A young pregnant woman went to a childbirth class and the instructor informed them about strengthening the muscles of the pelvic floor. What are these muscles?
What will be an ideal response?
The levator ani and coccygeus muscles form the bulk of the pelvic diaphragm (pelvic floor). Strengthening these muscles helps in the delivery of the child by resisting downward forces when "pushing."
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Which structure regulates the amount of light entering the eyeball through the pupil?
a) Retina b) Cornea c) Iris d) Choroid e) Ciliary muscle
On day 14 of a typical 28 day menstrual cycle, LH concentration in the blood will be ________. The endometrium will be ________. Estrogen concentration in the blood is ________
A. level; sloughing off; low B. at or near a peak; near the end of the proliferative phase; relatively high C. low but rising; in the secretory phase; high D. at or near a peak; in the secretory phase; low E. level; starting the proliferative phase; level but high
The esophagus
A. contains both smooth and skeletal muscle fibers. B. secretes digestive enzymes from its mucosa. C. is located anterior to the trachea. D. is lined with pseudostratified ciliated columnar epithelium. E. opens to the stomach at the pyloric sphincter.
Red pulp of the spleen is most concerned with _______, while white pulp is most concerned with _________.
A. immunity; new red blood cell formation B. filtering lymph; T lymphocyte formation C. blood filtering; immunity D. urine formation; blood filtering