The hip joint allows a greater freedom of movement than the shoulder joint.
Answer the following statement true (T) or false (F)
False
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A hormone produced by the heart that increases sodium output in the urine is __________ __________ __________.
Fill in the blank(s) with the appropriate word(s).
Case study:You have just admitted Mary Roberts, a 70-year-old woman, to the hospital for GI bleeding. Her blood pressure is 130/80, pulse 80/min and irregular, respirations 18/min, and temperature 99.2. Mrs. Roberts denies pain at this time, although she appears anxious and very pale. Her medical history includes lung cancer that was diagnosed two weeks ago, peptic ulcer disease with reflux esophagitis, and "fluid retention." Admission lab work shows a plasma Na+ of 152 mEq/L and K+ of 2.8 mEq/L.The increase in extracellular osmolality would cause
A. water to move into the cells. B. no change in the net movement of water into or out of the cells. C. water to move out of the cells.
A protein that is converted to an active enzyme is a ________.
A. pre-mRNA B. gene C. codon D. proenzyme E. ribosomal RNA (rRNA)
Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. How do you suppose these drugs work?
A. They prevent calcium from entering the sarcoplasmic reticulum of smooth muscle. B. They stimulate the calcium pump in smooth muscle, thus removing calcium from the calmodulin. C. They prevent calcium from exiting the sarcoplasmic reticulum in skeletal muscle. D. They prevent calcium from entering cardiac muscle, thus slowing down the heart rate. E. They prevent calcium from entering smooth muscle, thus allowing the muscle to relax.