Easy Tutorial
For Competitive Exams

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

First positive, then negative and continue to be negative
First negative, then positive and again back to negative
First positive, then negative and again back to positive
First negative, then positive and continue to be positive.
Additional Questions

Which one of the followings is the largest portion of the brain in humans?

Answer

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?

Answer

Which one of the following is an example of negative feedback loop in humans?

Answer

How many laminae are present in the grey matter of spinal cord?

Answer

Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that:

Answer

The function of vagus nerve innervating the heart is to

Answer

Cornea transplant in humans is almost never rejected. This is because:

Answer

When sympathetic nervous system is activated it causes the secretion of

Answer

Given below is a table comparing the effects of sympathetic and parasympathetic nervous system for four features (a-d). Which one feature is correctly described?

FeatureSympathetic Nervous SystemParasympathetic Nervous System
(a) Salivary glandStimulates secretionInhibits secretion
(b) Pupil of the eyeDilatesConstricts
(c) Heart rateDecreasesIncreases
(d) Intestinal peristalsisStimulatesInhibits

Answer

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

Answer
Share with Friends
Privacy Copyright Contact Us