Which of the following situations could result in maternal antibodies attacking fetal blood cells during a second pregnancy?
a) Mom is Rh negative and fetus is Rh negative
b) Mom is Rh negative and fetus is Rh positive
c) Mom is Rh positive and fetus is Rh negative
d) Mom is Rh positive and fetus is Rh positive.
b
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The ________ is the base, or floor, of the mouth.
A. tongue B. soft palate C. labia D. hard palate
Each hemoglobin molecule can transport two molecules of oxygen
Indicate whether the statement is true or false
In males and females, the process of arousal is under the control of
A) the parasympathetic nervous system. B) the sympathetic nervous system. C) both the parasympathetic and sympathetic nervous systems. D) the central and sympathetic nervous systems. E) the central nervous system only
Cycles of physiological activity that follow a 24-hour pattern are called ________.
A. psychological rhythms B. cerebral rhythms C. circadian rhythms D. biomimetic rhythms