Download nervous quiz RG

NAME ___________________________
Nervous System Quiz
__________ 1. What are the areas that receive signals (neurotransmitters) from other neurons called?
a. dendrites
b. axons
c. nodes
d. myelin
e. terminals
__________ 2. The central nervous system is composed of the
a. brain and spinal cord
b. spinal cord and peripheral nerves
c. brain and peripheral nerves
__________ 3. What part of the neuron is responsible form increased nerve conduction?
a. myelin
b. dendrites
c. axon
d. terminals
e. neurotransmitters
__________ 4. What type of neuron carries impulses to the spinal cord?
a. Receptor
b. Sensory
c. Interneuron
d. Motor
__________ 5. What neurons are usually involved in a reflex? Choose all which apply.
a. interneurons
b. sensory neurons
c. motor neurons
__________ 6. What is the function of the neurotransmitter Dopamine?
a. fight or \flight
b. provides a barrier to prevent the uptake of neurotransmitters.
c. is a pleasure neurotransmitter
d. increases electrical activity in the brain.
__________ 7. What is a synapse?
a. a gap between neurons
b. a gap between segments of myelin
c. a type of neurotransmitter
d. part of a neuron
__________ 8. What structure connects the two hemispheres of the brain?
a. corpus callosum
b. temporal lobe
c. interneurons
d. stretch receptors
__________ 9. True or false. Action potentials record electrical activity (in millivolts) in a nerve cell.
a. false
b. true
_____________
10. What two ions are found at the nerve membrane to cause electrical potentials?
a)
Mg++, Clb)
Fl-, Oc)
Na+, K+
d)
Na+, L+
__________ 11. Addiction to cocaine occurs when
a.
Neurotransmitters are not reabsorbed by the presynaptic neuron
b.
Neurotransmitters flood the synaptic space
c.
Receptor molecules fail to release neurotransmitters
d.
Receptor molecules degenerate (are lost) on the neuron
__________
a.
b.
c.
d.
12. Compared with nerve impulses, hormones are generally
released faster and have longer lasting effects.
released more slowly and have longer lasting effects.
released more slowly and have effects of shorter duration.
released faster and have effects of shorter duration.
Label all the parts in the neuron below
Explain what the following neurotransmitters do in the nervous system:
GABA, glutamate, serotonin, dopamine, …
What is negative feedback?
When a neuron is at rest where are the sodium and potassium ions located in relationship
to the membrane?
Why are impulses able to travel from one neuron to another?
Mylinated sheaths allow impulses to travel faster along a neuron by jumping from
______ to node.
Rat experiment: In packet
Why did the rat press the level the first time?
Which rats were given an addictive stimulus or electrical impulse to stimulate the
pleasure centers of the brain?
How does cocaine effect nerve cells?
Endocrine system
Base your answer on the diagram which represents endocrine glands of both
sexes and on your knowledge of biology.
A secretion responsible for the development of a deep voice and facial hair is
synthesized by
1. structure F
2. structure B
3. structure C
4. structure G
The diagram shows the outline of a human body with various glands marked. Use it to
answer questions 21 and 22.
Outline of a human body showing various endocrine glands
Which gland produces the hormone insulin?
A.
I
B.
II
C.
III
D.
IV
Liver
D.
Pituitary
gland
What is the target tissue of the hormone insulin?
A.
Kidney
B.
Stomach
C.
What do the following hormones do in the human body?
ADH
GH
Calcitonin
PTH
Estrogen
Testosterone
Insulin