Which combining form means shape?
a. morph/o
b. gynec/o
c. immun/o
d. rhin/o
Answer: a. morph/o
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Compare and contrast the differences in requirements between both organizations.
What will be an ideal response?
During a primary immune response IgM sometimes switches to IgE. Which of the following best describes the consequence of this early switch?
a. The B cell would switch again to IgG3. b. The B cell would remain in the germinal center but would not differentiate into a plasma cell. c. The B cell would die by apoptosis. d. The IgE produced would have low affinity for antigen.
A 41-year-old male client is planning on having a vasectomy. While explaining this surgery to the client, the health care worker will include which physiologic principle as the basis for this contraception technique?
A) "Spermatogenesis is inhibited because sex hormones no longer stimulate the Sertoli cells." B) "Spermatozoa can no longer reach the epididymis and do not survive." C) "The rete testis becomes inhospitable to sperm." D) "Sperm can no longer pass through the ductus deferens."