Which bone is in direct contact with the first metatarsal?
A) lateral cuneiform
B) calcaneus
C) cuboid
D) medial cuneiform
D
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A hormone is a ______ and the target cell is __________
A) regulatory molecule that controls secretions of other cells; a cell that synthesizes hormones B) molecule that has a metabolic effect on another cell; a cell that has receptors for specific hormones C) protein that stimulates other cells; the source of hormone secretions D) molecule; a cell that does not have receptors
Answer the following statements true (T) or false (F)
1. Tubular secretion is effective in controlling blood pH. 2. The trigone is so named because of the shape of the urinary bladder. 3. Atrial naturetic peptide inhibits sodium reabsorption. 4. The macula densa cells are chemoreceptors that respond to changes in the urea content of the filtrate. 5. Blood in the urine may be a symptom of bladder cancer.
The first human vaccination developed by Jenner was
a. for smallpox b. for anthrax c. used inoculum from sheep d. both a and b e. both a and c
The condition characterized by overproduction of erythrocytes is called
A. anemia. B. leukemia. C. hemophilia. D. thalassemia. E. erythrocytosis.