of lymphatic tissue in the ileum?
a. Lymph follicles
b. White pulp
c. Peyer's patches
d. Lymph node
e. Diffuse lymphatic tissue
2.
Where is diffuse lymphatic tissue NOT found?
a. Gastrointestinal tract
b. Central nervous system
c. Genito-urinary tract
d. Respiratory tract
e. None of the above-diffuse lymphatic tissue is found in all of these regions
3.
Where are the splenic sinuses?
a. Malpighian corpuscle
b. Trabeculae
c. White pulp
d. Red pulp
e. Cords of Billroth
4.
What does the acronym PALS stand for?
a. Papillary layer sinus
b. Peyer's lymphatic sheath
c. Periarterial lymphatic sheath
d. Peripheral lymphatic sinus
e. Parenchymal lymphatic sheath
5.
Which of the following is an encapsulated lymphatic organ?
a. Lymph follicles
b. White pulp
c. Peyer's patches
d. Lymph node
e. Diffuse lymphatic tissue
Click here for answers and detailed explanations.
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