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Download NTRUHS 1st Year MBBS 2023 April Physiology Paper II Question Paper

Download NTRUHS (Dr.NTR University of Health Sciences) MBBS (Bachelor of Medicine, Bachelor of Surgery) First Year (1st Year) 2023 April 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. YSR UNIVERSITY OF HEALTH SCIENCES: AP: VIJAYAWADA-520 008

MBBS DEGREE EXAMINATION – APRIL, 2023

FIRST M.B.B.S. EXAMINATION

PHYSIOLOGY – PAPER-II (SET-D)

(Multiple Choice Questions)

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Time: 20 Minutes

Note: Answer all questions

SECTION – I (MCQs- 20 MARKS)

1x20=20

  1. Multi unit smooth muscle is found in
    1. Heart
    2. --- Content provided by FirstRanker.com ---

    3. GI tract
    4. Large blood vessel
    5. Urinary bladder
  2. Addison's disease is due to
    1. Hyper-adrenalism
    2. --- Content provided by FirstRanker.com ---

    3. Hypo-adrenalism
    4. Increased secretion of melanin
    5. Increased Adrenal Androgens
  3. The transport of proteins and polypeptides synthesized in soma of nerve cell to the axonal ending is called as
    1. Retrograde transport
    2. --- Content provided by FirstRanker.com ---

    3. Axoplasmic flow
    4. Transcytosis
    5. Exocytosis
  4. Which of the following muscle cannot be tetanized
    1. Skeletal muscle
    2. --- Content provided by FirstRanker.com ---

    3. Smooth muscle
    4. Cardiac muscle
    5. All the above
  5. Which of the following hormones acts on its target tissues by a steroid hormone mechanism of action
    1. Thyroid hormone
    2. --- Content provided by FirstRanker.com ---

    3. Parathyroid hormone (PTH)
    4. Antidiuretic hormone (ADH) on the collecting duct
    5. Glucagon
  6. Inhibin inhibits
    1. FSH
    2. --- Content provided by FirstRanker.com ---

    3. TSH
    4. ACTH
    5. TRH
  7. Factors that stimulate growth hormone is
    1. Increased blood glucose
    2. --- Content provided by FirstRanker.com ---

    3. Exogenous growth hormone
    4. Somatomedin
    5. Testosterone
  8. The growth hormone receptor
    1. Must be internalized to exert its effect
    2. --- Content provided by FirstRanker.com ---

    3. Requires dimerization to exert its effect
    4. Resembles IGF-I receptor
    5. Resembles ACTH receptor
  9. Regression of tissues as in uterine regression after pregnancy is a function of
    1. Nucleus
    2. --- Content provided by FirstRanker.com ---

    3. Lysosomes
    4. Secretory vesicles
    5. Peroxisomes
  10. The intrafusal fibers of muscle spindle is supplied by
    1. Alpha motor neuron
    2. --- Content provided by FirstRanker.com ---

    3. Dorsal root Neuron
    4. Gamma motor neuron
    5. Renshaw cell
  11. Blood testis barrier is formed by
    1. Leydig cell
    2. --- Content provided by FirstRanker.com ---

    3. Sertoli cells
    4. Epididymis
    5. Vas deferens
  12. The property of specificity of nerve fibers for transmitting only one modality of sensation is called
    1. Law of projection
    2. --- Content provided by FirstRanker.com ---

    3. Spatial summation
    4. Labelled line principle
    5. Weber-Fechner law
  13. Sensation carried by the lateral spinothalamic tract is
    1. Crude touch and fine touch
    2. --- Content provided by FirstRanker.com ---

    3. Tactile localization and discrimination
    4. Vibration and proprioception
    5. Pain and temperature
  14. Vagal stimulation causes increase in
    1. Heart rate
    2. --- Content provided by FirstRanker.com ---

    3. R-R interval in ECG
    4. Cardiac output
    5. Force of contractions
  15. The increase in heart rate following an increase in atrial pressure is called as
    1. Bainbridge reflex
    2. --- Content provided by FirstRanker.com ---

    3. Volume reflex
    4. Cushing's Reflex
    5. Baroreceptor reflex
  16. The nucleus responsible for maintaining circadian rhythm is
    1. Subthalamic nucleus
    2. --- Content provided by FirstRanker.com ---

    3. Suprachiasmatic nucleus
    4. Raphe nucleus
    5. Lateral reticular nucleus
  17. Refractive index of cornea is
    1. 1.39
    2. --- Content provided by FirstRanker.com ---

    3. 1.33
    4. 1.42
    5. 1.37
  18. The Refractive error which occurs in elderly people is
    1. Myopia
    2. --- Content provided by FirstRanker.com ---

    3. Astigmatism
    4. Hypermetropia
    5. Presbyopia
  19. Parkinson's disease is characterized by the following triad
    1. Hypokinesia, rigidity, tremors
    2. --- Content provided by FirstRanker.com ---

    3. Rigidity, tremors, nystagmus
    4. Placidity, intentional tremors, ataxia
    5. Rigidity, hypokinesia, dysarthria
  20. Lesion in optic chiasma causes
    1. Binasal hemianopia
    2. --- Content provided by FirstRanker.com ---

    3. Bitemporal hemianopia
    4. Contralateral homonymous hemianopia
    5. Ipsilateral complete blindness

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