These muscles extend from the pubis and ischium anteriorly to the sacrum and coccyx posteriorly. They control the evacuation of waste materials from the digestive and urinary systems.
A. Muscles of the pharynx
B. Muscles of the abdominal wall
C. Muscles of the pelvic floor
D. Muscles of the vertebral column
E. Muscles of the perineal floor
Answer: C
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All of the following are bones of the wrist EXCEPT the ________
A) medial cuneiform B) scaphoid bone C) trapezium D) hamate
The tectospinal tract is part of the medial pathway, which is an indirect motor pathway.
Answer the following statement true (T) or false (F)
Osteoporosis is
A. bone inflammation that often results from bacterial infection. B. a disease in adults characterized by softening of bones resulting from calcium depletion. C. a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development. D. a disease in adults, especially women, characterized by a reduced amount of bone matrix. E. a disease in children characterized by soft, bowed, and swollen bones.
Embryonic development begins at the start of the ________ week after fertilization.
A. first B. third C. fourth D. second