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[MBBS 0124] JANUARY 2024 Sub. Code : 6053
M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2019-2020)
FIRST YEAR ? SUPPLEMENTARY (CBME)
PAPER I ? PHYSIOLOGY
Q.P. Code: 526053
Time: 30 Minutes
Maximum : 20 Marks
Answer All Questions
Choose one correct answer in the box provided in the Answer Script.
No overwriting should be done. Choice should be given in Capital Letters.
III. Multiple Choice Questions:
(20 x 1 = 20)
1. Synthesis of lipid substances in the cell occurs at the
A) Granular endoplasmic reticulum
B) Agranular endoplasmic reticulum
C) Mitochondria
D) Peroxisome
2. Transport of lipid insoluble substances across the cell membrane through protein channels is
an example of
A) Simple diffusion
B) Facilitated diffusion
C) Primary active transport
D) Secondary active transport
3. Which one of the following measurement is a reasonable indicator of plasma osmolarity?
A) Plasma sodium concentration
B) Plasma potassium concentration
C) Plasma bicarbonate concentration
D) Plasma pH
4. Initiation of skeletal muscle contraction occurs when Calcium binds with
A) Troponin
B) Tropomyosin
C) Myosin
D) Actin
5. Platelets production is regulated by
A) Thrombopoietin
B) Erythropoietin
C) Thymosin
D) Interleukin
6. Haemophilia A is due to deficiency of factor
A) VII
B) VIII
C) IX
D) X
7. Bleeding time is prolonged in
A) Anemia
B) Neutropenia
C) Lymphopenia D)
Thrombocytopenia
8. In major cross matching before blood transfusion
A) Donor's cells are mixed with recepient's plasma
B) Donor's cells are mixed with recepient's cells
C) Donor's plasma is mixed with recepient's cells
D) Donor's plasma is mixed with recepient's plasma
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9. Hormone that causes secretion of pancreatic juice rich in bicarbonate ions is
A) Cholecystokinin
B) Motilin
C) Secretin
D) Serotonin
10. Which of the following is true regarding fructose absorption in the intestine?
A) Occurs by sodium cotransport mechanism
B) Transported by facilitated diffusion
C) Transported by SGLT1
D) Transported by GLUT3
11. Which of the following cell in the stomach secretes HCl?
A) Enterochromaffin like cells
B) Mucus cell
C) Parietal cell
D) Peptic cell
12. Cells responsible for acid secretion in kidney
A) Type A intercalated cells
B) Principal cells
C) Juxtaglomerular cells
D) Mesangial cells
13. Which of the following potassium sparing diuretic drug is an aldosterone antagonist?
A) Mannitol
B) Furosemide
C) Spiranolactone
D) Triamterene
14. Renin
converts
A) Angiotensinogen to Angiotensin I
B) Angiotensin I to Angiotensin II
C) Angiotensin II to Angiotensin III
D) Angiotensin III to Angiotensin IV
15. Which of the following is not a feature of diabetes insipidus?
A) Polyuria
B) Polydipsia
C) Polyphagia
D) Low specific gravity of urine
16. Inhibin
inhibits
A) Prolactin
B) Follicle stimulating hormone
C) Thyroid stimulating hormone
D) Growth hormone
17. All of the following are features of hypothyroidism except
A) Constipation
B) Fatigue
C) Weight gain
D) Decreased sleep
18. Sertoli cells are stimulated by
A) Testosterone
B) Luteinising hormone
C) Follicle stimulating hormone
D) Estrogen
19. The menstrual fluid is normally nonclotting because of the presence of
A) Heparin B) Prostaglandin E
C) Prostaglandin F
D) Fibrinolysin
20. Osteoporosis of bones in postmenopausal women is due to deficiency of
A) Progesterone
B) Estrogen
C) Follicle stimulating hormone
D) Luteinising hormone
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[MBBS 0124]
This post was last modified on 30 November 2024