One of the Common Intravenous Fluids, Called Physiological Saline, Is

question 55

Multiple Choice

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline (Given: density of physiological saline = 1.005 g/cm³)

• A) 2.0 g
• B) 4.0 g
• C) 5.1 g
• D) 508 g
• E) 400 g

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Definitions:

Wilcoxon Rank Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their population mean ranks differ.

Level Of Significance

A threshold in statistical hypothesis testing, determining the probability of rejecting the null hypothesis when it is actually true, often denoted by alpha (α).

Standardized Test

An assessment administered and scored in a consistent, or "standard", manner, often used in education to measure proficiency.

Programs

Sequences of instructions for a computer to execute tasks, also known as software.