1.The roles of the endoplasmic reticulum include:
a)digestive
b)delivery
c)cell division
d)energy production
e)reproduction

2.Nucleus constituents include:
a)vacuoles
b)mucin
c)yolk
d)chromatin meshwork
e)karyosome

3.The fourth stage of mitosis is:
a)meiosis
b)metaphase
c)anaphase
d)prophase
e)telophase

4.Simple columnar epithelium cells are found in:
a)keratin
b)small bronchi
c)anus
d)ovary
e)gall bladder

5.The following cells are found in the small intestine:
a)kupffer cells
b)medulla
c)cortex
d)crypt of lieberkin cells
e)paneth cells

6.Why is osmic acid not routinely used?
a)it is poisonous
b)it causes eye conjuctivitis
c)it is stored under water
d)it is explosive
e)it is a differentiator

7.All the following are examples of micro anatomical fixatives except:
a)hellys
b)zenker
c)bouins
d)carnoy
e)clarkes

8.The purpose of secondary fixation is:
a)to improve preservation
b)improve staining of specific tissue constituents
c)to demonstrate mitochondria
d)to precipitate protein
e)to unmask protein

9.All the following types of tissues require de-calcification except:
a)bones
b)teeth
c)muscles
d)elastic tissue
e)calcified scars

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