Mini Mid 3rd Week CNS

26 Questions | Total Attempts: 137

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Mini Mid 3rd Week CNS

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Questions and Answers
  • 1. 
    All of the following arise from more than one arch except:
    • A. 

      Hyoide bone

    • B. 

      Thyroid cartilage

    • C. 

      Epiglotis

    • D. 

      Non of them

  • 2. 
    The innervation of the forehead indicates that it develop from :
    • A. 

      Frontonasal process

    • B. 

      Maxillary process

    • C. 

      Mandibular process

    • D. 

      None of the above

  • 3. 
    Area that it's responsible for the sensations from the somatic parts
    • A. 

      Postcentral gyrus

    • B. 

      Superior parietal gyrus

    • C. 

      Both a,c are true

    • D. 

      Non of the above

  • 4. 
    Hyoid bone arises from:
    • A. 

      1st arch

    • B. 

      2nd arch

    • C. 

      3rd arch

    • D. 

      B,c are correct

  • 5. 
    A bifid tongue would result from :
    • A. 

      Duplication of lingual swellings

    • B. 

      Elongation of tuberculumimpar

    • C. 

      Failure of fusion between lingual swellings

    • D. 

      Failure of development of one of the lingual swellings

  • 6. 
    If a patient came with a disability to speak although he could understand words he may have a lesion in ........
    • A. 

      Area 6

    • B. 

      Broca's area

    • C. 

      Superior temporal gyrus

  • 7. 
    Cleft upper lip is due to :
    • A. 

      Failure of fusion of maxillary and mandibular processes

    • B. 

      Non development of the maxillary process

    • C. 

      Failure of fusion of maxillary and medial nasal process

    • D. 

      All of the above

  • 8. 
    The area that its destruction leads to word blindness is 
    • A. 

      Broc's area

    • B. 

      Area 4 of brodmann

    • C. 

      Wernike area

    • D. 

      Prefrontal area

  • 9. 
    One of the following is a proprioceptor :
    • A. 

      Merkel's disc

    • B. 

      Muscle spindle

    • C. 

      Nerve Free ending

    • D. 

      Meissner's corpuscle

  • 10. 
    Pacinian curpscles lie in of all of the following except: 
    • A. 

      Breast

    • B. 

      Skeletal muscles

    • C. 

      Ct of pancreas

    • D. 

      Dermal pupillae in the skin

  • 11. 
    Concerning the muscle spindle which of the following statements is true:
    • A. 

      Nuclear bag is longer but narrower than nuclear chain.

    • B. 

      Nuclear bag is longer & wider than nuclear chain

    • C. 

      -Nuclear bag is more multiple in spindle than nuclear chain.

    • D. 

      -Nuclear bag contain a secondary efferant fibers (flower spray endings).

  • 12. 
    Asteregnosis occur as a result of a lesion in ...... Tract
    • A. 

      Lateral spinothalamic

    • B. 

      Anterior spinothalamic

    • C. 

      Cuneate

    • D. 

      Dorsal spinocerebellar

  • 13. 
    Thermoreceptor monitor body temperature this statement is
    • A. 

      True

    • B. 

      False

  • 14. 
    Chemoreceptor include all of the following except
    • A. 

      Taste receptors

    • B. 

      Olfactory receptors

    • C. 

      Osmoreceptor

    • D. 

      Rodes and cones in retina

  • 15. 
    Gracile & cuneate tracts transmit all the following (except)
    • A. 

      Tactile discrimination

    • B. 

      Vibration

    • C. 

      Conscios proprioceptive

    • D. 

      Tickle

  • 16. 
    All of the following are correct about the hypothalamus except
    • A. 

      It contains chemoreceptores

    • B. 

      It contains both sympathatic and parasynpathatic centers

    • C. 

      It is a temperature regulatory center

    • D. 

      None of them

  • 17. 
    All of the following are not correct about receptor potential except
    • A. 

      It is a graded potential

    • B. 

      It allow all or non rule

    • C. 

      Can not be summated

    • D. 

      Has a refractory period

  • 18. 
    Modality discrimination depends on
    • A. 

      The specialized area of the brain that is activated

    • B. 

      Specificity of the receptor

    • C. 

      Frequency of discharge of action potential

    • D. 

      A,b are correct

  • 19. 
    Paradoxical cold sensation may be produced between/at
    • A. 

      0° to 10°

    • B. 

    • C. 

      Above 45°

    • D. 

      45°

  • 20. 
    Alpha1 agonists produce all the following except:
    • A. 

      Increase blood pressure

    • B. 

      Tachycardia

    • C. 

      Smooth muscle contraction

    • D. 

      Non of the above

  • 21. 
    The drug of choice for the treatment of hypertension during pregnancy 
    • A. 

      Tizanidine

    • B. 

      Brimonidine

    • C. 

      Alpha-methyldopa

    • D. 

      Clonidine

  • 22. 
    ______ can be used to prevent premature labor
    • A. 

      Ritodrine

    • B. 

      Salmeterol

    • C. 

      Ergotamine

    • D. 

      Alpha-methyldopa

  • 23. 
    The drug of choice in treating anaphylactic shock is .....
    • A. 

      Norepinephrine

    • B. 

      Amphetamines

    • C. 

      Ephedrine

    • D. 

      Epinephrine

  • 24. 
    Ergotamine used in :
    • A. 

      Prevention post partum hemorrhage

    • B. 

      Acute attack of migraine

    • C. 

      Parkinsonism

    • D. 

      Hyper prolactinemia

  • 25. 
    The true statement is :
    • A. 

      Beta adrenergic receptors blockers block vasoconstrictor action

    • B. 

      Alpha adrenergic receptors blockers block vasodilating action

    • C. 

      Clonidine cause decrease sympathetic out flow by block the action of alpha2 receptors

    • D. 

      Non of the above

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