Question 1
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of the following accomplish this task?
◦ the rugae and haustra
◦ Brunner's glands and Peyer Patches
◦ the vast array of digestive enzymes
◦ villi, and microvilli
Question 2
Select the statement that is true concerning primary teeth.
◦ There are 20 primary teeth, and by 24 months of age most children have all 20.
◦ There are 32 primary teeth, and by 36 months of age, most children have all 32.
◦ There are 24 primary teeth, and no new primary teeth appear after 13 months.
◦ There are 27 primary teeth, and the molars are permanent.