NEET PG: Medical Science MCQs (Practice-Test 133 of 135)

NEET PG NEET PG MCQs
#1

Assertion (A): Pacemaker cells of the heart are spontaneously rhythmic.

  • Reason ®: Pacemaker cells undergo a slow diastolic depolarization that enables them to discharge spontaneously and rhythmically.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Sperms are nourished by cells of sertoli.
    • Reason ®: Sertoli cells are present in the interstitium of tests.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): There is no correlation between the frequency of intestinal tuberculosis and the severity of pulmonary tuberculosis.
    • Reason ®: Most cases of intestinal tuberculosis are caused either by ingestion of bacteria in food or by swallowing infectious sputum.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): The earliest immunoglobulin to be synthesized was immunoglobulin G (IgG).
    • Reason ®: IgG is a monomer by structure.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Ventricular remodeling following full thickness myocardial infarction prevents heart failure.
    • Reason ®: Ventricular remodeling is common after myocardial infarction.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Increase in bone density is seen radiologically in avascular necrosis of bone.
    • Reason ®: There is new bone formation on the surface of original dead bone trabeculae.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Relief from pain occurs following lumbar sympathectomy in Buergers disease.
    • Reason ®: Lumbar sympathectomy increases the cutaneous circulation in ischaemic limb.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Japanese encephalitis is an arbo-viral disease.
    • Reason ®: Pig is the amplifier host.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

    • Assertion (A): Anthracosis is caused due to inhalation of coal dust among coal miners.
    • Reason ®: Lung cancer is common among coal miners.

    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 the correct explanation of A

    3. A is true but R is false

    4. A is false but R is true

  • Which one of the following pairs is not correctly matched?

      • Right atrium
      • Fossa ovalis
      • Right ventricle
      • Septomarginal trabecula
      • Left ventricle
      • Sulcus terminalis
      • Left atrium
      • Pulmonary veins

  • Consider the following statements: Bronchopulmonary anastomosis occurs

    1. within the lung

    2. in the visceral pleura

    3. outside the lung

    Select the correct answer using the codes given below:

    1. 2 and 3

    2. 1 and 2

    3. 3 alone

    4. 1 alone

  • The normal size of spleen is

    1. 7.5 cm x 5 cm x 2.5 cm

    2. 6 cm x 4 cm x 2 cm

    3. 9 cm x 5 cm x 3 cm

    4. 10 cm x 6 cm x 4cm

  • The following structures surround the kidneys:

    1. Perirenal fat

    2. Renal fascia

    3. Pararenal fat

    4. Fibrous capsule

    The correct sequence of these structures from without to inwards is

    1. 2, 3, 4, 1

    2. 2, 4, 2, 4

    3. 3, 2, 1, 4

    4. 3, 2, 4, 1

  • Immediately inferior to the transverse cervical (Mackenrodts) ligament of the uterus, one would find the

    1. Ovarian neuro-vascular bundle

    2. Round ligament of the uterus

    3. ureter

    4. Uterine artery and vein

  • the ovarian fossa is bounded anteriorly by

    1. ureter

    2. internal iliac artery

    3. obturator nerve

    4. obliterated umbilical artery