A. Na effux
B. Na influx
C. K efflux
D. K influx
✅ The correct answer is option C. K efflux.
Physiology Mcqs
The biological anticoagulant is________________?
A. EDTA
B. Sodium citrate
C. Hirundine
D. Double oxalate mixture
✅ The correct answer is option C. Hirundine.
which of the following secretions has a very high pH________________?
A. Gastric juice
B. Pancreatic juice
C. Bile in gall bladder
D. Saliva
✅ The correct answer is option B. Pancreatic juice.
In renal glycosuria, the renal threshold for glucose is_______________?
A. Low
B. High
C. Same
D. Greatly increased
✅ The correct answer is option A. Low.
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
✅ The correct answer is option B. Dilatation of pupil.
Bleeding time is prolonged in a person who_______________?
A. Has liver disease
B. Takes coumarin derivatives
C. Lacks factor VIII
D. Takes large quantities of aspirin
✅ The correct answer is option D. Takes large quantities of aspirin.
Which of the following is not useful for coagulation______________?
A. Plasmin
B. Thrombin
C. Calcium
D. Fibrin
✅ The correct answer is option A. Plasmin.
ESR depends on_______________?
A. Viscidity
B. Fibrinogen
C. Rouleaux
D. All of the above
✅ The correct answer is option D. All of the above.
The neuromuscular transmitter released at neuromuscular junction is_______________?
A. Dopamine
B. Epinephrine
C. Nor epinephrine
D. Acetylcholine
✅ The correct answer is option D. Acetylcholine.
Which of the following is important in renal excretion of hydrogen ion ?
A. Combining H+ with Cl- to form Hcl
B. Combining H+ and HCO3- via enzyme carbonic anhydrase
C. Trapping H+ by acetate
D. Trapping H+ by NH3+
✅ The correct answer is option D. Trapping H+ by NH3+.