Which of the following types of stimuli produces only a local potential, but not an action potential?
A) maximal
B) supramaximal
C) threshold
D) subthreshold
Answer: D) subthreshold
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The type of chemical bond formed when ions with opposite electrical charges attract is a(n) ________ bond.
Fill in the blank(s) with the appropriate word(s).
Phasic receptors
A) are attune to parameters that the body must continuously assess. B) once threshold is reached by a stimulus will always generate action potentials. C) are quick to adapt to a particular stimulus intensity. D) slowly decrease the frequency of action potentials generated to a constant stimulus.
The nucleus is located in the ____________________ of the sperm
Fill in the blank(s) with correct word
The covering of body surfaces and the lining of body cavities is composed of ________ tissue.
A. adipose B. epithelial C. interstitial D. muscle E. nervous