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04-A:Histology Question Paper

04-A:Histology

Course:

Institution: Kenya Medical Training College question papers

Exam Year:2007

KENYA MEDICAL TRAINING COLLEGE KITUI

DEPARTMENT OF MEDICAL LABORATORY SCIENCES

P.O BOX 711

KITUI

SEPTEMBER 2007 CLASS

HISTOLOGY PAPER

INSTRUCTIONS TO THE CANDIDATE
1.Write your college number on all sheets of paper used.
2.Do not write your name on the sheets of paper used.
3.Attempt all questions in section I and II.
4.Cycle the correct response(s) in section I.
5.For any wrong response you will be deducted half a mark.

SECTION I (M.C.Q 40 MARKS)

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

10.Gooding and stewart fluid contains the following solutions:
a)formic acid
b)nitric acid
c)hydrochloric acid
d)ethanol
e)distilled water

11.Factors involved in tissue impregnation include:
a)ph
b)agitation
c)volume of reagent
d)temperature
e)dehydration

12.Dehydration agents include:
a)benzene
b)xylene
c)toluene
d)butanol
e)ethanol

13.Advantages of automatic tissue processing technique include:
a)time to process the tissue is considerably reduced
b)can be used to process thin tissues only
c)it can be used to process the tissue even if it is not working hours
d)no dehydration is required
e)no clearing is required

14.Scopes of paraffin wax embedding medium includes:
a)tissue should not be fixed prior to processing
b)there is no formation of serial section
c)reasonable speed of processing
d)freezing temperatures are easily regulated
e)durable blocks are formed

15.Ben-Heiffor type of knife is commonly associated with:
a)rotary microtome
b)cryostat microtome
c)freezing microtome
d)rocking microtome
e)ultra microtome

16.The finest hone is/are:
a)arkansas
b)belgium yellow
c)belgium black
d)carborundum
e)lubricant

17.All the following are ingredients of starch paste adhesive except:
a)acetone
b)cold tap water
c)Hcl
d)paste
e)glycerine

18.The following are natural mounting media except:
a)DPX
b)Xylene balsam
c)Colophonium
d)Xam
e)Euparol

19.Supra Vital stains include:
a)trypan blue
b)indian ink
c)congo red
d)new red
e)janus green B

20.The cells that cannot reduce ammoniacal silver with addition of extraneous reducer are known as:
a)mordant
b)tryosine
c)melanin
d)kultschizky
e)argyophil

21.Melanin pigments are best demonstrated using:
a)Von Kossa
b)H&E
c)Manson Fontana
d)P.P.B
e)Manson Trichrome

22.The following are ingredients of papanicolou staining except:
a)E.A 36
b)Harris haematoxylin
c)Weighhert haematoxylin
d)Orange G 6
e)E.A 65

23.Azospermia is..............
a)semen containing giant headed spermatozoa
b)short tailed spermatozoa
c)coiled spermatozoa
d)total abscence of spermatozoa in semen
e)thick necked spermatozoa

24.The presence of baar bodies in bucal smear signifies:
a)male sex chromatin
b)female sex chromatin
c)super males
d)malignant cells
e)squamous cells

25.The role of exfoliative cytology includes:
a)assessment of hormonal function
b)fixation of tissue sections
c)de-calcification of bone tissues
d)extraction of diseased tissues of the body
e)staining of artefacts

SECTION II (60 MARKS)
1.Outline the procedure for staining paraffin wax sections (20 marks)

2.a)Briefly describe rotary microtome (10 marks)
b)Explain in detail the role of cytology (10 marks)

3.Discuss the following terms (20 marks)
a)Post chroming
b)Ion exchange resin
c)Elective solubility
d)Accentuators

04-A:Histology Question Paper

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