Mini End Of Muscloskeletal Module

32 Questions

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Mini End Of Muscloskeletal Module

The musculoskeletal system provides form, support, stability, and movement to the body. It is made up of the bones of the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. Test your understanding of this system by tackling the quiz below. Give it a go!


Questions and Answers
  • 1. 
    Trapizius is originated from all of the following except 
    • A. 

      Ligamentum nichae

    • B. 

      External occipital protuberance

    • C. 

      Outer lip of iliac crest

    • D. 

      Spine of all thorathic vertebra

  • 2. 
    All of the following are boundaries of the apex of axilla except
    • A. 

      The clavicle

    • B. 

      Superior border of scapula

    • C. 

      Outer border of first rib

    • D. 

      Upper part of the shaft of the humerus

  • 3. 
    Flexor digitorum profundus is supplied by 
    • A. 

      Ulnar nerve

    • B. 

      Radial nerve

    • C. 

      Anterior interosseous nerve

    • D. 

       both a and c

    • E. 

       both b and c

  • 4. 
    The earliest bone to ossify in body is
    • A. 

      Clavicle

    • B. 

      Humerus

    • C. 

      Radius

    • D. 

      Ulna

  • 5. 
    A 20-year old male present to the emergency with severe bleeding from his leg , to check that his blood supply of his foot isn't interrupted , we can feel the Pulsation of ......
    • A. 

      Aorta

    • B. 

      Brachial artery

    • C. 

      Femoral artery

    • D. 

      Dorsalis pedis artery

  • 6. 
    Median nerve reaches the hand by passing deep to the extensor retinaculum 
    • A. 

      True

    • B. 

      False

  • 7. 
    All these information about brachial artery are true except
    • A. 

      Along its course it is relatively superficial

    • B. 

      Related laterally to median nerve

    • C. 

      Terminates opposite to neck of radius

    • D. 

      Related medially to cephalic vein

  • 8. 
    Which of the following supply the base of the thumb
    • A. 

      Radial nerve

    • B. 

      Ulnar nerve

    • C. 

      Musclocutaneous nerve

    • D. 

      Median nerve

  • 9. 
    The most common site of fracture of the clavicle is:
    • A. 

      Medial end

    • B. 

      Lateral end

    • C. 

      Junction of the medial two-third & lateral third

    • D. 

      Junction of the lateral two-third & medial third

  • 10. 
    All the following give blood supply for the head  & neck of the is femur (except)
    • A. 

      Acetabular artery

    • B. 

      Retinacular supply

    • C. 

      Superior gluteal arteries

    • D. 

      Obturator artery branches

  • 11. 
    Flexor digitorum longus is supplied by
    • A. 

      Musclocutaneous nerve

    • B. 

      Tibial nerve

    • C. 

      Anterior tibial nerve

    • D. 

      Posterior tibial nerve

  • 12. 
    In case of injury of common peroneal nerve one of the following will be lost
    • A. 

      Sensation on the lateral side of the foot

    • B. 

      Dorsiflelxion of foot

    • C. 

      Sensation on the medial side of foot

    • D. 

      Plantar flexion of foot

  • 13. 
    The medial planter nerve supplies the all the following muscles except
    • A. 

      Flexor digitorum brevis

    • B. 

      All interossei

    • C. 

      First lumbrical muscle

    • D. 

      Flexor hallucis

  • 14. 
    The structure that lies anterior to the knee joint is
    • A. 

      Supra patellar bursa

    • B. 

      Deep infra patellar bursa

    • C. 

      Quadriceps tendon

    • D. 

      Pre patellar bursa*

  • 15. 
    Volkmann's canals differ from haversian canals in :
    • A. 

      They are oblique

    • B. 

      Run parallel to the axis of the bone

    • C. 

      Not surrounded by cocentric bone lammellae

    • D. 

      A & c

  • 16. 
    Thin myofilaments in smooth muscle fibers is mainly composed of
    • A. 

      Actin , myosin

    • B. 

      Actin , tropomyosin

    • C. 

      Troponin , myosin

    • D. 

      Tropomyosin , troponin

  • 17. 
    Removal of ...... From bone matrix makes fragile bone ,while removal of ...... From bone matrix makes bone flexible .
    • A. 

      Glycoprotein , collagen

    • B. 

      Collagen , calcium

    • C. 

      Calcium , collagen

    • D. 

      Proteoglycan , calcium

  • 18. 
    The bone forming cells are
    • A. 

      Osteoprogenitor cells

    • B. 

      Osteoblast

    • C. 

      Osteoclasts

    • D. 

      Osteocytes

  • 19. 
    The only structure seen by osmic stain  in neurons' sections
    • A. 

      Mitochondria

    • B. 

      Axon

    • C. 

      Nulei

    • D. 

      Myelin sheath

  • 20. 
    An action potential rapidly spreads  to the central portions of the muscle by the mean of 
    • A. 

      Z line

    • B. 

      Sarcoplasmic reticulum

    • C. 

      H zone

    • D. 

      T tubules

  • 21. 
    Regarding sodium potassium pump the true choice is
    • A. 

      There is a carrier protein formed of 2 separate globular proteins

    • B. 

       it's the most important passive mechanism in the body

    • C. 

      It occurs uphill against both concentration and electrochemical gradient

    • D. 

      It transports Na to the interior of the cell along the concentration gradient

    • E. 

      A&c

  • 22. 
    Chief ions on inner surface of the membrane are
    • A. 

      Na ,Cl and Hco3

    • B. 

      Na and K

    • C. 

      K and proteins

    • D. 

      None of the above

  • 23. 
    Descending limb represents
    • A. 

      Repolarization

    • B. 

      Afterdepolarization

    • C. 

      Depolarization

    • D. 

      Undershoot

  • 24. 
    Injury of destruction of a motor nerve supplying a skeletal muscle lead to
    • A. 

      Muscle atrophy

    • B. 

      Muscle denervation

    • C. 

      Muscle fatigue

    • D. 

      All of the above

    • E. 

       a and b

  • 25. 
    In the presence of 02 , glycogen gives ................ followed by oxidation to give co2 and H2o.
    • A. 

      Lactic acid

    • B. 

      Acetic acid

    • C. 

      Glycolic acid

    • D. 

      Pyurvic acid

  • 26. 
    Hyperplasia is an increase in the number of muscle cells.
    • A. 

      True

    • B. 

      False

  • 27. 
    Histamine release causes all of the following except
    • A. 

      Peripheral vasodilatation

    • B. 

      Bronchospasm

    • C. 

      Decrease bronchial and gastric secretions

    • D. 

      Hypotension

  • 28. 
    All of the following are from central muscle relaxants except
    • A. 

      Mephenesin congeners

    • B. 

      Dantrolene

    • C. 

      Benzodiazepine

    • D. 

      Baclofam

  • 29. 
    Dantrolene is used to treat malignant hyperthemia caused by succinyl choline because dantrolene
    • A. 

      Act centrally to reduce fever

    • B. 

      Increases the rate of succinylcholine metabolism

    • C. 

      Blocks ca release from sarcoplasmic reticulum

    • D. 

      Induces contraction of skeletal muscle

  • 30. 
    Which of the following can be used for the relief of acute muscle spasm 
    • A. 

      Botulinium toxin

    • B. 

      Rocuronium

    • C. 

      Chlorozoxane

    • D. 

      Gabapentin

  • 31. 
    GABA b receptor agonist is
    • A. 

      Tubocurarine

    • B. 

      Baclofen

    • C. 

      Gentamycin

    • D. 

      Diazepam

  • 32. 
    Every third aminoacid in each sequence of tropocollagen is
    • A. 

      Glycine

    • B. 

      Proline

    • C. 

      Hydroxy proline

    • D. 

      Hydroxylysin