Match the chemical signal with the appropriate description.A. Chemicals produced by neurons that function as hormonesB. Chemicals that act locally on nearby cellsC. Chemical secreted by presynaptic terminalD. Influences same cell type from which it is secretedE. Chemical secreted into blood by specialized cells; travels some distance to target tissuesAutocrine
Fill in the blank(s) with the appropriate word(s).
Answer: D
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Which of the following is incorrect pertaining to the sternum?
A) It may be surgically split in the median plane to gain access to the thoracic cavity. B) It may be used for a bone marrow biopsy. C) It may have a perforation (sternal foramen) that is sometimes the site of a pleural herniation, which is a life-threatening situation. D) In violent thoracic trauma (e.g., automobile accident), comminuted fractures are not uncommon. E) Its xiphoid process may partially ossify, producing a pronounced lump.
Which of the following is ONLY found associated with a child's bone?
A) diaphysis B) marrow cavity C) epiphyseal plate D) periosteum E) articular cartilage
In ovulation, after expelling the oocyte the follicle becomes a ________ and secretes ________
A) corpus albicans; progesterone B) corpus luteum; FSH and LH C) corpus albicans; FSH and LH D) corpus luteum; estrogen and progesterone E) corpus albicans; estrogen and progesterone
The disease called ________ is caused by excessive secretion of glucocorticoids, and is characterized by redistribution of body fat to produce the features known as "moon face" and "buffalo hump."
A. androgenital syndrome B. Cushing syndrome C. Addison disease D. Graves disease E. pheochromocytoma