Rickets is
A. bone inflammation that often results from bacterial infection.
B. a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development.
C. a disease in children characterized by soft, bowed, and swollen bones.
D. a disease in adults, especially women, characterized by a reduced amount of bone matrix.
E. a disease in adults characterized by softening of bones resulting from calcium depletion.
C
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HIV weakens the immune system by
A) overwhelming it with infection. B) destroying antibodies. C) attacking T cells. D) attacking B cells. E) All of the answers are correct.
Which of the following is a byproduct of neonatal hypothyroidism?
a. elevated BMR b. elevated body temperature c. Grave's disease d. cretinism e. type I diabetes mellitus
The lub-dup heart sounds heard during auscultation of the heart are associated with:
A. the SA node firing. B. the heart valves opening. C. the heart valves closing. D. blood flowing from the atria to the ventricles.
When multiple graded potentials combine their effects on a cell to produce a response, the process is called ___.
Fill in the blank(s) with the appropriate word(s).