In Which One of the Following Situations Do We Definitely

question 120

Multiple Choice

In which one of the following situations do we definitely have a problem with the reliability of a classroom assessment?

• A)Ms.Arthur assesses her students' overall physical fitness on Monday; she then assesses it again the following Monday.Students who perform well one week are not the same ones who perform well the following week.
• B)Ms.Benavidez uses a test of mechanical aptitude to determine which students are ready for her physics class.She finds out later that the students who scored worst on the mechanical aptitude test are some of the best students in physics.
• C)Ms.Candelaria tells students to study Chapter 14 but mistakenly gives them a test over Chapter 15 instead.
• D)For her class of 35 students, Ms.D'Amato devises a test that must be given to students one at a time and requires two hours for each student.

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Definitions:

Distal Convoluted Tubule

A portion of the nephron in the kidney responsible for the reabsorption of water, sodium, and calcium and the regulation of pH and electrolyte concentration.

Sympathetic Stimulation

Activation of the sympathetic nervous system, leading to responses such as increased heart rate, dilation of airways, and mobilization of energy stores.

Glomerulus Filtration Rate

Glomerulus Filtration Rate (GFR) is a test used to check how well the kidneys are functioning by estimating how much blood passes through the glomeruli each minute.

Afferent Arterioles

Small blood vessels that carry blood toward the nephrons in the kidney, regulating blood pressure and filtration rate by constricting or dilating.