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  1. Malaria.

***) Which of the following drugs is useful for Plasmodium falciparum malaria chemoprophylaxis:

  1. Emetine hydrochloride

  2. Trimetoprim

  3. Chloroquine

  4. Metronidazole

  5. Rifampicin

Answer: C* Chloroquine

  1. Tuberculosis (tb).

***) All of the following statements regarding tuberculosis are true, except:

  1. The risk of developing TB disease is greatest within the first year following infection

  2. Most cases of tuberculosis occur as a result of primary infection

  3. Isoniazid chemoprophylaxis may be given to selected high risk patients over 35 years of age

  4. Incidence of the disease among elderly is higher than that of middle aged

  5. Most cases of tuberculosis can be successfully treated with antituberculous drugs

Answer:cccc B* Most cases of tuberculosis occur as a result of primary infection

***) One of the following is a chronic specific inflammation:

  1. Gonorrhea

  2. AIDS

  3. Tuberculosis

  4. Viral hepatitis

  5. Fibroadenosis

Answer: C* Tuberculosis

***) One of the following is etiological agent of Pott’s disease:

  1. Actinomyces israelii

  2. Haemophilus influenza

  3. Treponema pallidum

  4. Mycobacterium tuberculosis

  5. Coccidioides immitis

Answer: D* Mycobacterium tuberculosis

***) The mode of transmission of tuberculosis is mostly:

  1. Droplet

  2. Airborne

  3. Common vehicle

  4. Contaminated hands

  5. Sexual

Answer: B* Airborne

***) Mycobacterium tuberculosis is characteristically transmitted by one individual to another by:

  1. Airborne transmission

  2. Contact with blood products

  3. Food contamination

  4. Contaminated water supply

  5. Insect vector

Answer: A* Airborne transmission

***) Only one of the following is a site of primary TB:

  1. Bone

  2. Testis

  3. Kidney

  4. Tonsil

  5. Stomach

Answer: D* Tonsil

***) All of the following may be sites of primary TB, except:

  1. Skin

  2. Bone

  3. Lung

  4. Ileum

  5. Tonsil

Answer: B*ileum Bone

***) A positive tuberculin test (PPD) is considered when the induration diameter is:

  1. 3millimeter

  2. 5millimeter

  3. 7millimeter

  4. 9millimeter

  5. 10millimeter and more

Answer: E* 10millimeter and more

***) The least amount of reaction which would be considered a definite positive reaction to PPD in children is:

  1. Any reaction

  2. Over 5mm erythema

  3. Over 5mm induration

  4. Over 10mm erythema

  5. Over 10mm induration

Answer: E* Over 10mm induration

***) All the following are anti tuberculosis drugs except:

  1. Isoniazid

  2. Rifampicin

  3. Methimazole

  4. Pyrazinamide

  5. Ethambutol

Answer: C* Methimazole

***) All of the following are anti-tuberculous drugs, except:

  1. Streptomycin

  2. Ethambutol

  3. Kanamycin

  4. Rifampicin

  5. Isonicotinic acid hydrazide (INH)

Answer: C* Kanamycin

***) All of the following are anti-tuberculous drugs, except:

  1. Rifampicin

  2. Isoniazid

  3. Co-trimoxazole

  4. Pyrazinamide

  5. Ethambutol

Answer: C* Co-trimoxazole

***) Contacts with a patient having TB who recently changed from negative to positive for PPD test should receive:

  1. INH

  2. Rifampicin

  3. INH + Rifampicin

  4. Streptomycin

  5. INH + Rifampicin + Ethambutol

Answer: A* INH

***) One of the following anti-tuberculous treatments causes optic neuritis:

  1. Pyrazinamide

  2. INH

  3. Rifampicin

  4. Streptomycin

  5. Ethambutol

Answer: E* Ethambutol