Air is forced into the lungs by the contraction of the
a. alveoli.
c. diaphragm.
b. bronchioles.
d. heart.

Which one of these patients requires oral care less frequently than every two hours? a two-year-old who is tube fed. an 26-year-old female who is unconscious. a 64-year-old patient with high cholesterol. an elderly male patient who is vomiting. read question

The dietary guidelines for americans recommend (a) avoiding smoking. (b) engaging in aerobic exercise for 60 minutes at least five days a week. (c) making all of your grain choices whole grains. (d) increasing your intake of fruits and vegetables.

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.b) most of the prophage genes are activated by the product of a particular prophage gene.c) the phage genome replicates along with the host genome.d) the phage dna is copied and exits the cell as a phage.