Select the statement that is true concerning primary teeth.
A) There are 27 primary teeth, and the molars are permanent.
B) There are 24 primary teeth, and no new primary teeth appear after 13 months.
C) There are 20 primary teeth, and by 24 months of age most children have all 20.
D) There are 32 primary teeth, and most children lose these teeth due to decay because they are never very strong.
C) There are 20 primary teeth, and by 24 months of age most children have all 20.
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Cells use up to 40% of their daily energy expenditure engaged in what important process?
A) active transport B) endocytosis C) exocytosis D) facilitated diffusion
The ________ pulp of the spleen forms cuffs around the central arteries.
Fill in the blank(s) with the appropriate word(s).
When intra-alveolar pressure becomes greater than atmospheric pressure,
a. air will flow out of the lungs. b. air will flow into the lungs. c. there will be no air flow. d. both (a) and (b) above. e. none of these answers.
You are a pediatrician. You have a young patient who does not seem to be growing. You suspect that there might be stress in the home. You decide to perform a blood test for cortisol and expect to find
A. high plasma cortisol levels have led to overall state of catabolism. B. high plasma cortisol levels have led to an increased skeletal muscle metabolic rate, there are no nutrients left for growth. C. high plasma cortisol levels have led to a decrease in blood calcium levels. D. high plasma cortisol levels have led to a decrease in available fuel in the bloodstream. E. None of these answers are correct.