Phenytoin Requires a Trough Level Be Drawn

question 8

Multiple Choice

Phenytoin requires a trough level be drawn.Peak and trough levels are done:

• A) When the drug has a wide therapeutic range
• B) When the drug will be administered for a short time only
• C) When there is a high correlation between the dose and saturation of receptor sites
• D) To determine if a drug is in the therapeutic range

---

Definitions:

Stock Split

A corporate action where a company divides its existing shares into multiple shares, effectively reducing the price of individual shares without changing the overall market capitalization.

Shares Outstanding

The total number of shares of a corporation's stock that are currently owned by all its shareholders, including share blocks held by institutional investors and restricted shares.

Buy Back

An agreement where a seller commits to repurchase the product from the buyer after a specified period or under certain conditions.

Shares Outstanding

The total number of shares of a corporation that are owned by shareholders, including those held by institutional investors and restricted shares held by company insiders.