By which process are fetal erythrocytes destroyed in hemolytic anemia of the newborn?
a. lysis of erythrocytes by cytotoxic T cells
b. lysis of erythrocytes by complement activation
c. clearance of antibody-coated erythrocytes by macrophages in the fetal spleen
d. lysis of erythrocytes by NK cells via antibody-dependent cell-mediated cytotoxicity
e. cytotoxicity caused by major basic protein released from eosinophils.
C
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Which of the following statements is FALSE?
A) The prefix tri- in the trade name of some oral contraceptive drugs indicates three phases. B) The trade name Ortho-Novum 10/11 indicates that this is a monophasic oral contraceptive drug. C) The oral contraceptive drug Seasonique only produces four menstrual periods each year. D) The first oral contraceptive pill was introduced in 1960.
Build a single medical term for each phrase below.
enlarged extremities
This risk of exposure to ultraviolet radiation includes heavy sweating, weakness, dizziness, headache, and nausea
A) Cataracts B) Heat stress C) Skin cancer D) Sunburn
Which of the following are bone-producing cells?
A. Osteoblasts B. Osteocytes C. Osteoclasts D. Osteobytes