Patients with diabetes mellitus have frequent urination and increased thirst because
A. an increase in sodium ions causes more nerve stimulation and triggers urination.
B. more salt is reabsorbed at the proximal convoluted tubule.
C. less water passes from the glomerulus to the glomerular capsule.
D. increased glucose in the urine increases its osmolarity and less water is reabsorbed by blood.
E. more water is driven from the glomerulus to the glomerular capsule than normal.
Answer: D
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A) to secrete water into the large intestine B) to reabsorb water from the large intestine C) to regulate solute transport from the feces to the body D) to release hormones involved in regulating digestive processes of the large intestine
The leaf of a plant is
A. a molecule. B. an organism. C. an organ. D. an organelle. E. a cell.
Koch's postulates are easily satisfied for viral diseases.
Answer the following statement true (T) or false (F)
A large increase in exercise (say hiking for 20 miles a day for a week) requires _______________.
a. an increase in oxygen delivery to the muscles b. an increase in nutrient delivery to the muscles c. an increase in ATP levels in the muscles d. a and b are correct e. a, b, and c are correct