Which of the following factor/s is/are responsible for establishing resting potential?
a) distribution and active movement of Na+ and K+ ions
b) negative organic ions
c) leakage of K+ ions
d) all of these
Active potential is also known as………
a) polarized state
b) resting potential
c) action potential
d) neutral state
Explanation more positive ions on the outside than inside the membrane
Active membrane potential is characterized by…….
a) more positive inside
b) more positive outside
c) more negative inside
d) both a and c
Explanation this happens when positive ions move inside of neuron on receiving stimulus
If a stimulus is capable to bring an electrochemical change on neuron or to excite a given tissue, it is called…….
a) normal stimulus
b) active stimulus
c) potential stimulus
d) threshold stimulus
Explanation: it stimulus is not capable to excite or fails to rise any response is called sub threshold stimulus or inadequate stimulus
Which gate will be open at hyperpolarized state?
a) Na+
b) K+
c) Ca+ +
d) Cl-
When neuron fiber is stimulated, the stimulated area become more permeable to ……..ions than …….ions.
a) Na+ & Cl-
b) K+ & Na+
c) Na+ & K+
d) K+&Cl-
Explanation it is due to opening of voltage regulated Na+ gates
