past paper for locomoter exam

9. Power lab is a :
A. Software
B. Hardware
C. Computer
D. Ecg machine
which program is used in power lab?
A. Lab tutor
B. Lab power
C) Muscle tutor
During contraction of smooth muscle, main source of Ca ions is sarcoplasmic Reticulum. The activation
of following structure cause outward pumping of Ca via ATPase pump. What is most likely the answer
A)Na/K ATPase pump
B)a leaky channels
C)Ryanodine receptors
D)Voltage gated Ca channels
The stimulus interval can be changed in
A)To see twitch response
B)To see tetanization
C)To see fatigue
D) To see Summation
.The Bio Am circuit is used to see
A) Electrical activity of heart muscle.
B)Electrical activity of smooth muscle
C)Electrical activity of skeletal muscle
D). Recruitment of stimulus.

10. Saltatory conduction;
A)Occurs in all nerve fibers
B)Does not depend on depolarization of the nerve membrane
C). Is slower than non-saltatory conduction in nerve fibers with diameters around 10 um
D). Transmit impulses with a velocity proportional to fiber diameter
Electrical activity in visceral smooth muscles are
A)RMP
B)pike potential
C)Action potential with plateau phase
D)All of above
A young boy touched a hot pan,he immediately withdraws his hand. The nerves Carrying the fastest
signals to skeletal muscles are
A Theta nerve fibres
B) Alfa nerve fibres
C)B nerve fibres
D)C nerve fibres
Staircase phenomenon or treppe is due to
A) increase in availability of intracellular Ca
B) summation
C) tetanus
D) synthesis of troponin c
Action potential can be:
A)Added up in summation
B) Is of variable intensity

11. Intestinal smooth muscle:
A). Has spindles
B) Can respond to substances carried to it from the blood
Compiled
by:Zainab
Shafique