Nicotinic receptors
A) respond to epinephrine.
B) respond to norepinephrine.
C) open chemically gated sodium ion channels.
D) are found at neuroeffector junctions of the autonomic nervous system.
E) open chemically gated calcium ion channels.
Answer: C
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Two negatively charged bromide (Br-) ions exist in solution. They will be attracted to each other and form an ionic bond.
Answer the following statement true (T) or false (F)
Which plexus gives rise to nerves that supply the hamstring muscles?
A. Gluteal plexus B. Sacral plexus C. Cervical plexus D. Lumbar plexus E. Brachial plexus
The most numerous white blood cells are __________.
Fill in the blank(s) with the appropriate word(s).
Explain how the cardiovascular and endocrine systems depend on each other to communicate and control other body functions
A) Hormones are circulated throughout the body via the cardiovascular system. B) The endocrine system sends action potentials through the activity of the cardiovascular system. C) The cardiovascular system controls the release of hormones from endocrine glands. D) The cardiovascular system supplies blood to all endocrine organs.