AP Biology (Mader), 11th Edition

Chapter 37: Neurons and Nervous Systems

Post-Test

1
_______ refers to a concentration of neurons and sensory receptors in the anterior or head region.
A)Synaptic cleft
B)Action potential
C)Cephalization
D)Peripheral nervous system
2
Arthropods have a _____.
A)ventral nerve cord
B)dorsal nerve cord
C)nerve ladder
D)nerve net
3
All of the following are involved in maintaining the resting potential of an axonal membrane EXCEPT:
A)the Na+ - K+ pump.
B)large negatively charged proteins in the cytoplasm of the axon.
C)higher concentrations of Na+ inside the axon and higher concentrations of K+ outside the axon.
D)greater permeability of the membrane to K+ than Na+.
4
What organisms have the most highly evolved, complex nervous system?
A)Insects
B)Flatworms
C)Mammals
D)Fish
5
The somatic nervous system controls _____.
A)smooth muscle
B)skeletal muscle
C)the glands
D)cardiac muscle
6
The sympathetic and parasympathetic systems are divisions of the _____.
A)somatic system
B)central nervous system
C)autonomic system
7
One of the main functions of the _____ in the peripheral nervous system is to synthesize the myelin sheath.
A)dendrites
B)oligodendrocytes
C)axon
D)Schwann cells
8
The neurons responsible for thinking, memory and language processes are _____.
A)sensory neurons
B)interneurons
C)motor neurons
9
During an action potential, _____ moves to the inside of the axon and _____ moves to the outside of the axon.
A)K+; Na+
B)H+; glucose
C)Ca+; phosphate
D)Na+; K+
10
If a neuron is stimulated and threshold is not reached, _____ happens.
A)nothing
B)an action potential
C)saltatory conduction
11
During repolarization, _____.
A)sodium channels open and sodium enters the axon
B)sodium and potassium channels remain closed
C)potassium channels open and potassium leaves the axon
12
All of the following about drugs that affect the nervous system are true EXCEPT:
A)Can enhance or block neurotransmitter release
B)Mimic the action of a neurotransmitter
C)Interfere with the removal of a neurotransmitter from synaptic cleft
D)Developing embryos, fetuses and newborns are rarely affected if the mother is abusing drugs.
13
All of the following are true about neurotransmitters EXCEPT:
A)Bind to receptors on the postsynaptic membrane
B)May excite or inhibit the postsynaptic neuron
C)Include endorphins, which are associated with the "runner's high"
D)Are stored in synaptic vesicles
14
The pineal gland secretes this hormone, which is involved in maintaining the normal sleep-wake cycle.
A)Acetycholine
B)Antidiuretic hormone
C)Epinephrine
D)Melatonin
15
The muscle contraction that pulls your hand off the hot burner is initiated by _____.
A)the somatic system
B)the autonomic system
C)the sympathetic system
16
The _____ adds emotional overtones to memories.
A)pons
B)cerebellum
C)thalamus
D)amygdale
17
The ability of humans to think critically and formulate appropriate behaviors is dependent of the _____ lobe of the cerebrum.
A)occipital
B)frontal
C)parietal
D)temporal
18
Which of the following is associated with the sympathetic nervous system?
A)Decreased blood pressure
B)Increases the heart rate
C)Increased blood flow to the digestive system
D)Decreased respiration
19
The right and left hemispheres of the cerebrum are connected by the _____.
A)meninges
B)thalamus
C)corpus callosum
D)cerebellum
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.