The lungs are part of the renin-angiotensin-aldosterone pathway that helps regulate
A. blood pressure.
B. carbon dioxide levels.
C. blood pH.
D. All apply.
Answer: A
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The cytoskeleton consists of
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Sally has just heard a strange noise in her basement. Which of the following is an example of normal autonomic nervous system function during this type of situation?
A. Sally's breathing becomes slower to allow for better gas exchange. B. Sally's heart rate increases preparing for possible activity. C. Sally's muscle tone increases as she becomes paralyzed with fear. D. Sally's heart rate decreases to allow her to hear the noise better.
Which of these appendicular joints is a hinge joint?
A. Metacarpophalangeal B. Interphalangeal C. Proximal radio-ulnar D. Radiocarpal