Action mechanism of methotrexate is:
A. Inhibition of dihydrofolate reductase
B. Activation of cell differentiation
C. Catabolic depletion of serum asparagine
D. All of the above
Ans: A. Inhibition of dihydrofolate reductase
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When responding to the question, "Will I produce enough milk for my baby as she grows and needs more milk at each feeding?" the nurse should explain that:
a. the breast milk will gradually become richer to supply additional calories. b. as the infant requires more milk, feedings can be supplemented with cow's milk. c. early addition of baby food will meet the infant's needs. d. the mother's milk supply will increase as the infant demands more at each feeding.
Why are cool-mist vaporizers rather than steam vaporizers recommended in the home treatment of respiratory infections?
a. They are safer. b. They are less expensive. c. Respiratory secretions are dried by steam vaporizers. d. A more comfortable environment is produced.
Which of the following women requires the least amount of protein?
A) 23-year-old pregnant woman B) 40-year-old secretary C) 19-year-old breastfeeding woman D) 35-year-old weightlifter
A process that regards human beings as "stuff" to care about rather than knowledgeable participants of care is
A. Continuous knowing. B. Objectification. C. Substantiation. D. Participation.