Which of the following major events of prenatal development happens first?
A. Bone calcification begins.
B. The central nervous system begins to form.
C. The body is covered with downy hair.
D. Meconium accumulates in the intestines.
E. The eyes open fully.
Answer: B
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The gene that codes for the testis-determining factor (TDF) is found in or on the ________.
A. mesonephros B. gonadal ridges C. fetal testes D. X chromosome E. Y chromosome
________ is characterized by high blood pressure, high blood glucose level, fat accumulation on the trunk, fatigue, and edema.
A. Hyperthyroidism B. Hyperparathyroidism C. Cushing syndrome D. Addison disease E. Hypoparathyroidism
Atropine is a drug that can be used to dry up excess mucus secretions. What cells in mucous membranes are affected? Predict the effect of atropine on the functioning of mucous membranes
What will be an ideal response?
In which structure does fertilization usually occur?
A. Ovary B. Uterus C. Urethra D. Urinary bladder E. Uterine tube