MUSCULO SKELETAL SYSTEM
1.
Coxal bone of man is formed by the fusion of
1)
Scapula, coracoid and clavicle 2)
Ilium, ischium and pubis
3) Glenoid cavity, clavicle and
sternum 4) Acetabulum, pubis, and
ischium
2. Acromian process is
1) Flat
expanded process of spine of scapula
2) Triangular bone associated with
the vertebral column
3) Large, triangular flat bone of
pectoral girdle
4) A strong projecting process of the
second cervical vertebra
3.
In the human skull, the bone that articulates with all other bones of cranium is
1)
Temporal 2) Occipital 3) Ethmoid 4) sphenoid
4.
Match the following and choose the correct combination
List I List
II
A) syndesmoses i)
Between epiphyses and diaphyses
B) Condyloid joint ii)
Between humerus and glenoid cavity
C) Synchondroses iii)
Between tibia and fibula
D) Ball and socket joint iv) Between carpal
and metacarpal of thumb
v)
Between occipital condyles and atlas A
B C D A B
C D
1) iii
v iv i 2) ii
iii v i
3) iii
v i ii 4) iii
iv ii i
5.
Study the following
Disorder Symptoms Cause
I) Osteoporosis Inflammation of joints Accumulated
uric acid
II)
Tetany Wild
contractions in muscles Hypoparathyrodism
III)
Myasthenia gravis Fatigue, weakening and Genetic & nutritional disorders
paralysis of skeletal muscles
IV)
Arthritis Inflammation of joints Loss of calcium due to
reabsorption
1)
All except IV are correct 2)
Only II is correct
3) All except II are correct 4)
All are correct
6. Identify
the correct statement with reference to ribs in human.
1)
All bicephalic ribs are true ribs 2)
8th and 9th pair of ribs are floating ribs
3) The first nine pairs of ribs are
connected to sternum directly
4) Floating ribs are free
ventrally
7. Match
the following:
List
- I List
- II
A)
Gliding Joint 1)
Radiocarpal Joint
B)
Condyloid joint 2)
Joint between tarsals
C)
Gomphoses 3)
Knee joint
D)
Hinge Joint 4)
Dentoalveolar joint
5)
Hip joint
A B C D A B C D
1) 1 2 3 4 2)
2 1 4 3
3) 2 1 3 4 4) 2 1 4 5
8. In
a relaxed muscle fibre the H zone is less dense than the rest of the A band,
because it consist
1)
Myosin filaments only 2)
Both myosin and actin filaments
3) Actin filaments only 4)
Without actin and myosin filaments
9. White muscle fibre is
with
1.
Plenty of mitochondria 2.
More sarcoplasmic reticulum
3.
More myoglobin 4.
More utilization of O2 molecules
10. H-zone of a myofibril comprises
1. Only actin 2.
Both actin and myosin
3. Troponin and
tropomyosin 4.
Only myosin
11. Study the following:
I. All true ribs are bicephalic.
II.
Fibrous joints are composed of fibrocartilage.
III.
Clavicle articulates with the acromion process of scapula.
Correct
ones of the above is/are
1. Only I and III 2. Only II and III 3.
Only I and II 4. I, II and III
12. Which of the following
is a paired bone in the skull?
1. Mandible 2.
Vomer 3. Lacrimal 4. Sphenoid
13.
During muscle contraction
1)
Myofilaments shorten, I bands retain their length.
2) Myofilaments not shorten, A bands
shorten
3)
A bands retain their size/ length, I bands get reduced in size/ length, H bands
become narrow
4) Myofilaments do not actually
shorten, A bands shorten, H bands become broad
14.
In an healthy man, blood flowing through the hepatic veins is relatively less
in sugar level, compared to Hepatic portal vein due to
1)
Gluconegogenesis in liver 2)
Glycogenolysis in liver
3) Glycogenesis in blood and
Glycogenolysis in liver
4)
Glycogenesis in liver
15.
Acromion process is associated with
1)
Scapula 2) Clavicle 3) Ilium 4) Ischium
16.
In the striated muscle which is considered as functional unit of contraction.
1)
Sarcosome 2) Sarcocyte 3) Sarcomere 4) Sarcoplasmic reticulum
17.
Sarcolemma invaginates into cytoplasm and form transverse tubule (T-tubulus) at
the level of Z line in
1)
Mammals 2)
Non – mammalian vertebrates
3) Man 4) All
of the above
18.
The smallest and longest bones of the facial region respectively
1)
Mandible, Lacrimal 2)
Lacrimal, Mandible
3) Lacrimal, Palatine 4)
Mandible, Maxillae
19. Identify the set of synarthroses in which the joint is made
up of cartilage and dense irregular connective tissue respectively
1) gomphoses, synchondroses 2) synchondroses,
sutures
3) symphysis, gomphoses 4) sutures,
syndesmoses
20. Identify
correct set of matching
List-I List-II
A)
Gliding joint i)
carpal and metacarpal of thumb
B)
Condyloid joint ii)
inter tarsal joint
C)
Ball and socket joint iii)
occipital condyles and atlas
D)
Hinge joint iv)
humerus and ulna
E)
Saddle joint v)
atlas and axis
vi)
humerus and glenoid cavity
1)
A-ii, B-v, C-vi, D-iv, E-i 2)
A-ii, B-iii, C-vi, D-iv, E-i
3) A-ii, B-v, C-iv, D-vi, E-i 4) A-ii, B-iii,
C-vi, D-i, E-iv
21. The
tissue which resists stretching and prevents dislocation of joints is
1)
densefibrous irregular connective tissue 2)
areolar tissue
3) synovial fluid 4)
elastic tissue
22.
Study
the following statements about muscle contraction and choose the incorrect
ones
1)Structural
and functional unit of muscle contraction is a sarcomere
2)A
sarcomere consists of three different types of regions based on their intensity of darkness
3)During
the muscle contraction myofilaments decrease in their length
4)Repeated
activation of the skeletal muscles increases the rate of anaerobic glucose
breakdown
23.
Assertion(A):
Sphenoid bone is the keystone bone.
Reason(R ): Sphenoid bone is
present in the middle of the roof of the skull and articulates with all other
bones
1)
A&R are true R does not explain A 2)
A & R are true R explains A
3)
A is false but R is true 4)
A is true but R is false
24.
Match
the following and choose the correct answer
A)Vertebro-chondral rib I)Odontoid
process
B)Spine of scapula II)8th
rib
C)Syndesmose III)Tibia
and fibula
D)Axis IV)Acromion
process
V)6th
rib
A B C D A B C D
1) III II I V 2) II IV III I
3) II IV III V 4) III I V IV
25.
Type
of inter-carpal and inter-tarsal joints is
1)Pivot
joints 2)Gliding 3)Condyloid 4)Hinge joint
26.
Cori
cycle is concerned with
1)Glycogenolysis 2)Glycogenesis
3)Glucogenesis 4)Gluconeogenesis
27. Identify the correct combinations
Bones Their number Position
I.
Occipital 2 Base of
cranium
II.
Parietals 2 Sides
and roof of crianial cavity
III. Temporal 2 Lateral parts of cranium
IV.
Sphenoid 1 Midline
of cranial floor
1)
I & II 2)
II & III 3) I &
III 4) I, II
& IV
28. Identify the correct statements
I. All true ribs are vertebro-chondral
ribs
II. All false ribs are floating ribs
III. All vertebrochondral ribs are
false ribs
IV. Only first seven pairs of ribs are
attached to vertebrae
1)
All 2) I,
II, IV 3) Only IV 4) Only III
29. Identify
the mismatch
1)
Glenoid cavity – Head of humerus 2)Acetabulum-
Head of femur
3) Acromian process –Sacrum 4) Odontoid process –
Odontoid canal
30. Number
of movable bones in skull
1) 8 2)
7 3)4 4)
1
31. Identify the correct statements
I. M-line is the middle of ‘A’ band
II. M-line is the middle of the sarcomere
III. H zone is darkest region of a
sarcomere
IV. Z line is the middle of sarcomere
1.All 2.
I, II & IV 3.I & II only 4. III & IV only
32. Assertion (A): Troponin and tropomyosin are
the regulatory proteins
Reason(R): Masking and unmasking of active
sites of actin molecules are due to troponin and tropomyosin
1)
Both
A and R are true and R is
the correct explanation of A.
2)
Both A and R are true and R is not the correct explanation of A.
3) A
is true but R is false. 4) Both A and R are false
33. Match
A. Motor protein I. LMM
B. Motor end plate II. HMM
C. Cross arm III. Myosin
D. Tail IV.
Neuromusular junction
V.
Troponin
1. I II III V 2. III IV
I II 3. IV III II I 4.
III IV
II I
34. Pick up the events that occur during
contraction of a muscle
A. Active sites are exposed B. Active sites are
masked
C. Ca+ bind to TnC D.
Ca++ detach from TnC
E. Formation of cross bridges F.
Heads of myosin fail to bind with active sites
1. A, C, E, F 2.
A, C, E 3.B, C, E 4. A, C, F
35. Match the following
List – A List – B
A. Acromion process 1. Odontoid process
B. Axis 2. Movable bone of
the skull
C. Mandible 3. Frontal bone and parietal
bone
D. Lambdoid suture 4. Scapula
5.
Parietal bone and occiput
A B C D A B C D
1) 4 1 2 3 2) 3 2 4 1
3) 4 1 2 5 4) 2 3 4 5
36. Active site on the thin filament is exposed
when
1) Troponin –I binds with tropomyosin 2) Tropomyosin is attached to
calcium
3) Troponin- C binds with thin
filament
4) Troponin- Tropomyosin
complex moves away from active site
37. If the foramen ovale does not close properly
after birth, it is called
1) Patent foramen ovale 2)
Fossa ovalis
3) Fenestra ovalis 4)
Foramen magnum
38. Which of the following vessel contain blood
with relatively more concentration of bicarbonates
1) Internal Jugular vein 2)
Pulmonary artery
3) Hepatic portal vein 4)
Coronary artery
39. Arrange the following in correct sequence
from the shoulder to the metacarpals of the forelimb
a. Gliding joint b.
Ball and socket joint
c. Condyloid joint d.
Hinge joint
1) d-c-a-b 2) b-d-a-c 3) a-b-d-c 4)
b-a-c-d
40. Joint between atlas and skull is
1)
gliding 2) pivot 3) hinge 4) condyloid
41. Hyperglycemic condition in blood is due to
a) low levels of glucagon b) low levels of
insulin
c) low levels of adrenocorticoids d) high levels of
glucocorticoids
1)
b and d 2) a, b and
c 3) b and c 4) a and c
42. Read the following statements about the
vertebrae of humans and pick out the correct statements.
I)
Thoracic vertebrae consist of articular facets for capitulum and
tuberculum of ribs.
II)
Sacrum is a triangular bone formed by the fusion of three sacral
vertebrae.
III) Odontoid process of first
vertebrae fits into the odontoid canal of second vertebra.
IV) The largest and strongest free
vertebrae of human vertebral column provide surface for the attachment of the large back muscles.
1) II
& III 2) I, II,
III 3) I &
IV 4) II, III &
IV
43. Mitochondria are few but amount of
sarcoplasmic reticulum is more in
1)
White muscle fibres 2)
Red muscle fibres
3) Aerobic muscles 4)
Both white and red muscle fibres
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