The nervous system quiz
1) Which of the following is the primary function of the nervous system?
a. Digestion
b. Circulation
c. Communication and coordination
d. Excretion
2) The nervous system is divided into two main parts, which are:
a. Brain and spinal cord
b. Central nervous system and peripheral nervous system
c. Sensory neurons and motor neurons
d. Somatic nervous system and autonomic nervous system
3) What is the basic structural and functional unit of the nervous system?
a. Glial cell
b. Dendrite
c. Axon
d. Neuron
4) Which part of the neuron receives and integrates incoming signals from other neurons?
a. Dendrites
b. Axon
c. Cell body
d. Axon terminal
5) What type of neurons transmit information from sensory receptors to the central nervous system?
a. Sensory neurons
b. Motor neurons
c. Interneurons
d. Bipolar neurons
6) The main function of the myelin sheath is to:
a. Increase the speed of nerve impulse transmission
b. Protect the neuron from damage
c. Generate an action potential
d. Provide nutrients to the neuron
7) The small gap between the axon terminal of one neuron and the dendrite of the next neuron is called:
a. Synapse
b. Myelin sheath
c. Node of Ranvier
d. Axon hillock
8) Which chemical messenger is responsible for transmitting signals across synapses?
a. Hormones
b. Neurotransmitters
c. Enzymes
d. Glial cells
9) Which part of the brain is responsible for controlling basic functions such as breathing, heart rate, and blood pressure?
a. Cerebellum
b. Cerebrum
c. Brainstem
d. Hypothalamus
10) Which division of the peripheral nervous system is responsible for the "fight or flight" response?
a. Somatic nervous system
b. Autonomic nervous system
c. Sympathetic nervous system
d. Parasympathetic nervous system
Answers: 1(c), 2(b), 3(d), 4(a), 5(a), 6(a), 7(a), 8(b), 9(c), 10(c)