Download KNRUHS MBBS 1st Year MB2019106 Physiology Paper II Nov 2023 Question Paper

KALOJI NARAYANA RAO UNIVERSITY OF
HEALTH SCIENCES
WARANGAL, TELANGANA STATE-506 002
MBBS FIRST YEAR EXAMINATIONS:
NOVEMBER, 2023

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PHYSIOLOGY (New Regulation)
PAPER - II
Time: 3 Hours
Max. Marks: 100
Note: Answer all questions

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Draw diagrams whenever necessary with Black Ball point
pen/HB pencil/any dark
Colour pencil
Multiple Choice Questions:
1. Contractile unit of muscle is the portion of myofibril

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between:
a) A and H band
e) Two adjacent Z lines
b) Z line and A band
d) A and I band

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2. An example for multi-unit (non syncytial) smooth
muscle is:
a) Stomach
Iris
b) Uterine myometrium

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d) Ureters
3. The inhibitory amino acid neurotransmitters in the
CNS are
a) Glutamate and glycine
c) GABA and glycine

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b) Glutamate and aspartate
d) Aspartate and glycine
4. Which of the following is the correct Brodmann's
number designation for the primary
motor cortex.

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a) 6
e) 4
b) 3
d) 1
5. The ability to detect two points simultaneously applied

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the skin is based on which of the
following physiologic mechanisms.
a) Presynaptic inhibition
) Medial inhibition
b) oral inhibition

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d) Feed-forward inhibition
6. A 45-year-old woman reported with diminished
hearing in the right ear for the last 2 years,
Rinne's test (without masking) is negative on the right ear

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and positive on the left side.

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With the Weber's test, the tone is perceived as louder in
the left ear. Which of the
following is most likely.
a) Conduction loss in the right ear
e) Sensorineural hearing loss in the

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left ear
b) Sensorineural hearing loss in the right ear
d) Conduction loss in the left ear
7. Pheochromocytomas predominantly secrete
a) Epinephrine

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Both epinephrine and
norepinephrine
b) Norepinephrine
d) Dopamine
8. Not a feature of Sertoli cell:

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a) Nourish sperms and control their
release
eSecrete testosterone
b) Provide blood testis barrier
d) Secrete inhibin

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9. A 30-year-old woman is breast feeding her infant
during suckling reflex, which of the
following hormonal responses is expected.
Increased secretion of antidiuretic

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a) hormone (ADH) from the

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supraoptic nuclei
Increased secretion of oxytocin
from the paraventricular nuclei
Increased secretion of ADH from the
b) paraventricular nuclei

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d) Decreased secretion of neurophysin
10. The HCG is first measured in the blood
a) 8 to 9 days after ovluation
c) At 10-12 weeks of pregnancy
b) 8 to 9 days alter fertilization of ovum

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d) At 8 weeks of pregnancy
Essay/ Long Answer Questions:
11. A 10-year-old male reported with history of excessive
thirst, frequent urination and weight
loss for the past six months and in the past two days he

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has nausea and vomited on several
occasions. He was brought with extreme nauseating
feeling to the casualty and his breath
emitted fruity odour. The lab investigation in casualty
revealed blood glucose level of 435

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mg/dl, pH of 7.23 (NR-7.35-7.45) and urine tested
positive for glucose and acetone

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bodies.
a. Identify the condition.
b. State the hormones regulating blood glucose.

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c. Describe the regulation of blood glucose.
d. Discuss in detail the Mechanism of action of insulin.
12. A person aged 60 years with drunken gait attended to
outpatient department. On
examination he had Slurred speech, dysmetria and

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intentional tremor.
a) Identify the condition.
b) Enumerate the other symptoms in the above disease
c) Describe about the functions of the part damaged in
the above condition.

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d) Discuss about Feed-Forward inhibition.
Short Answer Questions:
13. Discuss the functions of hypothalamus.
14. Discuss in detail about Motor End Plate.
15. Define Aphasia. And list out other types briefly.

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16. Write in detail the action of Oxytocin.
17. Impedance matching.
18. Define Sleep. Write in detail about types of Sleep and
waves in stages of Sleep.
19. Describe about molecular basis of Skeletal Muscle

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Contraction.
Very Short Answer Questions:

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20. Structure and function of cornea.
21. Describe Ovulation and add a note on safe period.
22. Enumerate the theories of ageing and measures to

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prevent ageing.
23. Describe Cryptorchidism and its effects.
24. Muscle proteins.
25. Describe the rights and responsibilities of Patients.
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