Starting at the spinal cord, the subdivisions of the brachial plexus are (in order) ________
A) divisions, roots, trunks, and cords
B) trunks, divisions, cords, and roots
C) roots, divisions, cords, and trunks
D) roots, trunks, divisions, and cords
D
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Why is early closure of the fontanels sometimes associated with mental retardation?
A. The cranial nerves are compressed. B. The spinal cord does not develop properly. C. The brain cannot grow normally. D. The meninges do not attach properly to the skull. E. The skull is asymmetrical.
The parasite Plasmodium, which causes malaria, is a
A) Protist. B) Virus. C) Bacteria. D) Nematode.
The functional unit of the kidney is the __________.
Fill in the blank(s) with the appropriate word(s).
Given the following forces acting at a given point across the capillary wall, what type of fluid movement will be taking place at that point? Capillary blood pressure = 32 mm Hg Blood-colloid osmotic pressure = 23 mm Hg Interstitial-fluid hydrostatic pressure = 1 mm Hg Interstitial-fluid-colloid osmotic pressure = 0 mm Hg
a. Ultrafiltration will occur with a net outward pressure of 8 mm Hg. b. Ultrafiltration will occur with a net outward pressure of 10 mm Hg. c. Ultrafiltration will occur with a net outward pressure of 56 mm Hg. d. Reabsorption will occur with a net inward pressure of 24 mm Hg. e. Reabsorption will occur with a net inward pressure of 10 mm Hg.