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Download NTRUHS 1st Year MBBS 2022 May Physiology Paper II Question Paper

Download NTRUHS (Dr.NTR University of Health Sciences) MBBS (Bachelor of Medicine, Bachelor of Surgery) First Year (1st Year) 2022 May Physiology Paper II Previous Year Question Paper || For More Question Papers, Notes and Important Questions Download MBBS Question Bank APP

This post was last modified on 04 April 2025

DR.NTR UNIVERSITY OF HEALTH SCIENCES: AP: VIJAYAWADA-520 008

MBBS DEGREE EXAMINATION – MAY, 2022

FIRST M.B.B.S. EXAMINATION

PHYSIOLOGY – PAPER-II (SET-C)

(Multiple Choice Questions)

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Time: 20 Minutes

Max Marks: 20

Note: Answer all questions

SECTION – I (MCQs- 20 MARKS) 1x20=20

  1. All of the following are true for denervation hypersensitivity EXCEPT
    1. Plasma Noradrenaline level decreases in noradrenergic neuron denervation
    2. --- Content provided by FirstRanker.com ---

    3. Plasma Ach level decreases in cholinergi neuron denervation
    4. Seen in smooth muscles
    5. The Ach receptors appear all over sarcolemma
  2. The density of Na+ channels is maximum at
    1. Soma
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    3. Nodes of Ranvier
    4. Dendrite
    5. Surface of myelin
  3. The length of muscle at which it develops maximal isometric active tension is called
    1. Maximum length
    2. --- Content provided by FirstRanker.com ---

    3. Active length
    4. Initial length
    5. Resting length
  4. Action potential
    1. Requires subthreshold stimulus
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    3. Does not show All or none phenomenon
    4. Does not show decremental response
    5. Can be summated
  5. Ovulation in a woman with normal health and cycle, occurs at
    1. Just after corpus luteal maturation
    2. --- Content provided by FirstRanker.com ---

    3. During progesterone rise
    4. 14 days prior to start of menstrual bleeding
    5. Just before LH surge
  6. Most distinguishing feature between skeletal muscle and smooth muscle is
    1. Tropomyosin
    2. --- Content provided by FirstRanker.com ---

    3. Myosin
    4. Actin
    5. Troponin
  7. Which of the following is not true about cardiovascular maternal changes in pregnancy
    1. Systolic pressure increases
    2. --- Content provided by FirstRanker.com ---

    3. Heart rate increases
    4. Stroke volume increases
  8. Which of the following is not true about testes
    1. Present in scrotal sac to have temperature less than body temperature
    2. Contraction of dartos muscle elevates testes
    3. --- Content provided by FirstRanker.com ---

    4. Pampiniform plexus of blood vessels have counter current system to maintain temperature of testis
  9. Which cell in CNS lay myelin sheath
    1. Stellate cells
    2. Astrocytes
    3. Basket cells
    4. --- Content provided by FirstRanker.com ---

  10. Which of the following is the main hormone for milk synthesis and secretion
    1. Progesterone
    2. Estrogen
    3. Oxytocin
  11. --- Content provided by FirstRanker.com ---

  12. The dorsal root of spinal cord is sensory and ventral root is motor. This is called:
    1. Rexed laminar principle
    2. Weber-Fechner law
    3. Muller's doctrine of nerve energy
  13. Which is the best female contraceptive method after child birth, but desirous of further deliveries
    1. Tubectomy
    2. --- Content provided by FirstRanker.com ---

    3. Diaphragms
    4. Intrauterine Device
    5. Oral Contraceptive Pills
  14. Which of the following is the major neurotransmitter in the nigrostriatal pathway
    1. Noradrenaline
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    3. Acetylcholine
    4. Serotonin
    5. Dopamine
  15. Which of the following is the specific nucleus of thalamus
    1. Ventral posterolateral
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    3. Midline
    4. Intralaminar
    5. Centro median
  16. Purkinje cells from the cerebellum end on
    1. Cerebral cortex
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    3. Extrapyramidal system
    4. Cranial nerve nuclei
    5. Deep cerebellar nuclei
  17. Which of the following is not true about stretch reflex
    1. Also called myotatic reflex
    2. --- Content provided by FirstRanker.com ---

    3. Afferent is Ib fiber
    4. Monosynaptic reflex
    5. A branch of afferent terminates on inhibitory interneuron
  18. The nucleus involved in formation of Papez circuit is
    1. Pulvinar
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    3. Anterior nucleus of thalamus
    4. Intralaminar
    5. VPL nucleus
  19. Which of the following is not a component of vestibular apparatus
    1. Utricle
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    3. Saccule
    4. Cochlea
    5. Semicircular canal
  20. The processing of short term memory to long term memory is done (consolidation of long term memory occurs) in:
    1. Prefrontal cortex
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    3. Hippocampus
    4. Neocortex
    5. Amygdala
  21. All except one are under the control of hypothalamus
    1. Increase in heart rate during exercise
    2. --- Content provided by FirstRanker.com ---

    3. Food intake
    4. Pituitary hormone (hypophyseal) regulation
    5. Temperature regulation

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