KNRUHS MBBS Physiology November 2025 (MB2019105 Regular)

MB2019105Kaloji Narayana Rao University of Health Sciences · Physiology · 2025 · November · Regular

Questions (25)

1.The forced vital capacity is a) The amount of air that normally moves into (or out of) the lung with each respiration b) The amount of air that enters the lung but does not participate in gas exchange. c) The amount of air expired after maximal inspiratory effort d) The largest amount of gas that can be moved into and out of the lungs in 1 min
1 Mark
2.Compliance of lungs is greater in all except a) Than the compliance of lungs and thorax together b) In infants than in adults c) When they are filled with saline than when they are filled with air d) In standing than in recumbent position
1 Mark
3.Changes during Acclimatization at High Altitude include all except a) Pulmonary ventilation is increased b) Increased sensitivity of central chemoreceptor mechanisms to hypoxia and carbon dioxide. c) DPG (2, 3-diphosphoglycerate) concentration of red blood cells increases d) Metabolic alkalosis
1 Mark
4.Vasomotor ischemia triggers an increase in sympathetic outflow increasing BP and thereby facilitating restoration of cerebral Blood flow. This is called: a) Bainbridge reflex b) The CNS ischemic pressor response c) Head's paradoxical reflex d) Marey's reflex
1 Mark
5.The normal direction of mean cardiac vector ranges from: a) 60 to -30 degree b) 60 to 120 degree c) 110 to 18 degree d) -30 to 110 degree
1 Mark
6.The adhesion of platelets to subendothelial collagen is impaired in the absence of: a) Von Willebrand factor b) Plasmin c) Heparin d) Antithrombin III
1 Mark
7.The release of gastrin from G cells in the antrum of the stomach is inhibited by: a) Activation of vagal efferent fibres to the stomach b) Circulating epinephrine c) Blood-borne calcium d) Somatostatin
1 Mark
8.A proteolytic enzyme present in saliva is: a) Ptyalin b) Lysozyme c) Kallikrein d) Lipase
1 Mark
9.Phototherapy given for treating jaundice: a) Converts lumirubin to bilirubin b) Acts by photoisomerization of bilirubin to soluble forms c) Helpful only in obstructive jaundice d) Any type of the light can be used
1 Mark
10.Which one of the following molecules is used for cell signalling? a) CO2 b) O2 c) No d) N2
1 Mark
11.A woman aged 40 years comes to the physician with complaints of breathlessness, easy fatigue and headache. On examination, she had pale skin and conjunctiva. Her blood report shows Hb – 8 gm/dl, Haematocrit value – 30% a) Identify the condition and elaborate the classification of anaemia. b) How is Iron absorbed by the body and what factors can affect this process c) Enumerate the causes of Nutritional anaemia d) What is the suggested treatment e) Enumerate blood indices and their normal values.
15 Marks
12.An obese elderly lady comes with a complaint of chest pain which appears to spread down her left arm when she climbs the stairs, it visually disappears when she takes rest for a few minutes. a) Explain why there is chest pain when she climbs the stairs. b) Describe the characteristic features of the coronary circulation c) How is blood flow to cardiac muscle regulated d) Describe the innervation of the Heart e) What ECG changes would you expect to occur during an anginal episode
15 Marks
13.Explain how cell communicate with another cell by giving suitable examples.
6 Marks
14.Functions of Liver and Add a note on different types of Jaundice.
6 Marks
15.Counter current mechanism in regulation of urine concentration.
6 Marks
16.Describe types of Hypoxia. Role of oxygen therapy in Hypoxia.
6 Marks
17.Pathophysiology of peptic ulcer.
6 Marks
18.Discuss the roles of a physician.
6 Marks
19.Glomerular Filtration Rate.
6 Marks
20.Extra cellular fluid volume measurement.
3 Marks
21.Heart sounds.
3 Marks
22.Compliance of Lung.
3 Marks
23.Physiological basis of pulmonary oedema.
3 Marks
24.Hormones of Kidney.
3 Marks
25.What is apoptosis. What is its physiological significance.
3 Marks

More from Physiology

Previous-year question paper.More papers →Report an issue