The corpus luteum
a. develops from the polar body after ovulation.
b. develops from the fertilized ovum through a process of division and differentiation.
c. develops from the ruptured follicle after ovulation.
d. of pregnancy is stimulated by estrogen and progesterone secretion from the placenta.
e. is sloughed during menstruation if fertilization does not occur.
C
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A) airway opening B) flexibility of the thoracic cage C) muscles of inspiration D) alveolar surface tension
When bone forms by intramembranous ossification, the ossification centers are within
A. mesenchyme. B. elastic cartilage. C. hyaline cartilage. D. compact bone. E. spongy bone.
The presence of renin secreting tumors may cause ________.
A. increased aldosterone secretion B. hypertension C. increased renal sodium reabsorption D. All of the choices are correct.
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A) urethra B) ureter C) urinary bladder D) kidney E) rectum