Module 6 – The Nervous System and Endocrine System
1. Which is the correct sequence in the transmission of a neural impulse?
a. axon, dendrite, cell body, synapse
b. dendrite, axon, cell body, synapse
c. dendrite, cell body, axon, synapse
d. synapse, axon, dendrite, cell body
2. If a neuron was compared to a baseball team, the catcher for the team would most
likely be analogous to the:
a. dendrite.
b. nucleus.
c. axon.
d. axon terminal.
3. With regard to the process of neural transmission, a refractory period refers to a time
interval in which:
a. a brief electrical charge travels down an axon.
b. an individual reflexively withdraws from a pain stimulus.
c. chemical messengers go across the synaptic gaps between neurons.
d. a neuron recharges before it can fire again.
4. The chemical messengers released into the spatial junctions between neurons are
called:
a. genes.
b. hormones.
c. neurotransmitters.
d. synapses.
5. In comparing a neuron to a toilet, the fact that the toilet always flushes at the same
intensity once it is activated is like what in the neuron?
a. resting potential
b. refractory period
c. excitatory effect
d. all-or-none principle
6. The somatic nervous system is a component of the _____ nervous system.
a. autonomic
b. central
c. peripheral
d. sympathetic
7. Which nervous system is responsible for maintaining and controlling the internal
organs that keeps you alive such as your heart, lungs, and digestive system?
a. autonomic
b. parasympathetic
c. somatic
d. endocrine
8. You come home one night to find a burglar in your house. Your heart starts racing and
you begin to perspire. These physical reactions are triggered by the:
a. limbic system.
b. parasympathetic nervous system.
c. somatic nervous system.
d. sympathetic nervous system.
9. Because of its function in directing the other glands, the pituitary gland is sometimes
called the:
a. central nervous system.
b. directing gland.
c. hypothalamus.
d. master gland.
10. Which of the following hormones would have helped Little Red Riding Hood the
most in her efforts to run away from the Big Bad Wolf?
a. epinephrine
b. estrogen
c. insulin
d. thyroxin