A nursing student asks a nurse to clarify the differences between the mechanisms of spontaneous mutation and conjugation in acquired resistance of microbes. What will the nurse say?
a. Conjugation results in a gradual increase in resistance.
b. Conjugation results in random changes in the microbe's DNA.
c. Spontaneous mutation leads to resistance to only one antimicrobial agent.
d. Spontaneous mutation can transfer DNA from one organism to another.
ANS: C
Spontaneous mutation generally confers resistance to only one drug. Conjugation can occur quickly; spontaneous mutation is gradual. Spontaneous mutation is random; conjugation is not. Conjugation can occur with the transfer of DNA from one organism to another.
You might also like to view...
Which of the following lab values would be indicative of infection?
a. decrease in the pH of body fluids b. increased neutrophil and lymphocyte count c. negative cultures of involved body fluids d. normal leukocyte count with increased eosinophils
A student nurse is doing clinical hours at an OB/GYN clinic. The student is helping to develop a plan of care for a patient with gonorrhea who has presented at the clinic. The student should include which of the following in the care plan for this patient
A) The patient may benefit from oral contraceptives. B) The patient must avoid use of tampons. C) The patient is susceptible to urinary incontinence. D) The patient should also be treated for chlamydia.
A nurse is helping a client feed her newborn, who has a cleft lip and palate. Which of the following guidelines would the nurse include when teaching the client about feeding an infant with a cleft palate?
A) Placing the infant in the supine position B) Using special cleft palate nipples C) Reducing the size of the hole in the nipple D) Placing the Lamb's nipple over the defect
A father is discussing dietary needs for his son, who has a diagnosis of CHF. The nurse knows the father understands the dietary needs when he states:
1. "I can let my son have french fries once a week.". 2. "I will need to make sure he drinks eight 8-ounce glasses of water every day.". 3. "When having scalloped potatoes and ham for dinner, we should plan an alternative meal for my son.". 4. "I will need to give my child his diuretic at bedtime because food can interfere with the medication action.".