The walls of bones are composed of ________.
A) spongy bone
B) spicules
C) trabecular bone
D) cancellous bone
E) compact bone
Ans: E) compact bone
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Indicate whether this statement is true or false.
The __________ secretes several hormones that stimulate the development of lymphatic organs and regulates development and activity of T cells (white blood cells).
A. thyroid B. thymus C. adrenal gland D. spleen E. parathyroid
Why is it important to use an antibiotic other than ampicillin in the treatment of bacterial pneumonia?
A. Because antibiotics such as ampicillin destroy the cell walls of bacteria which cause a toxin to be released that will destroy cardiac muscle cells. B. Because antibiotics such as ampicillin cause the cells lining blood vessels to endocytose bacteria and deposit them in cardiac muscle tissue. C. Because antibiotics such as ampicillin are not effective in the treatment of bacterial pneumonia. D. Because antibiotics such as ampicillin destroy the cell walls of cardiac muscle cells.
Which of the following are hepatic phagocytic cells of the reticuloendothelial system?
A. Hepatocytes B. Merkel's cells C. Langerhans cells D. Kupffer cells