What is the secondary defense against changes in pH that requires minutes to be activated?
A) renal compensation
B) buffering of hydrogen ions
C) respiratory compensation
D) cardiac compensation
E) hepatic compensation
Answer: C) respiratory compensation
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Localized redness, swelling, warmth, and pain are indicators of ________, the normal response to injury.
Fill in the blank(s) with the appropriate word(s).
The structure labeled A in the diagram belongs to which group of spinal nerves?
a) cervical nerves b) thoracic nerves c) lumbar nerves d) sacral nerves e) coccygeal nerves
Which of the following occurs as a result of motor units in a particular muscle being always active, even though their contractions do not produce enough movement to cause contraction?
A) treppe B) tetany C) muscle tone D) fatigue E) a twitch
When an allergen binds with IgE antibodies on mast cells, resulting in release of chemical mediators, this reaction is called...
A) cytotoxic hypersensitivity. B) immune complex hypersensitivity. C) type I hypersensitivity. D) type IV hypersensitivity