Competitive Exams: Medical Science MCQs (Practice-Test 65 of 135)

  1. Match List I with List II and select the correct answer:

    List-I (Brain lobe) List-II (Gyrus)
    1. Frontal lobe

    2. Parietal lobe

    3. Temporal lobe

    4. Occipital lobe

    1. Pecentral gyrus

    2. Postcentral gyrus

    3. Transverse temporal

    4. Cuneus

    5. Cingulate gyrus

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 3
      • 4
      • 2
      • 1
      • 5
      • 3
      • 1
      • 2
      • 5
      • 3
      • 2
      • 1
      • 3
      • 4
  2. Which one of the following does NOT increase the venous return to the heart?

    1. Sympathetic stimulation

    2. Negative intra-thoracic pressure

    3. Parasympathetic stimulation

    4. Skeletal muscle pumping

  3. Which one of the following hormones exerts little or no control over the endomdetrium of the uterus in its Proliferative phase, but during its secretory phase is directly responsible for the changes that occur?

    1. Estrogen

    2. Follicle stimulation hormone

    3. Luteinizing hormone

    4. Progesteron

  4. Consider the following information about the on-going very rapid movement from the peripheral parts of the body:

    1. Rate of movement

    2. position of different body parts

    3. Direction of movement of body parts

    4. Rapidity of the movement

    Which of these parameters are considered by vestibule cerebellum to calculate the next sequence of movements?

    1. 1, 2, 3 and 4

    2. 1, 2 and 3

    3. 1 and 2

    4. 3 and 4

  5. The lateral Semicircular canal in the Vestibular Apparatus becomes horizontal with respect to the surface of earth, when the head is bent forwards by an angle of

    1. 15 o

    2. 30 o

    3. 45 o

    4. 60o

  6. The left ventricular muscle does more work than the right ventricular because the left ventricular

    1. Systolic pressure is greater

    2. Stroke volume is greater

    3. End diastolic volume is greater

    4. Venous return is lesser

  7. Match List I with List II and select the correct answer:

    List-I (Laboratory test) List-II (Indication of)
    1. Galactose tolerance test

    2. Serum bilirubin level

    3. Prothrombin time

    4. Serum GGT level

    1. Obstructive liver disease (Cholestasis)

    2. synthetic function of liver

    3. Metabolic capacity of liver

    4. Paracrine function of liver

    5. Excretory function of liver

    • A
    • B
    • C
    • D
      • 3
      • 5
      • 4
      • 1
      • 5
      • 1
      • 2
      • 4
      • 5
      • 1
      • 3
      • 4
      • 3
      • 5
      • 2
      • 1
  8. Consider the following parameters of movements:

    1. Sequence of motor patterns

    2. Change in the timing of sequences

    3. scaling of intensity

    4. Saccadic eye movement

    Which of these are controlled by basal ganglia?

    1. 1, 2, 3 and 4

    2. 1, 2 and 3

    3. 2, 3 and 4

    4. 1 and 4

  9. Which one of the following statements expresses the fundamental characteristic of (2.3) DPG (2, 3 di-phosphoglycerate)?

    1. 2, 3 DPG levels are reduced in anaemia

    2. Its combination with reduced haemoglobin increases the affinity of haemoglobin for oxygen

    3. A lack of 2, 3 DPG as in stored blood reduces the affinity of haemoglobin for oxygen

    4. The 2, 3 DPG is a metabolic product of glucose breakdown in the R. B. C.

  10. The fats enter the lymphatic circulation of small intestine as

    1. free fatty acids

    2. monoglycerides

    3. diglycerides

    4. chylomicrons

  11. Na + K + ATPase content in nephrons is highest in epithelial cells of

    1. Proximal convoluted tubule

    2. Descending limb of loop of Henle

    3. Thick ascending limb of loop of Henle

    4. Collecting ducts

  12. Drug, amorbarbital acts on

    1. Citric acid cycle

    2. Oxidative phosphorylation

    3. Glycolysis

    4. Mitochondrial cell wall

  13. Type I glomus cells of carotid body have K + channels whose conductance is reduced in proportion to the reduction in

    1. 2 Po

    2. 2 Pco

    3. H +

    4. Temperature

  14. The globin chain in haemoglobin that persists from the gestation period to adhulhood, without decline in is proportion is

    1. ? -chain

    2. a-chain

    3. d-chain

    4. β-chain

  15. Occlusion of both carotid arteries between the heart and carotid sinuses would be expected to produce

    1. Increased arterial pressure

    2. Decreased heart rate

    3. Decreased activity of vasomotor centre

    4. Decreased venous tone