Competitive Exams: Medical Science MCQs (Practice-Test 91 of 135)

  1. Which of the following stimulate/stimulates the early growth of the primary follicle up to the antral stage?

    1. Follicle stimulating hormone (FSH)

    2. Luteinizing hormone (LH)

    3. Both FSH and estrogen

    4. Both LH and estrogen

  2. Consider the following stages in the context of the development of lung?

    1. Pseudoglandular

    2. Canalicular

    3. Saccular

    4. Alveolar

    What is the correct sequence of the successive stages of the above in he development of lung?

    1. 1 − 2 − 3 − 4

    2. 2 − 3 − 4 − 1

    3. 3 − 4 − 1 − 2

    4. 4 − 1 − 2 − 3

  3. Notochord is represented in the adult human vertebral column as

    1. Vertebral bodies

    2. Annulus fibrosus of intervertebral discs

    3. Anterior longitudinal ligament

    4. Nucleus pulposus of intervertebral discs

  4. Thyroid follicles may be lined by the following except

    1. Squamous cells

    2. Low cuboidal cells

    3. Columnar cells

    4. pseudostratified cells

  5. Which of the following paired muscles form the aponeurosis of the soft palate?

    1. Tensor veli palatine

    2. Levator veli palatine

    3. Palatopharyngeus

    4. Salpingopharyngeus

  6. Discriminative vision is a function of

    1. Rods

    2. Optic disc

    3. Cones

    4. Macula lutea

  7. Which one of the following levels of prevention can be applied during prepathogenesis?

    1. Disability limitation

    2. Health promotion and specific protection

    3. Rehabilitation

    4. Early diagnosis and treatment

  8. Among the following, the milk of which one contains highest amount of calcium (mg per 100 g of milk)?

    1. Buffalos milk

    2. Cows milk

    3. Goats milk

    4. Mothers breastfeed (Human)

  9. Which one of the following statements is not correct regarding Depot Medroxy Progesterone Acetate (DMPA)?

    1. It suppresses ovulation

    2. It is given as an intramuscular injection of 150 mg every three months

    3. It suppresses lactation

    4. It shows high degree of efficiency as a contraceptive

  10. Consider the following statements: Under RNTCP, category II includes

    1. sputum smear positive who relapse

    2. sputum smear positive who fail to respond

    3. sputum smear positive who default

    Which of the statements given above are correct?

    1. 1, 2 and 3

    2. 1 and 2 only

    3. 1 and 3 only

    4. 2 and 3 only

  11. The vector of Bancroftian filariasis normally breeds in

    1. polluted water

    2. slow-moving streams

    3. overhead tanks

    4. water-holding containers

    • Assertion (A): In transverse section, microscopically the bronchus presents a completely circular lumen and not flattened on one side as in trachea.
    • Reason (R): The musculature of a bronchus is arranged in two spirals oriented circularly.
    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): Mayers waves are slow regular oscillations in arterial pressure and occur 2 − 3/min during hypertension.
    • Reason (R): Hypoxic stimulus causing chemoreceptor discharge may contribute to the production of Mayers waves.
    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): Austin flint murmur is a mid-diastolic murmur.
    • Reason (R): Mid-diastolic murmur is due to mitral stenosis.
    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): X-ray crystallography of amyloid fibrils shows a characteristic cross βpleated sheet configuration.
    • Reason (R): Binding of P substance to the amyloid fibrils gives a characteristic appearance.
    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