Vitamin C is essential for normal collagen synthesis. If a child suffered from a vitamin C deficiency, which layer of the skin would be most affected?
A. epidermis
B. stratum basale
C. stratum corneum
D. stratum granulosum
E. reticular layer of dermis
E
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The following is a list of the blood vessels that carry blood to the kidney
1. afferent arteriole 2. arcuate artery 3. interlobar artery 4. renal artery 5. glomerulus 6. cortical radiate artery 7. efferent arteriole 8. peritubular capillary What is the proper order in which blood passes through these vessels? A) 4, 6, 2, 3, 1, 5, 7, 8 B) 4, 3, 2, 6, 1, 5, 7, 8 C) 4, 3, 2, 6, 7, 5, 1, 8 D) 4, 6, 2, 3, 7, 5, 1, 8 E) 4, 3, 6, 2, 1, 5, 7, 8
There is a total of ________ deciduous teeth and ________ permanent teeth.
A. 22; 34 B. 20; 32 C. 24; 36 D. 20; 36
Red blood cells placed in a hypotonic solution will ________
A) lose water and undergo hemolysis B) gain water and undergo hemolysis C) gain water and undergo crenation D) lose water and undergo crenation
Skeletal muscle is called ________, because it is usually subject to conscious control.
A. contractile B. striated C. excitable D. isometric E. voluntary