Download NTRUHS 1st Year MBBS 2024 March Biochemistry Paper I Theory Question Paper

Download NTRUHS (Dr.NTR University of Health Sciences) MBBS (Bachelor of Medicine, Bachelor of Surgery) First Year (1st Year) 2024 March Biochemistry Paper I Theory Previous Year Question Paper || For More Question Papers, Notes and Important Questions Download MBBS Question Bank APP

Q.P. CODE:M102A030
Dr YSR UNIVERSITY OF HEALTH SCIENCES: VIJAYAWADA- 520008
MBBS DEGREE EXAMINATION - MARCH, 2024
FIRST M.B.B.S. EXAMINATION
BIOCHEMISTRY - PAPER-I
(Theory Questions)
Time: 2 Hour 40 Minutes Max Marks: 80
Note: Answer all questions.
Draw diagrammatic representation wherever necessary
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SECTION-II (THEORY QUESTIONS - 80 MARKS)
STRUCTURED ESSAY QUESTIONS: 2 X15 = 30
1. A 40-year-old man is brought to the hospital in a comatose state. On
examination, he was found to be dehydrated and toxic with a characteristic
breathing pattern with sweet smell. He was admitted and investigated.
Following are his lab investigations:
RBS :380 mg/dl
S. HCO: 15 mEq/L
S. Ketones: 80mg/dl
pH: 7.25
Urinary Benedicts test: ++++
Urinary Rothera's test: Positive
Answer the following:
a) What is your diagnosis?
b) What are the favourable points for your diagnosis?
c) Explain the metabolism of Ketone Bodies?

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d) Write about the hormonal regulation of blood glucose.
e) What are the differences between types of Diabetes Mellitus?
2. Define the lipoproteins and classify them. Explain the LDL metabolism. Write
about Atherosclerosis.
SHORT ANSWER QUESTIONS: 10x5=50
3. Describe the types of PEM (Protein Energy Malnutrition).
4. Define BMR. What is its normal value? What are the factors affecting BMR?
5. HMP shunt and its significance.
6. What are isoenzymes? Write about cardiac isoenzymes.
7. Enumerate the types of Heteropolysaccharides and write their biochemical
significance.
8. What are antioxidants? Give two examples of:
Antioxidant enzymes
Antioxidant vitamins
Antioxidant minerals
9. Write in detail about ETC. Add a note on its inhibition and uncouplers of
oxidative phosphorylation.
10. What are the factors affecting enzyme activity? Add a note on competitive
inhibition.
11. What is clearance? What are the different types of clearance tests you
know and their significance?
12. Describe the steps of heme synthesis. Add a note on AIP (Acute
Intermittent Porphyria).
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