HISTOLOGY: TISSUES
1. Which of the following pairs is mismatched?
A) endoderm - bone
B) mesoderm - muscle
C) ectoderm - skin
D) neuroectoderm - nervous system
E) neural crest cells - peripheral nervous system, skin pigment, tissues of the face
Answer: a
2. Epithelial tissue is characterized by
A) tightly packed cells.
B) absence of any basement membrane.
C) extensive extracellular matrix.
D) a rich blood supply.
E) A & D
Answer: a
3. Epithelial tissue is distinguished from connective, muscular, or nervous tissue by its
A) extracellular matrix.
B) contractility.
C) ability to carry action potentials.
D) ability to serve as insulation.
E) basement membrane.
Answer: e
4. The various types of epithelium are classified by
A) the size and shape of cells.
B) the shape of cells and number of cell layers.
C) the number of cell layers and size of the cells.
D) the size and location of cells.
E) function and size of cells.
Answer: b
5. Which of the following categories of epithelium is based on cell shape?
A) columnar
B) keratinized
C) stratified
D) transitional
E) simple
Answer: a
