Rh immunoglobin (Rho-Gam) is used to prevent hemolytic disease of the newborn; it contains
A. A-positive blood cells.
B. Rh-antigens.
C. anti-Rh antibodies.
D. B-positive plasma.
Answer: C
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The skeleton of the heart consists of
A. fibrous connective tissue in the endocardium. B. fibrous connective tissue encircling the atrioventricular orifices. C. bone within the interatrial septum. D. bone within the myocardium.
An embryo with a genital tubercle, urethral folds, and urethral groove must be
A) seven weeks old. B) nine weeks old. C) under seven weeks old. D) unable to determine the age.
Approximately how much blood is pumped from each ventricle during the ventricular ejection phase?
What will be an ideal response?
Individuals suffering from acquired immune deficiency syndrome have decreased numbers of circulating ________.
A. B lymphocytes B. macrophages C. regulatory T lymphocytes D. helper T lymphocytes