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Locomotion And Movement Mcq
Quiz 3
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Q.1
Which vertebra has the odontoid process? ... ... [ CPMT 1990]
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a) 7th vertebra of Frog
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b) Second vertebra of Frog
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c) Second cervical vertebra of mammal
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d) Second thoracic vertebra of mammal
Explanation
The odontoid process (also dens or odontoid peg) is a protuberance (process or projection) of the Axis (second cervical vertebra). It exhibits a slight constriction or neck, where it joins the main body of the vertebra. Answer : (c)
Q.2
Comminuted fractures are those in which ... ...
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a) A bone breaks into many pieces and some of the pieces are without blood circulation
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b) A bone breaks into two parts
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c) A bone breaks into many parts
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d) A small piece of bone breaks
Explanation
Comminuted fractures are those in which bone breaks into many pieces and some of the pieces are without blood circulation Answer : (a)
Q.3
Which opening occurs in a pair? ... ... [ MPPMT 1990]
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a) Obturator foramen
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b) Foramen magnum
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c) Foramen ovalis
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d) Fenestra rotundus
Explanation
The obturator foramen (Latin foramen obturatum) is the large opening created by the ischium and pubis bones of the pelvis through which nerves and blood vessels pass. Foramen magnum the hole in the base of the skull through which the spinal cord passes. Foramen ovalis is an oval shaped opening in the middle cranial fossa l Fenestra rotundus connects Middle ear to inner ear Answer : (a)
Q.4
Ankle joint is .... .... [ Pb. PMT 1997]
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a) Pivot joint
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b) Ball and socket joint
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c) Hinge joint
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d) Gliding joint
Explanation
Functionally, Ankle joint it is a hinge type joint, permitting dorsiflexion and plantarflexion of the foot Answer : (c)
Q.5
Globular protein which masks active sites of F-actin is ... ... [ kerala 2007]
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a) Troponin
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b) Tropomyosin
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c) Myosin
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d) Light meromyosin
Explanation
Two filaments of tropomyosin protein also run along the length of ‘F’ actins. Also, a complex troponin protein of three globular peptides ( Troponin T- binding globular peptides ( Troponin T-binding to tropomyosin as well as to the other two troponin components; Troponin I – inhibiting the F-actin-myosin interaction, also binding to other components of troponin; Troponin C-calcium binding polypeptide) is distributed at regular intervals on the tropomyosin. In the resting stage of muscle s, a sub unit of troponin masks the active sites for myosin on the actin filaments. Answer : (a)
Q.6
Number of bones in human body is .... ... [ JIPMER 2002]
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a) 206
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b) 205
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c) 306
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d) 305
Explanation
Number of bones in human body is 206 Answer : (a)
Q.7
Two halves of pelvic girdle are joined together by ... ... [ BHU 1999 ]
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a) pubic symphysis
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b) Ischiatic symphysis
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c) Ischiopubic symphysis
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d) By fusion
Explanation
Answer : (a)
Q.8
Total number of muscles are found in ... .... [ RPMT 1996]
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a) 439
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b) 639
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c) 539
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d) 409
Explanation
The number of muscles in our body varies from around 640 to 850. Answer : (b)
Q.9
Synovial fluid is present in ... ..[ Har. PMT 2000 ]
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a) Spinal cavity
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b) Cranial cavity
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c) Freely movable joints
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d) Fixed joints
Explanation
synovial fluid is a viscous, non-Newtonian fluid found in the cavities of synovial joints or freely movable joints, the principal role of synovial fluid is to reduce friction between the articular cartilage of synovial joints during movement. Answer : (c)
Q.10
Lumber vertebrae are found in ... ... [ CPMT 2005]
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a) Abdominal region
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b) Thorax
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c) Neck region
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d) Hip region
Explanation
The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis Answer : (a)
Q.11
Joint pains in old people are mostly due to .... .... [ Wardha 2002]
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a) Reduced synovial fluid
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b) Overproduction of synovial fluid
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c) Formation of extra osteocytes
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d) All the above
Explanation
Joint pains in old people is due to rheumatoid arthritis which causes joints to swell and the capsule to stretch, causing pain. Rheumatoid arthritis is due to overproduction of synovial fluid occurs, Answer : (b)
Q.12
Common to kidney and skeleton in mammals is ... .... [ MPPMT 2009]
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a) Cortex
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b) Medulla
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c) Radius
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d) Pelvis
Explanation
Pelvis is common to kidney and skeleton in mammals. Renal pelvis is the hollow funnel in the outlet of the kidney, into which urine is discharged before entering the ureter. Pelvic girdle also referred as hip girdle consists of two hip bones. Answer : (d)
Q.13
Pelvic girdle consists of ... .... [ CPMT 2002]
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d) ischium and pubis
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a) Ilium
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b) Ilium and ischium
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c) Ilium, ischium and pubis
Explanation
Answer : (c)
Q.14
Triceps is ... ... [ W.B. 2007]
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a) Flexor
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b) Extensor
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c) Abductor
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d) Adductor
Explanation
The triceps is an extensor muscle of the elbow joint Extensor a muscle whose contraction extends or straightens a limb or other part of the body. Answer : (b)
Q.15
Head of humerus is articulated with pectoral girdle by a joint .... .... [ JIPMER 2000]
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a) Hinge
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b) Ball and socket
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c) Immovable
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d) Pivot joint
Explanation
The shoulder girdle or pectoral girdle is the set of bones in the appendicular skeleton which connects to the arm on each side. The shoulder girdle or pectoral girdle is the set of bones in the appendicular skeleton which connects to the arm on each side. In humans it consists of the clavicle and scapula Answer : (b)
Q.16
Hyoid bone occurs in ... ... [ JIPMER 2004]
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a) Sternum
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b) Neck
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c) Ribs
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d) Pectoral girdle
Explanation
The hyoid bone is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage Answer : (b)
Q.17
Elbow joint is ... ... [ CBSE 2009]
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a) Hinge joint
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b) Ball and socket joint
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c) Suture joint
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d) Gliding joint
Explanation
The elbow joint is a complex hinge joint formed between the distal end of the humerus in the upper arm and the proximal ends of the ulna and radius in the forearm. Answer : (a)
Q.18
Major protein in the tick filaments of skeletal muscle fiber is ... ..... [MPPMT 2011]
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a) Myosin
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b) Actin
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c) Tropomyosin
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d) Troponin
Explanation
Thick filaments of skeletal muscle fiber formed from a protein called myosin which has important properties of elasticity and contractibility. Answer : (a)
Q.19
A bone is connected to another by .....[ BHU 2006]
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a) Tendon
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b) Ligament
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c) Cartilage
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d) Muscle
Explanation
Ligaments connect one bone to another bone, tendons connect muscle to bone, and fasciaeconnect muscles to other muscles. Answer : (b)
Q.20
Largest synovial joint is ... .... [ Pb PMT 2002 ]
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a) Hip joint
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b) Knee joint
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c) Shoulder joint
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d) Ankle joint
Explanation
The knee is the largest joint in the body. Answer : (b)
Q.21
Centrum of 8th vertebra of frog is ... ... [ DPMT 2009]
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a) Procoelous
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b) Acoelous
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c) Amphiplatyan
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d) Amphicoelous
Explanation
In frog first vertebra is atlas or cervical which is ring shaped to support the skull. Second to 7th vertebrae are procoelous with elongated transverse processes. Eighth vertebra is amphicoelous and the 9th vertebra is biconvex. Answer : (d)
Q.22
Which one is none of hind limb? ... ... [ CPMT 1991]
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a) Humerus
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b) Femur
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c) Tibia
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d) Fibula
Explanation
The humerus is the long bone in the upper arm. It is located between the elbow joint and the shoulder. Answer:(a)
Q.23
Haversian canals occur in .... .... [ AFMC 1998]
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a) All Bones
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b) Long bones
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c) Alimentary canal
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d) None of the above
Explanation
The haversian canals surround blood vessels and nerve cells throughout bones and communicate withbone cells (contained in spaces within the dense bonematrix called lacunae) through connections called canaliculi.haversian canals found in long bones Answer : (b)
Q.24
Gout that leads to arthritis is associated with abnormality of .... ... [Pb PMT 2005]
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a) Pyrimidine metabolism
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Gout that leads to arthritis is associated with abnormality of Purine metabolism
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c) Fat metabolism
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d) Protein metabolism
Explanation
Regulatory changes in purine synthesis result in increased synthesis of purines via the de novo pathway. These two processes cause uric acid overproduction Gout is a disorder of purine metabolism, and occurs when its final metabolite, uric acid, crystallizes in the form of monosodium urate, precipitating and forming deposits (tophi) in joints, on tendons, and in the surrounding tissues. Answer : (b)
Q.25
A muscle bends a part over another. It is ... ...[ CBSE 1996]
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a) Flexor
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b) Extensor
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c) Abductor
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d) Adductor
Explanation
Flexion is a joint movement that decreases the angle between the bones that converge at the joint. it is typically instigated by muscle contraction. Extensor a muscle whose contraction extends or straightens a limb or other part of the body. Abductor muscle whose contraction moves a limb or part away from the midline of the body, or from another part. the adductor longus is a skeletal muscle located in the thigh Answer : (a)
Q.26
Knee joint is .... ... [ DPMT 2005]
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a) Gomphosis
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b) cartilaginous joint
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c) Suture
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d) Synovial joint
Explanation
The knee is a modified hinge joint, a type of synovial join Answer : (d)
Q.27
ATPase activity in muscle fiber lies with ... ...[ HPPMT 2012]
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a) Light meromyosin
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b) Head of heavy meromyosin
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c) Troponin
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d) Short arm of heavy meromyosin
Explanation
Answer : (b)
Q.28
Joints of skull bones are ... ...Har.PMT 2001]
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a) Synarthroses
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b) Amphiarthroses
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c) Hemiarthrus
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d) Diarthrosis
Explanation
Synarthrosesan immovably fixed joint between bones connected by fibrous tissue A suture is a type of fibrous joint that is only found in the skull. The bones are bound together by Sharpey'sfibres. A tiny amount of movement is permitted at sutures, which contributes to the compliance and elasticity of the skull. These jointsare synarthroses. Answer : (a)
Q.29
Which is cartilaginous joint ... ... [ MHTCET 2007]
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a) Synchondrosis
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b) Symphysis
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c) Diarthrosis
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d) Both a and b
Explanation
Cartilaginous joints are connected entirely bycartilage (fibrocartilage or hyaline). Cartilaginous joints allow more movement between bones than a fibrous joint but less than the highly mobile synovial joint. Synchondrosis Where the connecting medium is hyaline cartilage. A symphysis is a fibrocartilaginous fusion between two bones. A diarthrosis, also known as synovial joint joins bones with a fibrous joint capsule. Answer : (d)
Q.30
Jaw suspension of mammals is .... .. [ MPPMT 2002]
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a) Amphistylic
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b) Autodiastylic
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c) Hyostylic
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d) Craniostylic
Explanation
Jaw suspension is craniostylic. This type of jaw suspension is characteristic om mammals and some consider it as a modification of autostylic suspension, upper jaw fuses throughout its length with cranium and hyomandibular forms the era ossicles malleus and incus consequently two dermal bones dentary of lower jaw and squamosal of skull provide the articulation between jaws Answer : (d)
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