Which of the following is not a function of parathyroid hormone (PTH)?
A. Promote calcium reabsorption by the kidneys
B. Stimulate osteoclast activity
C. Lower blood calcium
D. Promote calcitriol synthesis
E. Inhibit osteoblast activity
C. Lower blood calcium
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Which of the following two organs function as the most important physiological buffer systems?
A) the lungs and the kidneys B) the adrenal glands and the testes C) the thyroid gland and the heart D) the stomach and the liver
Which of the following is an infection?
A. Lyme disease B. Bursitis C. A sprain D. Osteoarthritis
What provides access for blood vessels entering and leaving the liver?
A) falciform ligament B) greater omentum C) mesentery proper D) lesser omentum E) diaphragm
Which of the following is CORRECTLY matched with its function?
A. peripheral proteins - penetrate the lipid bilayer from one surface to the other B. nongated ion channels - are always closed C. receptor proteins - attach to ligand molecules D. channel proteins - are part of an intercellular communication system E. marker molecules - are primarily steroids