During anaerobic glycolysis
A) ATP is produced.
B) Pyruvic acid is produced.
C) Lactic acid is produced if pyruvic acid accumulates.
D) all of the above
E) A and B only
D) all of the above
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Your doctor suggests that you increase your calcium intake to maintain your healthy bones. You do not understand why the doctor suggested this since you are a healthy 32-year-old. What was the doctor's reasoning?
A) The doctor is afraid that you will fall and break a bone. B) The increased calcium intake will then increase your vitamin D blood level. C) Calcium intake will increase the activity of osteoblasts, causing more bone to be formed. D) You are at an age where calcium levels in the bone may start to subside, producing weaker bones later in life. E) As you get older you are more prone to arthritis, and calcium reduces that problem.
The order of the small intestinal segments from proximal (oral) to distal (aboral) is:
A) duodenum, ileum, cecum B) duodenum, ilium, jejunum C) duodenum, jejunum, ileum D) duodenum, ilium, colon E) duodenum, jejunum, ilium
A positive feedback system regulates testosterone production.
Answer the following statement true (T) or false (F)
Ito cells:
a. Are Amine Precursor Uptake and Decarboxylation (APUD) cells and release a product that regulates pancreatic secretory activity b. Are found mainly at the junction of bile canaliculi with bile ducts c. Are specialized columnar epithelial cells in the gallbladder d. Store large amounts of lipid and vitamin A e. Synthesize bile salts