Okay, let's tackle this question step by step. The question is asking for another name for glucose. First, I need to recall the different names and synonyms for glucose. Glucose is a simple sugar, a monosaccharide, and has several alternative names in biochemistry.

The core concept here is the nomenclature of carbohydrates, specifically monosaccharides. Glucose is a hexose sugar, meaning it has six carbon atoms. It's also known as dextrose because it rotates plane-polarized light to the right (dextrorotatory). Another term might be grape sugar, as it's found in grapes, but that's more of a common name. The other options in the question are missing, but typical distractors could be fructose, sucrose, galactose, or others.

The correct answer should be dextrose. Let me confirm: glucose is indeed called dextrose in some contexts, especially in pharmaceutical or medical terminology. For example, dextrose is used in intravenous solutions. Fructose is another monosaccharide but is different from glucose. Sucrose is a disaccharide composed of glucose and fructose. Galactose is another monosaccharide found in lactose.

Now, the incorrect options. If one of the options is fructose, that's incorrect because it's a different sugar. Sucrose is a disaccharide, not another name for glucose. Galactose is a different monosaccharide. Maltose is a disaccharide made of two glucose units, so that's also incorrect.

The clinical pearl here is that dextrose is the term often used in medical settings for glucose, especially in IV solutions. Students should remember that dextrose and glucose are the same, to avoid confusion with other sugars like fructose or galactose.

So, the correct answer is dextrose. Let me structure the explanation accordingly.

**Core Concept**
Glucose is a monosaccharide and the primary source of cellular energy. Its synonyms include **dextrose** due to its dextrorotatory optical activity. Biochemically, glucose is a six-carbon aldohexose (C₆H₁₂O₆), central to glycolysis and ATP production.

**Why the Correct Answer is Right**
**Dextrose** is an alternative name for glucose, derived from its dextrorotatory property when polarized light passes through its solution. Clinically, dextrose is used in IV solutions (e.g., D5W) to denote 5% glucose in water. Structurally, it is identical to glucose, differing only in nomenclature.

**Why Each Wrong Option is Incorrect**
**Option A:** *Fructose*—A different monosaccharide (ketohexose), not a synonym for glucose.
**Option B:** *Sucrose*—A disaccharide composed of glucose + fructose.
**Option C:** *Galactose*—A hexose sugar found in lactose, structurally distinct from glucose.
**Option D:** *Maltose*—A disaccharide of two glucose units, not a monosaccharide.

**Clinical Pearl / High-Yield Fact**
Remember: **Dextrose = Glucose** in

✓ Correct Answer: B. Dextrose