Jacob Has Hypertension, for Which a Calcium Channel Blocker Has

question 14

Multiple Choice

Jacob has hypertension, for which a calcium channel blocker has been prescribed. This drug helps control blood pressure because it:

• A) Decreases the amount of calcium inside the cell
• B) Reduces stroke volume
• C) Increases the activity of the Na+/K+/ATPase pump indirectly
• D) Decreases heart rate

---

Definitions:

Item-total Correlation

The statistical relationship between a single test item and the total score on the test, used to assess the item's quality.

Consistency

in research refers to the reliability or stability of measurements over time, across different contexts, or when using various methods of assessment.

Construct Validity

The degree to which a test or instrument accurately measures the theoretical construct or trait it is intended to measure.

Predictive Validity

The construct validity of a measure is assessed by examining the ability of the measure to predict a future behavior.