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Pre Test Quiz
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1
Both the nervous and endocrine systems use chemical signals to regulate activities of body systems. The signals of the nervous system are __________, while those of the endocrine system are __________. Both systems rely on __________ feedback to control their activities.
A)the faster of the two; slower; negative
B)the slower of the two; faster; negative
C)the faster of the two; slower; positive
D)the slower of the two; faster; positive
2
The chemical signals of the nervous system are called __________; the chemical signals of the endocrine system are called __________, which include __________ varieties.
A)hormones; neurotransmitters; excitatory and inhibitory
B)neurotransmitters; hormones; excitatory and inhibitory
C)hormones; neurotransmitters; peptide and steroid
D)neurotransmitters; hormones; peptide and steroid
3
Receptors for peptide hormones are found __________ of target cells.
A)in the DNA receptor complex
B)in peptide chains
C)on the nuclear envelope
D)on the plasma membrane
4
True or False: Thyroxine and triiodothyronine, produced by the thyroid gland, are hormones that do not have specific target organs.
A)True
B)False
5
Insulin functions to
A)promote the storage of nutrients.
B)stimulate the uptake of glucose by the cells.
C)Insulin performs all of these functions.
D)lower the blood glucose level my stimulating liver, fat, and muscle cells to metabolize glucose.







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