Physiology

100 important points of physiology
1. Potassium is mainly regulated by - Aldosterone.
2. Tip of scapula at level – T7.
3. Oblique fissure of the lung at level - T3 to T6 Costochondral.
4. Decussating of medial lemniscuses - Internal Arcuate Fibers.
5. Superficial temporal artery relation with which nerve - Auriculotemporal nerve.
6. Correct about Thyroid gland - lymph drainage to deep cervical lymph nodes.
7. Anemic hypoxia occur in – Methemoglobulenemia.
8. In cerebral circulation brain arteries - Do not anastomose once entered in the brain (controvertial).
9. Phase 1 of transformation of drug metabolism – Oxidation.
10. Standard deviation shows - Variability of individual observation.
11. Counseling in patients is - To help themselves.
12. A young girl who is going to die and asks you “Am I going to die?” Doctor response should be – “What your parents have told you?”
13. In whole wheat – Thiamine.
14. Cholesterol enriched diet – Egg.
15. Origin of peroxisomes – SER.
16. Organelle where protein combines with carbohydrates, packed and released - Golgi complex.
17. Correct about DNA – Euchromatin is transcriptionally active.
18. ADPKD associated with – Renal failure (vs) Cerebral haemorrhage (controversial) here most probable Renal failure.
19. Cause of delay in healing – Infections.
20. PaO2 decreased, PCO2 increased, hydrogen ion increased; manifestation (looked like kind of COPD) – Hypoventilation.
21. PCO2 31, HCO3 19, pH increased (Metabolic alkalosis scenario) - Hyperventilation
22. Person with tachycardia, and heat intolerance with low level of TSH, on giving TRH; level of TSH and thyroid hormones increases. Diagnosis – Hyperthyroidism with thyroid problem.
23. Origin of oxytocin and ADH – Hypothalamus.
24. Difference between systemic and pulmonary circulation - Low resistance in pulmonary circulation.
25. Mean systemic filling pressure is regulated by - Venous return.
26. Systolic pressure is directly related to which one of the following – Renin.
27. ADH responds to – Osmolarity.
28. Osmoreceptors – ADH.
29. Right border of heart on X-ray also visible a part of – SVC.
30. In MI sensitive cardio marker – Tropinin T.
31. Diabetic nephropathy investigation - Urine albumin.
32. Young boy with generalized edema and proteinuria - Lesion of basement membrane.
33. Lesion of parasympathetic system affects mostly - GI muscles.
34. Stress hormone of our body - ACTH.
35. S2 sound heard on - Closure of aortic and pulmonary valve.
36. A patient with history hemorrhage (trauma) receives a bag stored for 2 weeks mainly contains – RBCs.
37. Due to inspiration – Decreased negative intrapleural pressure.
38. Important buffer of blood - HCO3-.
39. Max increase in ECF due to infusion of - Hypertonic NaCl.
40. Auscultation of tricuspid valve best heard at – Right lower end of the body of sternum.
41. GVE vagus nerve for preganglionic fiber arises from – Dorsal nucleus.
42. Thorn prick in left lower limb caused abscess - Staph aureus.
43. Diabetic female after abdominal surgery; dyspnea and cough - Pulmonary embolism.
44. MCC of pulmonary embolism – DVT.
45. Typhoid fever 1st week test – Blood culture
46. Typhoid fever 2nd week test – Blood culture and Widal test.
47. Typical feature of falciparum - Black water fever.
48. Alcoholic patient with deranged LFTs; on biopsy – Mallory bodies.
49. Councilman bodies seen in – Apoptosis.
50. Natural self-defense against tumors – Apoptosis.
51. P53 gene absent results in - cell survival.
52. Pain mediator - Bradykinins.
53. Metaplasia – Functional change in cells.
54. Female with infection of HPV, comes after 2 years, Pap smear shows prominent nucleoli and increased nucleus size – Dysplasia.
55. Gas exchange occur - Simple squamous epithelial layer.
56. Patient with granulomatous disease, biopsy done. Microscopic finding that suggests TB – Epitheloid cells.
57. The spindle fibers will decrease in discharge of impulses when - Muscle contracts (vs) When efferent gamma discharge occurs. (controversial) here most probable “muscle contracts”
58. Diagnosis for leprosy, initial investigation - Nasal scrapping.
59. Benign neoplasm – Adenoma.
60. 3 germ layers tumor – Teratoma.
61. When adrenalin release from medulla, causes vasodilation by acting on - Beta 2 adrenergic receptors.
62. Increased GFR and increased plasma flow occur due to - Dilation of afferent arteriole.
63. Charateristic of cerebellar lesion - Dymetria
64. Emax of a drug depends on – Efficacy
65. Study in which every person of a population has equal chances of being selected – Random sampling.
66. Amniocenthesis is done - After 14th weeks.
67. 1st response against acute inflammation in tissue – Macrophages.
68. In dark granules containing cells; IgE attaches to – Basophils.
69. Opsonization - C3b.
70. Exudate - more than 3g of proteins.
71. About active transport of drug all are true except - All drugs pass via active transport.
72. Pulmonary artery supply to – Alveoli.
73. Muscles of back innervated by - Dorsal rami.
74. In young boy dyspnea produced on lying - Retrosternal goiter.
75. Most important cause of bronchogenic cancer – Smoking.
76. Edema caused by - Increased hydrostatic pressure.
77. Edema caused by - Lymphatic blockage.
78. BP 210/180mmHg and creatinine 8% damaged part – Juxtaglomerular apparatus.
79. Female with blood group A, have 2 children; one with O and other with AB, blood group of father is – B.
80. Genetically true hermaphrodite – XX/XY.
81. DNA replication occur in – Interphase.
82. Glycogenolysis caused by deficiency of which hormone - Insulin
83. Investigation for liver amoebic abscess – Serology.
84. Surgery of submandibular gland; nerve damaged - marginal mandibular branch of facial.
85. On posterior surface of oblique and transversalis fascia - Arcuate line.
86. Aspirin overdose causes – Coma.
87. Cardiac output measurement via thermodilution – Temperature change downstream with CO.
88. Father with defective gene on one autosomal chromosome, develops disease later in his life; chances of getting disease in children – Half of the children will be affected.
89. If left circumflex artery occluded - Infarction of left atrium and left ventricle.
90. MCC of multiple fractures in adult – Osteoporosis.
91. Patient with fracture of many bones and low BP immediate treatment - Volume replacement.
92. Most common fracture of long bone - Tibia.
93. Collagen fibers – Eosin stain
94. Gamma efferent supply to – Intrafusal muscle spindles.
95. Micturition – Self generating.
96. Hallmark of HIV – Proliferation of virus in T-Cells.
97. 1g protein gives energy – 4 kcalories.
98. Isotonic and isometric contraction difference is that isotonic contraction – consumes more phosphate bond.
99. Autonomic nervous system – parasympathetic increase salivary secretion.
100. Protrusion of mandible – Lateral pterygoid.