Physiology Professional Exam Part 1 2010

                       King Edward Medical University, Lahor
                       Physiology ,1^st Prof Part I Annual Examination 2010

Time Allowed: 02 hours and 15 minutes.

Attempt all questions:

SEQs:

Q1: a)

Give mechanism of genesis of resting membrane potential. What is the effect of hyperkalemia on this potential? (7)

b)

What are the functions of peroxisomes? (3)

Q.2: name plasma proteins. Give their functions. What are the effects of hypoproteinemia? (10)

Q3: a)

A deep sea diver after remaining for 6 hours in deep sea returns to the sea surface. A few hours after his return, he develops severe pain in limbs and breathlessness.

i) From which disease, the deep sea diver suffers? (2)

ii) What is the cause of this disease? (2)

iii) Give the treatment of this disease. (2)

b)

What is dead space? Give its types and advantages. (4)

PBQs:

Q4: a)

How is coronary blood flow regulated? (7)

b) What is type I AV block? (3)

LEQs:

Q5: a)

How is urine acidified? (5)

b) What is endocrinal function of the kidney? (5)

Q6: a)

Draw a sketch showing the intrinsic pathway of blood coagulation. (5)

b) What are pressure changes in atria during the cardiac cycle? (5)