Exam Paper : MLD 2122 Session 4/2014/34

FINAL EXAMINATION
AUGUST 2014 SEMESTER
COURSE
COURSE CODE
DURATION
FACULTY
PROGRAMME
LECTURER
:
:
:
:
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HISTOLOGY
MLD 2122
2 HOURS 30 MINUTES
BIOMEDICAL AND HEALTH SCIENCES
DIPLOMA IN MEDICAL LABORATORY
TECHNOLOGY
: MDM ANUSHIA A/P SWAMINATHAN
INSTRUCTIONS TO CANDIDATES
This paper consists of three (3) sections:
Section A – 30 questions (objective questions)
Section B – 3 questions (short answer questions)
Section C – 3 questions (essay questions)
Answer all questions in Section A and B and two questions in Section C.
All answers of:
Section A must be written in OMR objective paper provided.
Section B and Section C must be written in the answer booklet provided.
The answer for each question must start on a new page.
Candidates are NOT ALLOWED to bring any unauthorized items into the exam hall
except with the permission of your invigilator.
Do Not Open the Question Paper Until Instructed
This Question Paper Consists of Ten (10) Printed Pages
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SECTION A: OBJECTIVE QUESTIONS (30 MARKS)
CHOOSE ONE BEST STATEMENT TO ANSWER THE QUESTIONS
1.
To enter or leave a cell, substances must pass through
(A)
(B)
(C)
(D)
2.
A peripheral membrane protein has which of the following properties?
(A)
(B)
(C)
(D)
3.
be smaller
have a smaller nucleus
lack a plasma membrane
have a greater variety of organelles
The tissues of the body are assigned to four principle types. Which of these
covers the body surfaces, lines cavities and ducts, and forms glands?
(A)
(B)
(C)
(D)
5.
tightly lodged
protrudes from only one membrane surface
protrudes from both sides of the membrane
loosely associated with the inner or outer membrane surface
Bacterial cell are prokaryotic; in comparison to a typical eukaryotic cell they
would
(A)
(B)
(C)
(D)
4.
the nucleus
a ribosome
the Golgi apparatus
the plasma membrane
muscle tissue
nervous tissue
epithelial tissue
connective tissue
The epithelium found lining small tubules and glands that have secretory or
absorptive functions is
(A)
(B)
(C)
(D)
cuboidal
columnar
squamous
ciliated columnar
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6.
Where in the body is the transitional epithelium located?
(A)
(B)
(C)
(D)
7.
Which of the following is NOT primarily composed of connective tissue?
(A)
(B)
(C)
(D)
8.
fat
bone
heart
hyaline cartilage
The tissue that can be classified as specialized connective tissue is
(A)
(B)
(C)
(D)
9.
in the oral cavity
in the urinary tract
in the respiratory air sacs
lining the ducts of sweat glands
blood
loose connective tissue
dense regular connective tissue
dense irregular connective tissue
What type of tissue is a tendon composed of?
(A)
(B)
(C)
(D)
mucous connective tissue
dense regular connective tissue
loose irregular connective tissue
dense irregular connective tissue
10. Which of the following is composed of smooth muscle?
(A)
(B)
(C)
(D)
heart
biceps muscle
upper esophagus
wall of blood vessels
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Figure 1
11. Name the dark divisions or connections between the cell fibers in Figure 1.
(A)
(B)
(C)
(D)
neuron
striations
neuroglia
intercalated discs
Figure 2
12. Identify the tissue type in Figure 2.
(A)
(B)
(C)
(D)
cartilage
cardiac muscle
smooth muscle
skeletal muscle
13. Which of the following is found in the peripheral nervous system?
(A)
(B)
(C)
(D)
microglia
astrocytes
Schwann cells
oligodendrocytes
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14. What are the supporting cells in the central nervous system called?
(A)
(B)
(C)
(D)
ganglion
neuroglia
basket cells
satellite cells
15. The cell body of a neuron is called the
(A)
(B)
(C)
(D)
axon
dendrite
perikaryon
synaptic terminal
16. Which of the following is CORRECTLY matched?
(A)
(B)
(C)
(D)
trachea - hyaline cartilage C-shaped
alveoli - stratified squamous epithelium
bronchioles - hyaline cartilage as irregular plates
bronchi - simple columnar epithelium with Clara cells
17. Which of the following is MISMATCHED?
(A)
(B)
(C)
(D)
type I pneumocyte – remove pulmonary surfactant
type II pneumocyte – secretes pulmonary surfactant
alveolar macrophage – involved in gaseous exchange
dust cell – remove inhaled particulates that reach the alveolus
18. The epithelial lining of a trachea is which of the following tissue types?
(A)
(B)
(C)
(D)
transitional
simple columnar
simple squamous
ciliated pseudostratified
19. The following statements about the stomach is true EXCEPT
(A)
(B)
(C)
(D)
The folds of the stomach are called rugae.
The outermost layer is coated with a serosa.
The muscularis externa is composed of two layers.
Mucous neck cells are present in the upper parts of gastric glands.
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20. What type of muscle makes up the muscularis externa in the esophagus?
(A)
(B)
(C)
(D)
cardiac
smooth
striated
both B and C
21. The organ that has a mucosa lined by non-keratinized stratified squamous
epithelium is the
(A)
(B)
(C)
(D)
stomach
esophagus
large intestine
small intestine
22. Which is the FALSE statement about the ureter and urinary bladder?
(A)
(B)
(C)
(D)
Both lack a muscularis mucosae.
Both are lined by transitional epithelium.
Both have an adventitia covering parts of its organs.
Both have a muscularis that is arranged as an inner circular layer and an outer
longitudinal layer of smooth muscle.
23. What is a glomerulus?
(A)
(B)
(C)
(D)
capillary tuft
efferent arteriole
afferent arteriole
peritubular capillaries
24. The foot processes on podocytes is the
(A)
(B)
(C)
(D)
pedicel
renal corpuscle
parietal layer of Bowman’s capsule
visceral layer of Bowman’s capsule
25. What is the cavity within the secondary follicle in the ovary?
(A)
(B)
(C)
(D)
antrum
zona pellucida
granulosa cells
Graafian follicle
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26. Which stage of the follicle is marked by the surrounding of flattened (squamous)
follicular cells becoming cuboidal?
(A)
(B)
(C)
(D)
primary follicle
Graafian follicle
secondary follicle
primordial follicle
27. Which structure contains the oocyte?
(A)
(B)
(C)
(D)
cortex
follicle
medulla
corpus luteum
28. Which cells produce the male sex hormone testosterone?
(A)
(B)
(C)
(D)
Sertoli cells
Leydig cells
interstitial cells
Both A and B
Figure 3
29. Figure 3 is a part of the seminiferous tubule. Identify the histological feature
shown by the arrow.
(A)
(B)
(C)
(D)
distal tubule
uterine gland
smooth muscle
proximal tubule
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30. Which of the following is NOT considered a part of the wall of the seminiferous
tubule?
(A)
(B)
(C)
(D)
basal lamina
tunica propria
tunica albuginea
semineferous epithelium
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SECTION B : SHORT ANSWER QUESTIONS (30 MARKS)
ANSWER ALL QUESTIONS
1. With the aid of drawings, compare the THREE (3) different types of muscle
tissue and state their locations.
(10 Marks)
2.
a. Draw, label and describe the structural differences between unilocular and
multilocular adipose tissue.
(6 Marks)
b. State the TWO (2) functions of adipose tissue.
(2 Marks)
c. What happens to the fat cells when a person gains or losses weight? (2 Marks)
3.
a. Identify TWO (2) major functions of the respiratory system.
(2 Marks)
b. Briefly relate the histological features that allow it to perform these
functions.
(3 Marks)
c. Describe how the various features of the conducting portion change from the
trachea to terminal bronchioles.
(5 Marks)
i.
Epithelium
ii. Goblet cells
iii. Cartilage
iv. Smooth muscle
v.
Elastic fibres
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SECTION C : ESSAY QUESTIONS (40 MARKS)
ANSWER TWO (2) QUESTIONS ONLY
Question 1
With the aid of diagrams and labelling of various types of epithelial tissue, provide
descriptions of each and explain their functions.
(20 Marks)
Question 2
Draw and explain the THREE (3) types of neuron, and then discuss on the neuroglial
cells and provide examples.
(20 Marks)
Question 3
Describe in detail the renal corpuscle of a nephron.
(20 Marks)
END OF QUESTION PAPER
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