The dependent variable is:
a. the variable that the researcher controls ormanipulates
b. the variable that the researcher has introduced.
c. the variable that varies or changes because ofanother variable.
d. the variable that does not change.
c
The dependent variable is the variable that alters when
the researcher manipulates or changes another (independent)
variable. For example, if a study was looking at the amount
of exercise needed before the heart rate increased by 40 bpm,
exercise would be the independent variable and the heart rate
would be the dependent variable.
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When the ICU nurse administers medications to a pediatric ICU patient, the dosage is based on the
A) child's gestational age. B) patient's vital signs. C) standard dosage chart for age. D) child's weight in kilograms.
Which is a common age-related physical change that may affect digestion and food intake?
a. Loss of the majority of taste buds b. Decreased motility in the esophagus c. Decreased cholecystokinin secretion d. Loss of smell
The symbol B on the periodic table stands for:
A. Beryllium B. Boron C. Barium D. Berkelium
The patient who is prescribed furosemide (Lasix) and digoxin (Lanoxin) reports using an over-the-counter antacid for recurrent heartburn. The nurse would assess for which result?
1. Hyponatremia 2. Hypermagnesemia 3. Increased effectiveness of furosemide (Lanoxin) 4. Decreased effectiveness of digoxin (Lanoxin)