Which of the following major events of prenatal development happens first?
A) Bone calcification begins
B) The central nervous system begins to form
C) Meconium accumulates in the intestines
D) The eyes are fully open
E) The body is covered with lanugo
B
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Jill is Rh negative. Her first baby was Rh negative. She is pregnant again, but the baby is Rh positive. Without medical treatment, will her antibodies attack the baby's blood?
A) Yes B) No C) Probably not since her first child is Rh negative D) Probably yes since her first child is Rh negative
Cellular (cell-mediated) immunity is effective against __________.
A. allergens B. venoms C. cancer cells D. extracellular viruses E. toxins
Which of the following is not under dual control of the ANS?
A. Heart rate B. Salivary gland activity C. Gastrointestinal motility D. Adrenal medulla activity E. Pupil diameter
What is the study of the glands, tissues and cells that secretes hormones called?
a) endocrinology b) chemistry c) cytology d) hormonology