A. Cerebral blood flow increases if there is increase in systolic blood pressure
B. Body temperature increases
C. Blood flow to muscle increases after 1½ minute
D. Lymphatic flow from muscle decrease
Related Mcqs:
- All the heart valves are open during which stage of cardiac cycle __________________?
A. Systolic ejection
B. Isovolumetric relaxation
C. Isovolumetric contraction
D. None of the above - First heart sound occurs during the period of________________?
A. Isotonic relaxation
B. Isovolumetric relaxation
C. Isovolumetric contraction
D. Isotonic contraction - Following are the changes during accommodation except_______________?
A. Constriction of pupil
B. Dilatation of pupil
C. Convergence of eye ball
D. Increase in the anterior curvature of lens - Blood supply to the brain during moderate exercise________________?
A. decreases
B. Remains constant
C. Increases
D. Increases then decreases - During inspiration when the diaphragm contracts, the intrapleural pressure becomes_____________?
A. More negative
B. Less negative
C. Positive
D. Equal to the intra alveolar pressure - During the initial part of inspiration, which of the following does not occur ?
A. Intrapulmonary pressure falls
B. Intra thoracic pressure rises
C. Intra-abdominal pressure rises
D. The partial pressure of O2 in dead space rises - Normal intrapleural pressure during the start of inspiration is _________ mm of Hg?
A. -2
B. -5
C. 0
D. -7 - Energy expenditure during normal breathing____________?
A. 25% – 50% of total energy spent
B. 50% -75% of total energy spent
C. 15% – 20% of total energy spent
D. 2% – 3% of total energy spent - Adrenaline used for controlling of bleeding during surgery may result in________________?
A. Syncope
B. Cardiac arrhythmias
C. Drastic fall in blood pressure
D. Precipitation of allergic reaction - All the following causes the secretion of gastric juice during cephalic phase EXCEPT______________?
A. Food in the mouth
B. Sight of food
C. Food in the stomach
D. Thought of food
