The subjective feeling of hunger is stimulated when
A. plasma leptin concentration decreases.
B. plasma ghrelin concentration decreases.
C. plasma insulin concentration increases.
D. body temperature increases.
E. plasma glucose concentration increases.
Answer: A
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The superior lateral quadrant of the gluteal region is a safer place to do an IM injection because the sciatic nerve originates in the inferior medial quadrant and travels inferiorly.
Answer the following statement true (T) or false (F)
Acetylcholine is released from a neuron
A. by conduction through a gap junction from nerve to muscle. B. by a primary active transport pump. C. by rapid diffusion when a voltage-gated ion channel opens for it. D. through exocytosis when a vesicle fuses with the membrane.
The _________________ are the isolated, innermost gray matter areas near the base of the cerebrum, inferior to the lateral ventricles.
a. auditory association areas b. cerebral nuclei c. substantia nigra d. corpus callosum axons