M&r Review By : Kmsa-med

21 Questions | Total Attempts: 79

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M&r Review  By : Kmsa-med - Quiz

This quiz made by : KMSA- MED Team ​ Ruqaya Ali Murtadha Nadhom For more information contact us : [email protected] Com © 2023 by KUFA MED. ST​----- Mohammed H. Hilow ​KMSA President


Questions and Answers
  • 1. 
    Procaine mechanism of action is
    • A. 

      Blocking Na channel

    • B. 

      Blocking Na pump

    • C. 

      Blocking Ca channel

    • D. 

      Activating k channel

  • 2. 
    Na Ca exchanger consider a :-
    • A. 

      Secondary active antiport

    • B. 

      Secondary active symport

    • C. 

      Primary active

    • D. 

      Ligand gated channel

  • 3. 
    Capacitance of large unmyelinated fiber is :-
    • A. 

      Higher than that of large myelinated fibers

    • B. 

      Lower than that of myelinated fiber

    • C. 

      Equal to capacitance of myelinated fibers

    • D. 

      None of above

  • 4. 
    C sensory fibers have a characteristics of :-
    • A. 

      Low resistance and high capacitance

    • B. 

      High capacitance and high resistance

    • C. 

      High resistance and low capacitance

    • D. 

      Low resistance and low capacitance

  • 5. 
    V2 vasopressin receptors,  activated by ------- . And located in------
    • A. 

      ADH , kidney

    • B. 

      ADH , blood vessels

    • C. 

      Angiotensin 2 , kidney

    • D. 

      Angiotensin 2 , blood vessels

  • 6. 
    Increase membrane Cl  permeability results in :-
    • A. 

      Difficulty to initiate a stimulatory action potential

    • B. 

      Increase cell excitability

    • C. 

      Block K channel

    • D. 

      Decrease Na pumping activity

  • 7. 
    Prolonged usage of loop diuretic may cause :-
    • A. 

      Hypokalemia

    • B. 

      Hyperkalemia

    • C. 

      Hypocalcemia

    • D. 

      Hypercalcemia

  • 8. 
    Years old patient presented with fever and  rectal temperature of 38.3 what would you predict about membrane cholesterol role in that patient :-
    • A. 

      Decrease fluidity

    • B. 

      Increase fluidity

    • C. 

      Increase permeability

    • D. 

      Both second and third choice

  • 9. 
    Glycine mechanism of action is :-
    • A. 

      Inhibitory post synaptic potential

    • B. 

      Excitatory post synaptic potential

    • C. 

      Na channel blocker

    • D. 

      K channel blocker

  • 10. 
    One of the followings is not a neurotransmitter
    • A. 

      DAG

    • B. 

      Glycine

    • C. 

      Dopamine

    • D. 

      Acetylcholine

  • 11. 
    Apotransferrin dissociate from its receptors at
    • A. 

      Neutral PH

    • B. 

      Low PH

    • C. 

      High Fe level

    • D. 

      Low Fe level

  • 12. 
    Asthmatic pt due to allergy(allergic asthma) You prefer to give him
    • A. 

      Beclomethasone

    • B. 

      Diphenhydramine

    • C. 

      Antihistamine

    • D. 

      Cromoglycate

  • 13. 
    B blocker help hypertensive by several mechanisms except
    • A. 

      Vasodilation

    • B. 

      Decrease SV

    • C. 

      -ve chronotropic effect

    • D. 

      Inhibition of renin system

  • 14. 
    These substances help in lowering of HT except
    • A. 

      Methoxamine

    • B. 

      Clonidine

    • C. 

      Guanethedine

    • D. 

      Insecticide organophosphorous

  • 15. 
     [x] This drug is cautious to give to a diabetic patient
    • A. 

      Propanolol

    • B. 

      Dopamine

    • C. 

      Prazosin

    • D. 

      Clonidine

  • 16. 
    [x] 43 years old  hypertensive man suffer from enlarged prostate,the most suitable drug to give is(most suitable)
    • A. 

      Prazosin

    • B. 

      Dobutamine

    • C. 

      Salbutamol

    • D. 

      Tamsulusin

  • 17. 
    These drugs are used treatment of glaucoma except
    • A. 

      Dobutamine

    • B. 

      Timolol

    • C. 

      Pilocarpine

    • D. 

      Apraclonidine

  • 18. 
     [x] If A is suddenly withdrawn after chronic use and the patient has inverse symptoms like tachycardia, hypertension...You think A is....bcz ....
    • A. 

      Metaprolol,up regulation

    • B. 

      Salbutamol,up regulation

    • C. 

      Dobutamine,down regulation

    • D. 

      Yohimbine,up regulation

  • 19. 
    Drug's side effects tend to become less intense with time , even though drug administration is continued    due to :-
    • A. 

      Physiological adaptation

    • B. 

      Receptor conformational changes

    • C. 

      Numerical down regulation

    • D. 

      Exhaustion of mediators

  • 20. 
    The inverse agonist has Emax.............while antagonist Emax is..............
    • A. 

    • B. 

      0,

    • C. 

      >0,>0.

    • D. 

  • 21. 
    An case with MI due occlusion of one of coronary arteries due to thrombus has given warfarin,  before coming to A&E he took allopurinol as treatment of gout arthritis and erythromycin as treatment of Tonsillitis drug  interaction of drugs may lead  to  :  .
    • A. 

      Bleeding

    • B. 

      Another thrombus

    • C. 

      Angina

    • D. 

      HyperAcute

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