A loop that enhances a signal to complete a process with a clear cutoff point is a ________ feedback system.
A. single-effector
B. positive
C. servo
D. negative
Answer: B
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Which type of glial cell produces myelin for neurons in the brain?
A. Microglia B. Oligodendrocytes C. Astrocytes D. Interneurons
After passing the first rib, the subclavian artery becomes the ________ artery
A) radial B) ulnar C) brachial D) axillary E) digital
Uncoupling proteins function in maintaining long-term neutral energy balance by
a. uncoupling electron transport in mitochondria from ATP production. b. uncoupling glycolysis from ATP production. c. uncoupling food intake from nutrient uptake in the gut. d. all of these. e. none of these.
After filtrate leaves the loop of Henle, it next flows into the ________.
A) Distal convoluted tubule B) Glomerular capsule C) Ureter D) Loop of Henle