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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.
Which of the following is NOT a membranous organelle?
a. Lysosomes
b. Peroxisomes
c. Mitochondria
d. Ribosomes
e. Endoplasmic reticulum
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2.
Which organelle contains digestive enzymes?
a. Rough endoplasmic reticulum
b. Smooth endoplasmic reticulum
c. Lysosome
d. Golgi apparatus
e. Mitochondria |
3.
Which organelle is considered the powerhouse of the cell?
a. Rough endoplasmic reticulum
b. Smooth endoplasmic reticulum
c. Lysosome
d. Golgi apparatus
e. Mitochondria
4.
What structure is at the base of cilia?
a. Ribosomes
b. Peroxisome
c. Microfilaments
d. Centrioles
e. Nucleoli
5.
Which of the following is NOT considered an inclusion?
a. Pigment
b. Glycogen
c. Lipid
d. Secretory granules
e. Mitochondria
6.
Collectively, what is the cytoplasm and nucleus called?
a. Plasmalemma
b. Glycocalyx
c. Protoplasm
d. Cristae
e. Ground substance
7.
How thick is the plasma membrane?
a. 8-10 angstroms
b. 8-10 nanometers
c. 8-10 micrometers
d. 8-10 millimeters
e. None of the above |
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8.
What is the term for the general process that cells us to expunge material from the cell?
a. Endocytosis
b. Exocytosis
c. Pinocytosis
d. Phagocytosis
e. Active transport
9.
Which organelle sorts and packages proteins within a cell?
a. Rough endoplasmic reticulum
b. Smooth endoplasmic reticulum
c. Lysosome
d. Golgi apparatus
e. Mitochondria
10.
Which of the following is NOT a membranous organelle?
a. Lysosomes
b. Filaments
c. Peroxisomes
d. Mitochondria
e. Endoplasmic reticulum
Click here for answers and detailed explanations.
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