Medical MCQs

5099 MCQs  (Page 468 of 510)

Open faced nucleus in a cell signifies______________?
A. That the cell is resting
B. That the cell is active
C. Nothing
D. That the cell is in transition phase
primary cause of bleeding disorder in liver damage is due to______________?
A. Decreased level of prothrombin
B. Lack of vitamin k
C. Platelet deficiency
D. Lack of vitamin b
Regarding Golgi tendon organ true is ______________?
A. Senses dynamic length of muscle
B. Involved in reciprocal innervation
C. A- motor neuron stimulation
D. Sense muscle tension
Valve of Hasner is present at________________?
A. Stensons duct
B. Common bile duct
C. Naso lacrimal duct
D. Maxillary sinus
T- lymphocytes play a primary role in_________________?
A. Production of antibodies
B. Production of lymphokines and delayed hypersensitivity
C. Activation of complement system
D. Immediate hypersensitivity
To check objective pain response, which is best used method_______________?
A. Facial pain scale
B. Knee jerk reflex
C. H- reflex
D. R iii reflex
Which of the following events DO NOT occur in rods in response to light_______________?
A. Structural changes in rhodopsin
B. Activation of transducin
C. Decreased intracellular cgmp
D. Opening of na+ channels