Which of the following are types of neurons?
Sensory
Motor
Interneurons
All of the above
How does a dendrite conducts nerve impulses ?
Away from the cell body
Towards the cell body
Both towards and away from the cell body
Around bypassing the cell body
How is transmission across a synapse achieved ?
Ionic bonding
Diffusion of neurotransmitter across the cleft
Physical contact of axon to dendrite allowing the nerve impulse to continue onward
Diffusion of sodium ions across the cleft
Which part of the brain control the anterior pituitary gland secretions ?
Medulla
Thalamus
Cerebral cortex
Hypothalamus
The enzyme that breaks down a neurotransmitter is the :
acetylcholine
serotonin
dopamine
acetylcholinesterase
Humans have how many pairs of cranial nerves ?
4
12
16
21
How does an axon conducts nerve impulses ?
Around, bypassing the cell body
How is transmission of nerve impulses across a synaptic cleft carried out in humans?
Sodium ions
Potassium ions
Neurotransmitter molecules
The nodes of Ranvier
Which body system coordinates activities of body parts by releasing hormones into the blood?
Nervous system
Digestive system
Circulatory system
Endocrine system
Where does the sensory neuron of the peripheral nervous system take nerve impulses from sensory receptors to?
Motor neurons
Autonomic nervous system
Central nervous system
