Ovulation is triggered by
A. low levels of estrogen.
B. high levels of LH.
C. low levels of FSH.
D. high levels of progesterone.
Answer: B
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Which region(s) of the pharynx is lined by pseudostratified ciliated columnar epithelium?
A. Oropharynx B. Nasopharynx C. Laryngopharynx D. Oropharynx and nasopharynx E. Oropharynx, nasopharynx, and laryngopharynx
The trigone of the bladder:
A) forms the boundaries of the internal urethral orifice. B) is a slight elevation of the internal posterior wall produced by the prostate. C) is the internal area demarcated by the internal urethral and ureteric orifices. D) is the extraperitoneal part of the external surface. E) is synonymous with the apex.
The wrist joint can exhibit adduction and eversion movements
Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
1. The major stimulus for production of intestinal fluid is distention or irritation of the intestinal mucosa by hypertonic or acidic chyme. 2. Most nutrients are absorbed through the mucosa of the intestinal villi by active transport. 3. Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. 4. Mumps is an inflammation of the parotid glands caused by myxovirus. 5. Fats significantly delay the emptying of the stomach.