A. Magnitude of the stimulus
B. Intracellular potassium concentration
C. extracellular sodium concentration
D. resting membrane potential
Related Mcqs:
- All of the following structures are associated with branches of the trigeminal nerve EXCEPT the______________?
A. Foramen ovale
B. Foramen rotundum
C. Superior orbital fissure
D. Stylomastoid foramen - Resting membrane potential of nerve fiber is_______________?
A. -70 mv
B. -90 mv
C. -55 mv
D. + 35 mv - The hypoglossal nerve is the motor nerve to all of the muscles of the tongue except, the____________?
A. Genioglossus
B. Palatoglossus
C. Superior longitudinal muscle
D. Inferior longitudinal muscle - The absolute refractory period of an action potential is due to _______________?
A. Insufficient neurotransmitter
B. Depletion of intracellular Na+
C. Inactivation of Na+ k+ ATPase
D. Voltage inactivation of the Na+ channel - Upstroke of action potential would lead to________________?
A. Net current in an outward direction
B. Cell interior becomes more negative
C. Cell interior becomes less negative
D. None of the above - The nerve supply for motor action of buccinator______________?
A. Facial nerve
B. Mandibular nerve
C. Maxillary nerve
D. Auriculo temporal nerve - The viral action is differentiated from bacterial action by_________________?
A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production - Limitation of inspiration by vagal lung inflation signals is called the______________?
A. Autonomic reflex
B. Bainbridge reflex
C. Herring – Breur reflex
D. Dynamic stretch reflex - The blood glucose level in diabetes mellitus is decreased by removal of the______________?
A. Thyroid
B. Parathyroids
C. Anterior pituitary
D. Posterior pituitary - The intrinsic factor for vitamins B12 absorption is produced in the______________?
A. Liver
B. Stomach
C. Pancreas
D. Duodenum
