Armand Has Entered a Heroin Treatment Program

question 59

Multiple Choice

Armand has entered a heroin treatment program.How long after his last use will he experience the worst withdrawal symptoms?

• A)4-6 hrs
• B)6-10 hrs
• C)10-24 hrs
• D)24-72 hrs

---

Definitions:

Vascular Cambium

A layer of meristematic tissue in plants that produces vascular tissues, contributing to the thickness growth of stems and roots.

Secondary Xylem

The part of the xylem that is formed after the plant's initial growth, contributing to the thickening of the plant stem.

Primary Phloem

The part of the plant's vascular system that conducts sugars and other metabolic products downward from the leaves.

Cork Cambium

Cork cambium is a layer of meristematic tissue in plants that produces cork cells to protect and waterproof the plant.