NEET PG: Medical Science MCQs (Practice-Test 41 of 135)

NEET PG
#1

Hydrophilic centre of the bile salt-lipid micelles contain

  1. bile salts, triglycerides and mucin

  2. lipase, co-lipase, and a amylase

  3. fatty acids, monoglycerides and cholesterol

  4. Na +, F + and CHO3

  • 72% of the fat is absorbed as

    1. a-monoglycerides

    2. β-Monoglycerides

    3. ? -monoglycerides

    4. Fatty acid and glycerol

  • Consider the following statement: The pre-ovulatory LH surge is due to

    1. Positive feedback effect of oestrogen on pituitary

    2. negative feedback effect of oestrogen

    3. increase in GnRH

    4. a small rise in progesterone level just prior to ovulation

    Which of the statemtns are correct?

    1. 1, 2 and 3

    2. 1 and 2

    3. 1 and 4

    4. 2, 3 and 4

  • What is the direction in which transcription of RNA occurs?

    1. 3 ‘-5’ end

    2. 5 ‘-3’ end

    3. 3 ‘-5’ end in the presence of excess ATP

    4. 5 ‘-3’ end in the presence of excess

    GTP

  • Which one of the following is the cause of hereditary nonpolyposis colon cancer?

    1. Mutation on chromosome 4

    2. Defective repair of DNA mismatch

    3. Base excision repair

    4. Nucleotide excision repair

  • Conversion pepsinogen to pepsin is a post translational modification by

    1. phosphorylation

    2. hydroxylation

    3. glycosylation

    4. proteolytic degradation

  • Inflammation is a dynamic pathological process consisting of a series of interdependent changes, a reaction, which destroys the injurious agent and limits the spread. The attempt is earnest, a salutary operation according to

    1. Celsus

    2. Menkin

    3. John Hunter

    4. Metcahnikoff

  • In leucocyte adhesion deficiency Type I, the defect is in the synthesis of

    1. a-interferons

    2. 2 β-integrins

    3. ? -interferons

    4. leucotrieneas

  • All the following are related to arachidonic acid metabolism Except:

    1. Prostacyclin

    2. Linoleic acid

    3. Thromboxane

    4. Cationic proteins

  • Classical demonstrable fibrinous inflammation is seen in which one of the following stages of lobar pneumonia?

    1. Hyperemia

    2. Red hepatization

    3. Grey hepatization

    4. Resolution

  • Consider the following statements: A characteristic neutrophilic abscess surrounded by macrophages is seen in

    1. tuberculosis

    2. cat scratch disease

    3. lymphogranuloma venereum

    Which of these statements are correct?

    1. 1, 2 and 3

    2. 1 and 2

    3. 2 and 3

    4. 1 and 3

  • Match List I (Carcinogens) List II (Malignant disorders) and select the correct answer:

    List-I List-II

    1. Azo dyes

    2. Nitrosamines

    3. Thorotrast

    4. Asbestos

    1. Gastric carcinoma

    2. Urinary bladder cancer

    3. Mestothelaiom

    4. Cholangio carcinoma

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

  • Consider the following cellular responses:

    1. Specifically sensitized cytotoxic Tlymphocytes

    2. Natural killer cells

    3. Humoral antibodies I the blood

    4. macrophage mediated cytotoxicity by antibody dependent cellular cytotoxicity

    Which of these cellular responses destroy the tumour cells and induce tumour immunity in humans?

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 3 and 4

    4. 1, 2 and 4

  • The karyotype in Burkitts lymphoma is

    1. T (3: 8)

    2. T (6: 14)

    3. T (11: 2)

    4. T (8: 14)

  • Consider the following systemic manifestations:

    1. Pancoast syndrome

    2. Clubbing of fingers

    3. Cushing syndrome

    4. Thyrotoxicosis

    Manifestations that are likely to be associated with bronchogenic carcinomas would include

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 1, 3 and 4

    4. 1, 2 and 4