A. Threshold stimulus
B. Active membrane potential
C. Resting membrane potential
D. All of the above
Correct Answer: Threshold stimulus ✔
Last Updated: May 04, 2024
Related MCQs
- The potential during which the inner membrane surface becomes more positive than the outside is called:
- When a neuron is stimulated, the cell membrane at the point of stimulation undergoes momentary reversal in change called:
- A wave of electrochemical changes, which travels along the length of the neuron involving chemical reactions and movement of ions across the cell membrane, is:
- A membrane potential of_________volts exits when a neuron is not conducting a nerve impulse:
- A measure of capacity to do electrical work is:
- Which of the following functional types of neurons is found in mammals?
- The pathway of a simple reflex action is called:
- The pathway of passage of impulses during a reflex action is:
- Sense organs in the form of eyes and chemoreceptors are present in one of the followings:
- The main nutritional of a neuron cell is:
- The cytoplasmic process that arise from the neuron cell body and carry impulses away cell body are termed:
- Groups of ribosomes associated with rough endoplasmic reticulum and Golgi apparatus found in the cell body of a neuron are termed:
- The structures, which respond when they stimulated by impulse coming via motor neuron, is:
- The principal effectors are:
- The cytoplasmic process arising from the cell body of neuron that carries impulse towards cell body is called a:
- One of the following ions is twenty times more concentrated inside than outside the membrane surface:
- The major factors that are involved in resting membrane potential include:
- The concentration one of the following ion is tenfold higher on the outside of the membrane than inside:
- For every two K+ ions transported inward a neutron cell., how many Na+ ions are transported outside:
- The first main type of nervous system is a:
- One of the followings receives and processes sensory information, initiates responses, stores memories and generates thoughts and emotions is:
- The electrical potential that exists across a cell membrane is known as:
- The net difference in charge between the inner and outer surface of a non conducting neuron is called:
- The nervous coordination involves specialized cells that are linked together directly or via central nervous system to from a network. These are:
- The nervous system found in Hydra Jelly fish and their relatives is:
- One of the following leads to gigantism if produced in excess during early life of a human being:
- The somatotropin releasing factor secreted from hypothalamus promotes which of the followings when growth ceases after adolescence:
- Coordination in higher animals is:
- The nervous system that receives and processes information and initiates action is:
- Which of the following hormones is secreted by anterior pituitary lobe?
- One of the following hormones is secreted by anterior pituitary lobe:
- The passage of nerve impulse is associated with increase in permeability of which of the following ion:
- The neuron conducts the impulse in the form of nerve impulse during:
- There is a beginning of centralized nervous system in one of the followings:
- A deeper plexus is embedded in parenchyma of one of the followings in addition to a superficial network of neurons:
- Which lobe in pituitary is termed “master gland”?
- Which of the followings show diffused type of nervous system?
- In one of the followings, the nervous system consists of a network of neurons present between the ectoderm and endoderm:
- Which part of Hydra’s body is more responsive and reacts to the stimulus instantaneously:
- The hormones produced in hypothalamus are stored in:
- An ovoid structure about 0.5 mm in the adult and is connected to the brain through a short stalk:
- The part of forebrain also acts an endocrine gland and is believed to produce oxytocin and antidiuretic hormone (ADH):
- Which of the following hormones is an amino acid or its derivative?
- A hormone that is a polypeptide chemically:
- Insulin and glucagon are examples of which of the following types of hormones:
- A steroid hormone is:
- Chemically hormones may be:
- Organic compounds of various structural complexity that are poured directly into blood are the transported to respective target tissues are:
- A discrete group of cells that makes specific chemical compounds is:
- Hormones affect the target cells by:
- Each receptor organ: