Which of the following is NOT a result of the secretion of estrogens and progesterone?
A. Uterine cycle
B. Widening of the hips
C. Growth of the vocal cords
D. Growth of the uterus and breasts
Answer: C
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Before S of interphase, the genetic material in a cell exists as individual structures called ____: after G2 of interphase, the replicated genetic material consists of two structures called ____
Chromosomes...chromatids Histones... nucleosomes Chromatids .... Chromosomes Heterochromatin ... euchromatin
Diagnosis of an indirect inguinal hernia is determined when intestine protrudes lateral to the inferior epigastric artery through the abdominal body wall. During the phys- ical examination of a male patient, a physician will assess for an indirect hernia by inserting a finger in the scrotum and feeling for bowel that protrudes, as the patient is instructed to turn his head and cough. If an indirect inguinal hernia is present, the physician will most likely feel bowel at which of the following sites?
A. Anterior superior iliac spine B. Deep inguinal ring C. McBurney's point D. Pubic symphysis E. Superficial inguinal ring
Which lymphoid organ atrophies with age?
A) Thymus B) Lymph node C) Tonsil D) Spleen
What is the term for the exchange of gases between systemic capillaries and tissue cells?
A. Pulmonary ventilation B. Systemic gas exchange C. Aerobic respiration D. Alveolar gas exchange E. Gas transport