Competitive Exams: Medical Science MCQs (Practice-Test 84 of 135)

    • Assertion (A): In liver disorder the coagulation time is increased.
    • Reason (R): The prothrombin synthesis is increased in liver disorders.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Ca2 + channel antagonists are used in the treatment of congestive heart failure.
    • Reason (R): Ca2 + channel antagonists diminish the strength of cardiac contraction.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Hepatitis-D virus infection can develop only when there is concomitant Hepatitis-B virus infection.
    • Reason (R): Hepatitis-D virus is a small, defective RNA virus that can replicated and cause infection only when encapsulated by HBs Ag.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Intrinsic laryngeal muscles are innervated by branches of the vagus nerve.
    • Reason (R): Musculature of larynx develops from the mesenchyme of fourth and sixth pharyngeal.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Avascular necrosis of head of femur occurs in intracapsular fracture of the neck of femur.
    • Reason (R): Blood supply of the head of femur is by arteries passing along the ligament of head of femur.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Haemetemesis in chronic duodenal ulcer usually occurs from a posterior ulcer.
    • Reason (R): Posterior ulcer erodes right gastric artery.
    1. Both A and R are individually true and R is the correct explanation of A

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

    3. A is true but R is false

    4. A is false but R is true

  1. When a completely unimmunized child appears of the first time for immunization at the age of nine months, what should be given?

    1. Measles vaccine and the first megadose of Vitamin A

    2. BCG, DPT and measles vaccines at the same time

    3. BCG, DPT, measles and Polio vaccines should be given at seven to ten days intervals

    4. BCG, DPT measles and Polio vaccines should be given at seven to ten days intervals

  2. Anaemia, which is severe and unyielding to the treatment may be a presenting feature of:

    1. Carcinoma of sigmoid colon

    2. Carcinoma of transverse colon

    3. Carcinoma of descending colon

    4. Carcinoma of ascending colon

  3. Which one of the following sclerosing agent sis usually used for endoscopic sclerotherapy of esophageal varices?

    1. 5% phenol in almond oil

    2. Hypertonic saline

    3. Bleomycin

    4. 5% ethanolamine oleate

  4. In benign enlargement of prostate, the most common lobe involved is:

    1. Posterior

    2. Lateral

    3. Median

    4. Anterior

  5. Consider the following:

    1. Incidence rate

    2. Attack rate

    3. Point prevalence

    4. Period prevalence

    Which of the above are used for measuring the rate of occurrence of disease (frequency)?

    1. 1 and 2

    2. 2 and 3

    3. 3 and 4

    4. 1 and 4

  6. Which one of the following is called benign pneumoconiosis?

    1. Asbestosis

    2. Silicosis

    3. Siderosis

    4. Coal workers pneumoconiosis

  7. Consider the following statements: The advantage of disinfection of water with ultraviolet irradiation are that it:

    1. is effective against common bacteria and virus.

    2. can disinfect water with turbidity.

    3. results in odourless water.

    Which of the statements given above is/are correct?

    1. 1 only

    2. 1 and 2

    3. 1 and 3

    4. 3 only

  8. In which one of the following infections, subclinical cases do not act as carriers?

    1. Diphtheria

    2. Tuberculosis

    3. Typhoid

    4. Hepatitis-B

  9. The level of free residual chlorine maintained continuously for swimming pool water is:

    1. 20 ppm

    2. 10 ppm

    3. 5 ppm

    4. 1 ppm