In persons with untreated diabetes mellitus all of the following are true, except
A) blood glucose levels are very high.
B) excessive thirst is shown.
C) glucose is present in the urine in large amounts.
D) a large excretion of urine occurs.
E) intracellular and tissue levels of glucose is very high.
E
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Glial cells differ from neurons in that they
A. are larger and capable of meiosis. B. are smaller and capable of mitosis. C. are found only in the CNS. D. are found only in the PNS. E. transmit nerve impulses much more slowly.
________ are pigment-producing cells in the epidermis.
Fill in the blank(s) with the appropriate word(s).
Salivary amylase is an enzyme produced by the salivary glands that breaks down carbohydrates. What will happen to this enzyme as it follows the food into the stomach where the pH drops to 2.5?
A) The enzyme will assume an alternate form and catalyze additional reactions. B) The enzyme will denature and become inactive. C) The enzyme will continue to function as it remains unchanged in chemical reactions. D) The enzyme will denature but retain its function.
Which of the following structures separates the lower lip from the chin?
A. Vermilion zone B. Tubercle C. Labial commissure D. Labiomental groove E. Nasolabial sulcus