TNMGRMU BDS Equestions General Human Physiology & Biochemistry

Name of the University : The Tamilnadu Dr. M.G.R. Medical University
Degree : BACHELOR OF DENTAL SURGERY (B.D.S)
Subject Code/Name : 4169/General Human Physiology And Biochemistry
Year : I
Paper : II
Document Type : Equestions/ E-Questions
Website : web.tnmgrmu.ac.in

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TNMGRMU General Human Physiology Equestions

FIRST B.D.S DEGREE EXAMINATION
(Regulations for the candidates admitted from 2008-09 onwards)
Paper II : GENERAL HUMAN PHYSIOLOGY AND BIOCHEMISTRY

Related / Similar Question Bank :
TNMGRMU BDS Human Anatomy & Embryology Question Bank

Q.P. Code: 544169
Time: Three hours
Maximum: 70 Marks

August 2009

Answer Section A & B in SEPARATE Answer Books. :
ANSWER ALL QUESTIONS :
SECTION A :
(HUMAN PHYSIOLOGY)
I. Essay: 1 x 15 = 15 Marks
1. Describe the structure of neuromuscular junction with the help of a diagram and explain the mechanism of transmission of nerve impulse across it.
II. Write Short Notes On: 3X 5 = 15 Marks
1. Functions of plasma proteins.
2. Milk ejection reflex.
3. Surfactant.
III. Short Answers questions: 3X 2 = 6 Marks
1. Two functions of kidney.
2. Two functions of synapse.
3. Two functions of gall bladder.
SECTION B :
(BIOCHEMISTRY)
I. Essay: 1 x 15 = 15 Marks
1. Describe the biochemical functions, dietry requirement, sources and metabolism of calcium.
II. Write Short Notes On: 3X 5 = 15 Marks
1. Glycogen storage diseases.
2. Specialised products from tyrosine.
3. Ketogenesis.
III. Short Answers questions: 2X 2 = 4 Marks
1. Lipotropic factors.
2. Scurvy.

August 2010

SECTION A :
(HUMAN PHYSIOLOGY)
I. Essay: 1 x 15 = 15 Marks
1. How are Leucocytes classified? Describe the morphology properties and functions of each type of Leucocyte.
II. Write Short Notes on: 2x 5 = 10 Marks
1. Functions of Thalamus.
2. Electrocardiogram.
III. Short Answers questions: 5 x 2 = 10 Marks
1. Why the lactating female does not menstruate?
2. Name the major anions and cations in intracellular and extracellular fluids.
3. Artificial Respiration.
4. Juxtaglomerular Apparatus.
5. Compare and contrast first and second heart sounds.
SECTION B :
(BIOCHEMISTRY)
I. Essay: 1 x 15 = 15 Marks
1. How is ammonia formed? Describe the reactions in the synthesis of urea.
II. Write Short Notes on: 2 x 5 = 10 Marks
1. Classification of Enzymes.
2. Ascorbic acid.
III. Short Answers questions: 5 x 2 = 10 Marks
1. Flurosis.
2. Essential Fatty acids.
3. Substrate level phosphorylation.
4. Gout – Etiology and give two clinical features.
5. Plasma Calcium level.

February 2011

SECTION A :
(HUMAN PHYSIOLOGY)
I. Essay: (1 x 15 = 15)
1. What is anemia? Classify the types of anemia on morphological and etiological basis. Add a note on red blood cell indices.
II. Write short notes on: (2 x 5 = 10)
1. Neural and chemical regulation of respiration.
2. Define cardiac output and factors regulating it.
III. Short Answers questions: (5 x 2 = 10)
1. Functions of liver.
2. Innervation of urinary bladder.
3. Define arterial blood pressure.
4. Structure of skeletal muscle.
5. Receptors of vision.
SECTION B :
(BIOCHEMISTRY)
I. Essay: (1 x 15 = 15)
1. Describe the regulations of Blood glucose level. Add a note on diabetes mellitus and its biochemical investigations.
II. Write short notes on: (2 x 5 = 10)
1. Coenzymic forms, functions and deficiency manifestations of Vitamin B12.
2. Ketogenesis.
III. Short Answers questions: (5 x 2 = 10)
1. Gene mutation.
2. Allosteric Inhibition.
3. Name the aromatic amino acids.
4. Heparin.
5. Second messengers.

August 2011

SECTION – A :
(HUMAN PHYSIOLOGY)
I. Essay Questions: (1 x 20 = 20)
1. Name the Respiratory centres. Explain the Neural and Chemical regulation of Respiration.
II. Write Short notes on : (5 x 6 = 30)
1. Functions of Blood.
2. Cardiac Output.
3. Cretinism.
4. Functions of Placenta.
5. Functions of Kidney.
SECTION – B :
(BIOCHEMISTRY)
I. Essay Questions: (1 x 20 = 20)
1. Describe in detail the chemistry, sources, RDA, metabolic role & deficiency manifestations of folic acid in the human body.
II. Write Short notes on : (5 x 6 = 30)
1. Biochemical Role of Vitamin K & its deficiency manifestations.
2. Glucose tolerance test.
3. Pathway of Gluconeogenesis from amino acids.
4. Dietary fibres and their role in human nutrition.
5. Classify Mutations with examples.

February 2012

I. Elaborate on : (1 x 10 = 10)
1. Describe the intrinsic mechanism of coagulation.
II. Write notes on : (5 x 5 = 25)
1. Helper T cells.
2. Conducting system of heart.
3. Proteolytic enzymes of pancreatic juice.
4. Actions of thyroid hormones.
5. Refractive errors of eye.

Section –B (Biochemistry) :
I. Elaborate on : (1 x 10 = 10)
1. Define and classify enzymes. List out and explain the factors influencing enzyme activity. Add notes on enzymes of clinical interest.
II. Write notes on: (5 x 5 = 25)
1. Deficiency manifestations of calcium, phosphorus and fluorine
2. Deficiency manifestations and hypervitaminosis of vitamin A
3. Tricarboxylicacid cycle
4. a. Normal values of Lipid profiles
b. Plasma lipoproteins
5. Classify proteins based on composition and solubility, function, shape and based on nutritional value.

August 2012

I. Elaborate on : Pages Time Marks
1. Define Erythropoiesis. Discuss in detail the factors affecting erythropoiesis. Add a note on anaemia.
II. Write Notes on :
1. Juxta – glomerular apparatus (JGA).
2. Hormones and their actions of posterior pituitary.
3. Functions of bile.
4. Structure of platelets.
5. Oxygen – hemoglobin dissociation curve.
6. Active transport across the cell membrane.

Section –B (Biochemistry) :
I. Elaborate on :
1. What are water soluble vitamins? Discuss the Chemistry, Sources, requirements functions and deficiency manifestations of Vitamin C.
II. Write Notes on :
1. Essential fatty acids.
2.GTT.
3. Maintenance of plasma calcium.
4. Liver function test.
5. Gout.
6. Urea Cycle.