Three common components of a feedback loop are ________, ________, and ________.
A. receptor; integrating (control) center; organ system
B. receptor; integrating (control) center; effector
C. stimulus; integrating (control) center; organ system
D. stimulus; receptor; integrating (control) center
E. receptor; organ; organ system
Answer: B
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Stephanie has her cancerous right breast removed, and the surgeon also removes lymph nodes in the axillary region to prevent spread of the cancer. As a result, Stephanie's right arm
A. receives too much blood and swells. B. loses tissue fluid. C. becomes edematous. D. loses its blood supply.
What is line "B" pointing to?
a) Fenestration b) Pedicel c) Filtration slit d) Basal lamina e) Lumen of the glomerulus
A stimulus below the ________ will activate sensory neurons, but the signal will not reach the conscious brain because higher neurons dampen it.
Fill in the blank(s) with the appropriate word(s).
The basic building blocks of proteins are ____
a. triglycerides b. monosaccharides c. amino acids d. nucleotides