Competitive Exams: Medical Science MCQs (Practice-Test 98 of 135)

  1. Consider the following statements regarding bowel preparation for patients undergoing colonic surgery:

    1. It is not necessary in the case of patients undergoing right hemicolectomy

    2. Mechanical cleansing of the bowel is not important after the advent of the new generation of broad spectrum antibiotics

    3. Rapid bowel preparation may be done using polyethylene glycol electrolyte solution.

    4. On table wash out of the colon is recommended in emergencies after the abdomen has been opened.

    Of these statements

    1. 1, 2, 3 and 4 are correct

    2. 2 and 3 are correct

    3. 1 and 4 are correct

    4. 1, 3 and 4 are correct

  2. A 42-year old woman presents with metastatic breast 9 cancer in the vertebra, ileum and ribs five years after she had undergone radical mastectomy. The most appropriate initial treatment for her would be

    1. Administration of oestrogens

    2. Administration of androgens

    3. Oophorectomy and androgens

    4. Adrenalectomy

  3. A 50-year old female presents with a fungating carcinoma of the breast 8 cm in diameter. Mobile 1 cm diameter nodes are palpable in the ipsilateral axilla. Chest Xray and bone scan are normal. The treatment of choice for her would be

    1. Simple mastectomy with axillary clearance and post operative chemotherapy

    2. Simple mastectomy with axil1ar node sampling and post-operative radiotherapy; chemotherapy if nodes are positive

    3. Radiotherapy to breast and excision of axillary nodes

    4. Radical mastectomy and chemotherapy

  4. The most common cause of neonatal intestinal obstruction is

    1. Meconium ileus

    2. Congenital bands

    3. Mairotation

    4. Ileal atresia

  5. Which one of the following is the most important diagnostic physical sign of pneumothorax?

    1. Resonant note on percussion with absent or decreased breath sounds

    2. Decreased vocal framitus

    3. Making of heart sounds

    4. Decreased respiratory movement of chest on effected side.

    • Assertion (A): Spinal cord injuries following dislocation of cervical spin arc often partial or absent.
    • Reason (R): The size of the neural canal in the cervical region is large in relation to the cord.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Braium should never be administered orally to a patient with suspected colonic obstruction.
    • Reason (R): Barium sulphate gets inspissated in the large bond and aggravates the obstruction.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): The distal fragment of bone in supracondylar fractures of the femur is the flexed.
    • Reason (R): The attachment of the gastrocnemius muscle is responsible for the flexing.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): The stomach is supplied by the branches of the coeliac trunk,
    • Reason (R): The coeliac trunk is the first unpaired branch of the abdominal arota.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Cilia are present even after goblet cells and glands disappear from the walls of the bronchioles.
    • Reason (R): Such an arrangement of the cilia in relation to the muscus producing elements prevents accumulations of muscus in the bronchioles
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): In the proximal convoluted tubule, the pH of the tubular fluid fails only slightly.
    • Reason (R): Little H + secretion occurs in the proximal convoluted tubule.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Cerebellum coordinates the activity of ipsilateral limb muscles.
    • Reason (R): Cerebellum has direct efferent connections with the motor neurons of ipsilateral limb muscles.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Disease of basal ganglia increases muscle tone.
    • Reason (R): Basal ganglia inhibit facilitatory reticular formation.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Protein-energy malnutrition is more common among children (0 to 6 years) than among adults.
    • Reason (R): Children require proportionately more protein per kg body weight.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Growth rate of population in India is quite high.
    • Reason (R): Rapid advances in health care systems have been effective in reducing the Crude Death Rate in India.
    1. Both A and R are true and R is the correct explanation of A

    2. Both A and R are true but R is not a correct explanation of A

    3. A is true but R is false

    4. A is false but R is true