The two most common causes of hospital-acquired pneumonia in the United States are
a. Staphylococcus aureus and Pseudomonas aeruginosa
b. Escherichia coli and Haemophilus influenzae
c. methicillin-resistant Staphylococcus aureus and Pseudomonas aeruginosa
d. Klebsiella spp. and Enterobacter spp.
C
Pathogens that can cause health care-associated pneumonia are similar to those causing both community- and hospital-acquired pneumonia (HAP) with Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA) being the most common in the United States. Pathogens that can cause HAP include Escherichia coli, Haemophilus influenzae, methicillin-sensitive Staphylococcus aureus, Streptococcus pneumoniae, P. aeruginosa, Acinetobacter baumannii, MRSA, Klebsiella spp., and Enterobacter spp.
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While teaching a preconception class, the nurse should include which of the following recommendations to decrease the risk of neural tube defects?
1. 500 mg vitamin C every day 2. 0.4 mg folate every day 3. 1,500 mg calcium every day 4. 600 mg vitamin A every day
A resident's eyes are wide open and the eyebrows are raised. The person's mouth is tense with the lips turned back. These facial expressions most likely mean:
a. Coldness b. Fear c. Disgust d. Tiredness
A client is prescribed losartan (Cozaar). The nurse teaches the client that an angiotensin II receptor blocker (ARB) acts by doing what?
a. Inhibiting angiotensin-converting enzyme b. Blocking angiotensin II from AT1 receptors c. Preventing the release of angiotensin I d. Promoting the release of aldosterone
A 35-year-old male is diagnosed with a hormone-secreting tumor of the adrenal medulla. He ex-periences elevated blood pressure and increased anxiety. Which of the following hormones is the predominant one released by the tumor?
a. Antidiuretic hormone b. Acetylcholine c. Norepinephrine d. Cortisol