A. actomyosin
B. acetylcholine
C. acetyl cholinesterase
D. luteinizing hormone
Related Mcqs:
- The nature of a nerve impulse is primarily a/an _____________ event; communication between neurons is primarily a/an_____________
A. chemical; electrical
B. acetylcholine, catecholamine
C. dendrite; axon
D. electrical; chemical - The fact that, during neural transmission, an impulse is sent to the end of the axon without fading or weakening is known as ___________?
A. stimulus constancy
B. absolute threshold retention
C. nondecremental property
D. all-or-none property - The neuron conducts the impulse in the form of nerve impulse during:
A. Threshold potential
B. Active membrane potential
C. Resting membrane potential
D. All of the above - In myelinated neurons the impulse jumps from node to rode (rod of Ranvier). This is called:
A. Nerve impulse
B. Saltatory impulse
C. Presynaptic impulse
D. Postsynaptic impulse - ______ receive information from other neurons; _________ transmit information other neurons.
A. synapses, cell bodies
B. Dendrites, axon buttons
C. Axon buttons dendrites
D. Axon; cell bodies - In one of the followings, the nervous system consists of a network of neurons present between the ectoderm and endoderm:
A. Planaria
B. Mosquito
C. Toad
D. Hydra - The contact: points between two neurons in the form of microscope gaps are known as:
A. Synaptic vesicles
B. Synaptic knobs
C. Synapses
D. All of the above - Certain neurons in one of the following parts of midbrain appear to influence transitions between sleep and wakefulness and the rate and pattern of breathing:
A. Medulla
B. Pons
C. Cerebellum
D. All of these - Communication within a neuron is_______________, while communication between neurons is________________.
A. chemical; electrical
B. electrical; mechanical
C. electrical; chemical
D. mechanical; electrical - The neurotransmitters basic to synaptic transmission are stored in ___________?
A. vesicles
B. end plates
C. receptors
D. dendrites
