Muscle tone is the small amount of tautness or tension in the muscle due to weak, involuntary contractions of its motor units
Indicate whether the statement is true or false
TRUE
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The diaphragm receives help from the ________ muscles in the activity of breathing.
A. pleural B. thoracic C. accessory D. respiratory
The organ that provides mechanical protection and nutritional support for the developing embryo is the
A) vagina. B) uterine tube. C) ovary. D) uterus. E) cervix.
A 38-year-old man with a history of "heartburn" suddenly experiences excruciating pain in the epigastric region of his abdomen. Surgery is performed immediately, and evidence of a perforated ulcer in the posterior wall of the stomach is noted. Stomach contents that have seeped out will most likely be found in which of the following structures?
A. Between the parietal peritoneum and the posterior body wall B. Greater peritoneal sac C. Ischioanal fossa D. Lesser peritoneal sac E. Paracolic gutter
On the os coxae, the ischial ramus is fused to the
A. superior pubic ramus. B. ischial body. C. inferior pubic ramus. D. pubic tubercle. E. ischial spine.