08 Nov What chemical is released from the adrenal medulla in stressful situations? norepinephrine acetylcholine hydrogen ions
Question 1
What chemical is released from the adrenal medulla in stressful situations?
norepinephrine
acetylcholine
hydrogen ions
Testosterone
Question 2
What does a pulse measure?
the expansion and recoil of an artery
the expansion and recoil of a vein
the expansion and recoil of a capillary
the expansion an recoil of a lymphatic vessel
Question 3
Which substance produced by the kidneys, by a leukocyte, helps prevent unnecessary blood clotting?
heparin
histamine
antibodies
serotonin
Question 4
What is the term for blood vessels that provide a "detour" in the circulation of the heart's blood supply?
Anastomoses
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