USMLE: Medical Science MCQs (Practice-Test 105 of 135)

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  1. The best means of confirming enteric fever is

    1. Detection of microbial antigen by coagglutination method

    2. Detection of Viantigen in urine using ELIS A technique

    3. Titration of antibody, particularly demonstration of ‘rising litre’ in acute stage and/or ‘falling titre’ in convalescence

    4. Clinical history corroborated by positive physical findings

  2. Consider the following statements regarding human amoebic diseases:

    1. Amoebic ulcers develop most commonly in sigmoid colon.

    2. In the base of amoebic ulcer, a large number of cystic forms of E. Histolytica are present.

    3. Development of extra-intestinal secondary lesions in amoebiasis in the form of amoebic abscess is common in the liver.

    Of these statements

    1. 1 and 2 are correct

    2. 2 and 3 are correct

    3. 1 and 3 are correct

    4. 1, 2 and 3 are correct

  3. Consider the following statements regarding the life cycle of malaria:

    1. In mosquito the sporogony cycle takes 4 to 11 days to develop sporozoites infective in man.

    2. Pre-erythrocytic schizogony in the liver cells of man takes 6 to 9 days to produce merozoites to begin the erythrocytic cycle.

    3. In the case of P. Falciparum, it takes 7 to 12 hours for gametocytes to appear in blood.

    4. Life span of an adult Anopheline mosquito is about 20 days.

    Of these statements

    1. 1, 2 and 3 are correct

    2. 1, 2 and 4 are correct

    3. 1, 3 and 4 are correct

    4. 1, 3 and 4 are correct

  4. Consider the following statements about Ascaria:

    1. It is an intestinal nematode with posterior end curved in the male

    2. The fertilized ova passed in the faces are infective.

    3. Its ova are bile stained and covered by mammilated albuminous envelope.

    4. Gastricjuice cannot harm the embryo of the intact egges after being swallowed.

    Of these statements:

    1. 1, 2 and 3 are correct

    2. 2, 3 and 4 are correct

    3. 1, 3 and 4 are correct

    4. 1, 2 and 4 are correct

  5. Which one of the following statements regarding healing of fractures is incorrect?

    1. Upper limb fractures take twice as long to unite when compared to lower limb fractures

    2. Fractures in adults take twice as long to unite when compared to fractures in children

    3. Transverse fractures take longer to unite than oblique or spiral fractures

    4. No fracture unites in less than three weeks

  6. Consider the following conditions:

    1. Pernicious anaemia

    2. Chronic atrophic gastritis

    3. Hypertrophic gastrophathy

    Precursors of gastric cancer would include

    1. 1, 2 and 3

    2. 1 and 2

    3. 1 and 3

    4. 2 and 3

  7. Which of the following signs are present in an advanced case of carcinoma of stomach?

    1. Trousseau's sign

    2. Troisier's sign

    3. Deposits in the pouch of Douglas

    4. Murphy's sign

    Select the correct answer:

    1. 1 and 4

    2. 1 and 2

    3. 1, 2 and 3

    4. 2, 3 and 4

  8. Avascular necrosis in fracture femur is common in

    1. inter-trochanteric fracture

    2. sub-capital fracture

    3. trochanteric fracture

    4. sub-trochanteric fracture

  9. Consider the following types of hepatitis viruses:

    1. Hepatitis B virus

    2. Hepatitis A virus

    3. Non-A and non-B hepatitis virus

    Blood tranfusion transmits hepatitis caused by

    1. 1, 2 and 3

    2. 1 and 2

    3. 2 and 3

    4. 1 and 3

  10. Consider the following statements: Dissesminated intravascular coagulopathy results in bleeding and is treated by

    1. replacement of coagulation factors.

    2. platelet concentrates.

    3. heparin.

    Of these statements

    1. 1, 2 and 3 are correct

    2. 1 and 2 are correct

    3. 1 and 3 are correct

    4. 2 and 3 are correct

  11. Consider the following sites of obstruction:

    1. Foramina of Munro

    2. Outside the ventricular system

    3. At the exit of the fourth system

    Hydrocephalus is described as noncommunicating when the obstruction is at

    1. 1, 2 and 3

    2. 1 and 2

    3. 2 and 3

    4. 1 and 3

  12. Buerger's disease involves

    1. medium and small size arteries and superficial veins

    2. medium size arteries and superficial veins

    3. superficial veins and small size arteries

    4. medium size and small size arteries

  13. Which one of the following pairs regarding staging of bronchogenic carcinoma is not correctly matched?

      • Occult carcinoma
      • TX
      • NO, MO
      • Stage I
      • T2, NO, MO
      • Stage II
      • T3, N1, MO
      • Stage III
      • T2, N1, M1

  14. Match List I with List II and select the correct answer:

    List-I (Methods of treatment of carcinoma rectum) List-II (Indications)

    1. Anterior resection

    2. Hartmaris procedure

    3. Abdomino perineal resection

    4. Palliative colostomy

    1. Carcinoma rectum causing intestinal obstruction

    2. Carcinoma of upper 2/3rd rectum

    3. Carcinoma of lower 1/3rd rectum

    4. Carcinoma rectum in an aged patient

    • A
    • B
    • C
    • D
      • 3
      • 1
      • 2
      • 4
      • 2
      • 4
      • 3
      • 1
      • 2
      • 1
      • 3
      • 4
      • 3
      • 4
      • 2
      • 1

  15. Match List I with List n and select the correct answer:

    List-I (Clinical condition) List-II (Gross characteristics)

    1. Juvenile polyp

    2. Metastatic polyp

    3. Vilous adenoma

    4. Familial adenomatous polyposis

    1. Multiple, varying sizes and pubertal age

    2. Large frond-like and solitary

    3. Oedematous bosselated mucous membrane pedunculated

    4. Solitary, red and found in children

    5. Small pinkish, multiple and sessile

    • A
    • B
    • C
    • D
      • 4
      • 5
      • 2
      • 1
      • 4
      • 5
      • 1
      • 2
      • 1
      • 4
      • 3
      • 2
      • 1
      • 2
      • 4
      • 5

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