Common Microbiology Objective Type Questions And Answers

51)Dissociate anaesthesia is described with which of the following?
 
     A.    Propofol
     B.    ketamine
     C.    Thipental
     D.    Halothane
      Ans:B

52)In colour Doppler the colour depends upon?
 
     A.    Strength of returning echo
     B.    Relation of transducer to blood flow
     C.    Frequency of Doppler used
     D.    Type of Doppler machine used
      Ans:B    

53)The commonest cause of breech presentation is:
 
     A.    Prematuarity
     B.    Hydrocephalus
     C.    Placenta praevia
     D.    Polyhydramnios
      Ans:A
 
54)Which of the following pathologic processes in an example of dysplasia?
 
     A.    Actinic keratosis
     B.    Chronic cystitis
     C.    Chronic bronchitis
     D.    Ulcerative colitis
     Ans:A
 
55)True regarding tubercular meningitis:
 
     A.    Generally occurs as dissemination of a miliary

tuberculosis
     B.    The cranial nerves frequently are involved
     C.    The most common affected leptomeninges are at the base

of the brain
     D.    Communicating and obstructive hydrocephalus cortical

abscesses, and empyemas are very uncommon complications
       Ans:D    

56)Haemostasis means?
 
     A.    Coagulation
     B.    Maintenance of electrolyte balance
     C.    Sufficient hydration
     D.    Arrest of bleeding
  Ans:D    

57)The average coronary blood flow in human being at rest is _ % of cardiac output ?
 
     A.    4.5%
     B.    5-10%
     C.    10-15%
     D.    15-20%
    Ans:A
     
58)Rigor mortis first starts in?
 
     A.    Upper eyelids
     B.    Lower eyelids
     C.    Lower limbs
     D.    Fingers
    Ans:A

59)Madura foot is caused by?
 
     A.    Blastomycosis
     B.    Nocardia
     C.    Candida albicans
     D.    Tinea versicolor
     Ans:B    

60)Population of 10000, birth rate 36 per 1000, 5 maternal deaths, the MMR is?
 
     A.    14.5
     B.    13.8
     C.    20
     D.    5
        Ans:B

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Tricky Microbiology Objective Type Questions And Answers

41)Which is NOT visualized on posterior rhinoscopy?
 
     A.    Eustachian tube
     B.    Inferior meatus
     C.    Middle turbinate
     D.    Posterior border of nasal septum
      Ans:B    

42)Which one of the following would cause a metabolic acidosis is with a normal anion gap?
 
     A.    Renal tubular acidosis
     B.    Acute renal failure
     C.    Diabetic ketoacidosis
     D.    Aspirin overdose
       Ans: A    

43)All of the following organs contain aneurysm in polyarteritis nodosa except?
 
     A.    Liver
     B.    Lung
     C.    Kidney
     D.    Pancreas
      Ans: C    

44)Diphtheria toxin acts by?
 
     A.    Inhibiting Acetyl Choline release
     B.    Inhibiting glucose transport
     C.    Increasing levels of Cyclic AMP
     D.    Inhibiting protein synthesis
       Ans:D    

45)Smokeless gun powder is composed of?
 
     A.    KMno4
     B.    HCN
     C.    Nitrocellulose
     D.    Sulphur
       Ans:C    

46)Cetuximab (an EGFR antagonist) can be used in?
 
     A.    Palliation in head and neck cancer
     B.    Anal canal carcinoma
     C.    Gastric cancer
     D.    Small cell lung carcinoma
       Ans:A    

47)The formula showing relations of pressure, thickness and radius?
 
     A.    Laplace formula
     B.    Ohm's law
     C.    Pascal's law
     D.    Poisseulle's formula
      Ans:A    

48)Dapsone is useful for treating all except?
 
     A.    Leprosy
     B.    Dermatitis Herpetiformis
     C.    Madura Foot
     D.    Lymphoma
      Ans:D    

49)The most important factor to overcome protein energy malnuntrition in children less than 3yrs is;
 
     A.    Suply of subsidized food from ration shop
     B.    Early supplimentation of solids in infants
     C.    immunization to the child
     D.    Treatment of anaemia and pneumonia in infant and

toddlers
     Ans:B    

50)The binding of 2,3 BPG to Hemoglobin is to?
 
     A.    Carboxyterminal
     B.    Amino terminal
     C.    Sulphydryl groups
     D.    None of the above
      Ans:B

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Microbiology Online Quiz Questions And Answers

31)Which of the following is not likely in patients taking amiodarone?
 
     A.    Pulmonary fibrosis
     B.    Hypothyroidism
     C.    Hyperthyroidism
     D.    Gynaecomastia
      Ans:D    

32)Which of the following helps in preventing colon cancer?
 
     A.    High fiber diet
     B.    Selenium
     C.    Antioxidants
     D.    Fatty food
      Ans:A    

33)    Size of ovary, above which considered to be malignant?
 
     A.    2 cm
     B.    5 cm
     C.    8 cm
     D.    10 cm
     
34)Cadaveric spasm
 
     A.    Instant in onset
     B.    Confined to small group of muscles
     C.    Occurs only in voluntary muscles
     D.    All of the above
      Ans:D

35)The radionuclide used for ventriculography is
 
     A.    Thallium
     B.    Technetium
     C.    Gallium
     D.    Pottasium
       Ans:B    

36)"Signet ring cells" are seen in?
 
     A.    Carcinoma cervix
     B.    Carcinoma endometrium
     C.    Krukkenberg tumour
     D.    Carcinoma vulva
     Ans:C

37)Cimetidine was synthesized by?
 
     A.    Black
     B.    Upjohn
     C.    Lindsay
     D.    Lilly
      Ans:A    

38)Nutritional status of children between 0-4 years in a community can be assesed by all except?
 
     A.    Mortality in 0-4 years
     B.    Birth weight of less than 2.5 gm
     C.    Maternal Hb<11.5 g/dl/
     D.    Height and weight of all preschool children
     Ans:C    

39)Pulmonary fibrosis in Bronchogenic carcinoma of lung may follow exposure to?
 
     A.    Coal dust
     B.    Silica
     C.    Asbestos
     D.    Bagasse
      Ans:C    

40)Ejection fraction increases with?
 
     A.    Decrease end-systolic volume
     B.    Decrease end-diastolic volume
     C.    Decreased peripheral resistance
     D.    Venodilation
      Ans: A    

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Microbiology Objective Type Questions And Answers

21)Oesophagus receives blood supply from all except?
 
     A.    Inferior thyroid artery
     B.    Inferior phrenic artery
     C.    Internal mammary artery
     D.    Bronchial artery
      Ans:C    

22)All are pencillinase resistant except?
 
     A.    Methicillin
     B.    Nafcillin
     C.    Penicillin
     D.    Dicioxacillin
       Ans:C    

23)Mild hemolyti anaemia is associated with vitamin.. . Deficiency?
 
     A.    B6
     B.    E
     C.    A
     D.    C
      Ans:B    

24)Trimethoprim acts by?
 
     A.    Inhibiting DHFR
     B.    Inhibiting cell metabolism
     C.    Inhibiting DNA
     D.    Inhibiting RNA
       Ans:A    

25)Paradoxically split second heart sound signifies severe?
 
     A.    Pulmonary stenosis
     B.    Mitral stenosis
     C.    aortic stenosis
     D.    tricuspid stenosis
      Ans:C    

26)Riboflavin nutritional status is assessed by?
   
     A.    Xanthine oxidase levels in RBC's
     B.    Glutathione reductase activation in RBC's
     C.    Urine excretion of Riboflavin
     D.    Cytochrome- C-reductase levels in kidneys
     Ans:B
     
27)Provision of free medical care to the people at government expense is known as?
 
     A.    State medicine
     B.    Social therapy
     C.    Social medicine
     D.    Social insurance programme
      Ans:A

28)Shortest sacrocotyloid diameter causing narrowing of pelvis is a feature of which type of maternal pelvis?
 
     A.    Android
     B.    Gynaecoid
     C.    Platypelloid
     D.    Anthropoid
       Ans:C    

29)What is Bennett's fracture?
 
     A.    Fracture dislocation of base of first metacarpal
     B.    Fracture dislocation of base of first metatarsal
     C.    Fracture of first metatarsal
     D.    Fracture of first metacarpal
        Ans:B

30)All the following techniques are helpful in the diagnosis of 

haemoglobinopathies, except?
 
     A.    Alkali denaturation test
     B.    Cellulose acetate electrophoric
     C.    Sickling test
     D.    Osmotic fragility test
      Ans:D    

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100 TOP Microbiology Multiple Choice Questions and answers

Latest Microbiology Multiple Choice Questions and answers pdf free download free

1) Regarding serratus anterior muscle which is incorrect?
   
     A.    Multipinnate muscle
     B.    Lifts arm above the shoulder
     C.    Supplied by long thoracic nerve
     D.    Originates from lower eight ribs
       Ans: D      

2) The treatment of choice for atticoantral variety of chronic suppurative otitis media is:
   
     A.    Mastoidectomy
     B.    Medical management
     C.    Underlay myringoplasty
     D.    Insertion of ventilation tube
        Ans:A      

3) All of the following are the complications in the new born of a diabetic mother except?
   
     A.    Hyperbilirubinemia
     B.    Hyperglycemia
     C.    Hypocalcemia
     D.    Hypomagnesemia
        Ans:B      

4) The correct line of management in child who has swallowed a coin is?
   
     A.    Fiber optic endoscopy
     B.    Rigid endoscopy
     C.    Laparotomy
     D.    Wait and Watch
        Ans: D      

5)Helper cells belong to?
   
     A.    T cells
     B.    Macrophages
     C.    B cells
     D.    Monocytes
       Ans:A
     
6)Mac Ewen's triangle can be felt through the?
   
     A.    Superior conchae
     B.    Cymba conchae
     C.    Middle conchae
     D.    Posterior part of auricle
        Ans:B

7)Most common strain of E.coil giving rise to traveller's diarrhoea is?
   
     A.    Entero-invasive E.coil
     B.    Entero-pathogenic E.coil
     C.    Entero-toxigenic E.coil
     D.    Entero-aggregative E.coil
       Ans:C  

8)With urine turning green on ferric chloride test, the diagnosis is:
   
     A.    Phenylketonuria
     B.    Alkaptonuria
     C.    Multiple carboxylase deficiency
     D.    Glutaric aciduria
        Ans:A      

9)For assessing the ability of protein utilisation the best index is?
   
     A.    Urea
     B.    Uric acid
     C.    Blood ammonia
     D.    Urinary nitrogen content
        Ans:D      

10)Screening test is not useful when?
   
     A.    Incidence of the disease
     B.    Incidence is low in the community
     C.    Early detection leads to favorable outcome
     D.    The disease has a lead time
        Ans:B      

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