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04-A:Histology Question Paper

04-A:Histology

Course:

Institution: Kenya Medical Training College question papers

Exam Year:2008

KENYA MEDICAL TRAINING COLLEGE

DEPARTMENT OF MEDICAL LABORATORY SCIENCES

2006 SEPTEMBER CLASS

SECOND TERM YEAR II SUPPLEMENTARY/SPECIAL EXAM

BASIC DIPLOMA IN MEDICAL LABORATORY SCIENCES

22/7/2008

8.30AM-10.30AM

PAPER:04-A HISTOLOGY (100 MARKS)

INSTRUCTIONS
1. Write you index number on every answer sheet used.
2. Do not write your name on any answer sheet.
3. Attempt both sections I and II

SECTION I COMPRISES OF M.C.Q.
4. Circle the correct answer(s) in every question.
5. Be careful,as half a mark will be deducted for every wrong response.

SECTION II COMPRISES OF ESSAY QUESTIONS
6. Attempt all the questions.Make sure you understand the question before answering.

SECTION I (M.C.Q 40 MARKS)
1.Roles of vacuoles include:
a)Storage of cell nutrients
b)Transport and delivery
c)Cell division
d)Storage of tissue fluid
e)Powerhouse of the cell
2.Telophase is:
a)First phase of human cell division
b)Last phase of human cell division
c)Second phase of human cell division
3.Simple squamous epithelial cells are located in:
a)Retina of the eye
b)Thyroid glands
c)Tympanic membrane
d)Loop of henle
e)Gall bladder
4.Pulps found in the spleen are:
a)Yellow
b)White
c)Red
d)Green
e)Pink
5.The liver cells are called:
a)Kupffer cells
b)Crypt of lieberkins
c)Bowmans capsules
d)Goblet cells
e)Paneth cells
6.Adrenal glands are found:
a)Above the kidney
b)Around the heart
c)In the brain
d)Around the lung
e)In the liver
7.During autolysis the nucleus:
a)Pyknosis
b)Karyorrhea
c)Disquamanate
d)Diminishes
e)Splits away from basement membrane
8.All the following are characteristics of a good fixative except:
a)Must activate enzymes
b)Must harbour bacteria
c)Must penetrate tissues quickly and evenly
d)Must cause sudden death to the tissue
e)Must harden the tissue
9.Cytoplasmic fixatives include:
a)Flemming
b)Zenker
c)Orths
d)Hellys
e)Muller
10.Tissues that require decalcification include:
a)Lung
b)Brain
c)Kidney
d)Teeth
e)Bone marrow
11.Ingredients of gooding and stewarts solution are:
a)Formic acid
b)Nitric acid
c)Distilled water
d)Trichroacetic acid
e)Hydrochloric acid
12.Chelating agents used in histology for de-calcification are:
a)Uric acid
b)Formal saline
c)Urea
d)Trichloacetic acid
e)Hydrochloric acid
13.Factors considered during tissue processing include?
a)Period of processing
b)The type of fixative
c)the volume of fixative
d)the size of the tissue
e)dehydration
14.Factors that increase the rate of tissue impregnation are:
a)tissue identification
b)the volume of embedding media
c)viscosity
d)heat
e)type of tissue embedded
15.Components of embedding include:
a)Leuchart.
b)tissue tek
c)paraffin wax
d)acetone
e)alcohol
16.Cambridge microtome uses...... type of michrotome knife:
a)biconcave
b)ben heiffor
c)plane wedge
d)plano concave
e)semi plano concave
17.Tool edge type of knife is exceptionally good for?
a)very soft tissue
b)decalcified tissues
c)unde-calcified tissues
d)Intestines
e)hard tissues
18.Examples of adhesives are:
a)Mayer egg albumin
b)Carbon tetrachloride
c)Thymol
d)starch paste
e)gelatin
19.The following are aqueous media except:
a)glycerine jelly
b)xylene balsam
c)DPS
d)DPX
e)farrant media
20.Examples of trapping agents include:
a)tannic acid
b)copper
c)chromium
d)iron
e)phenol
21.The following are factors that affect staining except:
a)Temperature
b)thickness of section
c)Abscence or presence of embedding media
d)the ph
e)staining technique
22.Haemosiderin will stain.......... in PPB:
a)Red
b)Black
c)Yellow
d)Blue
e)Pink

SECTION II (ESSAY 60 marks)
1.a)List four phases of mitosis (4 marks)
b)What are qualities of good fixatives?(6 marks)
c)Write down the procedure of end point of de-calcification (10 marks)
2.With the aid of a well labelled diagram discuss vacuum impregnation technique(20 marks)
3.Define the following terms (10 marks)
a)stropping
b)serial section
c)accentuators
d)post chroming
e)putrefaction
4.Write short notes on rotary microtome (10 marks)

04-A:Histology Question Paper

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