The distal ends of the metacarpal bones II - V form the ________ joints.
A. PIP
B. HA
C. IP
D. DIP
E. MP
Answer: E
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During endochondral bone formation, the secondary ossification center never begins to form. What will the developing bone look like?
A. The bone will remain in its cartilaginous model form. B. The ends (epiphyses) of the bone will remain cartilaginous during development until adulthood, when the cartilage will ossify. C. The bone will remain cartilaginous in the middle (the diaphysis) until adulthood, when the cartilage will ossify. D. No epiphyseal plate will exist between the two formed ossification centers.
During the excitement phase of the female sexual response, the uterus shifts to a more ________ position.
A. anteverted B. erect
Which of the following statements concerning the micturition reflex is false?
A. Afferent signals are conducted to the sacral segments of the spinal cord by the pelvic nerves. B. The micturition reflex is modified by centers in the pons and cerebrum. C. Efferent signals are sent to the bladder by sympathetic fibers in the pelvic nerve. D. The micturition reflex is initiated by stretching the bladder wall. E. The micturition reflex usually produces a series of contractions of the urinary bladder.
Which of the following is not a use of x-ray imaging?
A. Vertebrae fractures B. Upper digestive tract abnormalities following barium ingestion C. Brain tumor progression D. Breast cancer screening in mammography