The family of chemical messengers that causes the pain and discomfort of menstruation are ___________.
A) ADH
B) progesterones
C) prostaglandins
D) steroids
Ans: C) prostaglandins
You might also like to view...
An important difference between single -unit and multiunit smooth muscle is the
A) ability of single-unit fibers to change into multiunit fibers when advantageous. B) closely controlled individual fibers in single -unit smooth muscle to allow fine control and graded contractions by selective activation. C) longer actin and myosin filaments in multiunit smooth muscle, which allow coordination of contraction. D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
The cranial nerve that passes through the cribriform plate of the ethmoid bone is the ________ nerve.
A. trigeminal B. oculomotor C. optic D. olfactory E. abducens
The iliac crest extends from the anterior superior iliac spine to the
A. anterior inferior iliac spine. B. posterior inferior iliac spine. C. anterior gluteal line. D. posterior gluteal line. E. posterior superior iliac spine.
If the ECF's osmolarity increases,
a. water will shift from the ICF into the ECF b. water will not shift between the ECF and the ICF c. water will shift from the ECF into the ICF d. vasopressin secretion will decrease e. sodium excretion will decrease