The pH scale measures the
A) number of molecules of salts dissolved in water.
B) number of hydroxide ions in water.
C) concentration of hydrogen ions in solution.
D) strength of an electrical current that a solution carries.
C
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The type of cells that form the strata in the epidermis are
A) adipocytes. B) keratinocytes. C) fibroblasts. D) melanocytes. E) dendritic cells.
The epidermis is about ___ mm thick and the dermis is about ___ mm thick
A) 1.0 to 2.0; 0.07 to 0.12 B) 0.01 to 0.10; 0.10 to 1.0 C) 3.0 to 4.0; 5.0 to 6.0 D) 0.07 to 0.12; 1.0 to 2.0
Glycogen in an adult's liver and muscles provides enough reserve energy to meet energy
demands for about 12 hours. Indicate whether the statement is true or false
Which of the following pairings of brain wave names and descriptions is paired correctly?
A) Beta waves - Predominance of these may indicate emotional stress B) Theta waves - Absent during deep sleep C) Delta Waves - Predominance of these may indicate serious brain damage in an adult D) Alpha waves - Are greatest during sensory stimulation