From a study, the values collected for a variable are: 15, 9, 8, 5, 8, 3, 7, 2. What is the mean?
a. 9
b. 10
c. 7
d. 4
Answer: c. 7
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Amoxicillin 250 mg is ordered for a child
The pharmacy supplies the drug in a suspension form. The label reads 500 mg/5 mL. The nurse would administer _____ mL.
The mother of an infant with multiple anomalies tells the nurse that she had a viral infection in the beginning of her pregnancy. Which viral infection is associated with fetal anomalies?
a. Measles b. Roseola c. Rubella d. Herpes simplex virus (HSV)
In a patient who is hemodynamically stable, which procedure can be used to estimate the PaCO2 levels?
a. PaO2/FIO2 ratio b. A-a gradient c. Residual volume (RV) d. End-tidal CO2
The statistical procedure that controls for the influence of extraneous variables on the dependent variable is:
A) Simple linear regression B) Factor analysis C) Analysis of covariance D) Life table analysis