Illinois CNA State Practice Exam

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What does the root "Gluc(o)" refer to?

Sweetness
Blood
Sugar
Kidney

The correct answer is: Sweetness

The root "Gluc(o)" refers to sweetness. It is derived from the Greek word "glukus" which means sweet. This root is commonly used in medical terms related to sugar or sweetness in the body, such as glucose and hypoglycemia. Option B, blood, is incorrect because the root for blood is "hemo" or "hem" as in the word "hematology". Similarly, option D, kidney, is incorrect as the root for kidney is "nephr-" (from the Greek word "nephros"). Option C, sugar, may seem like a possible answer since sugar can be considered sweet, but the root for sugar is actually "sacchar-", as in the word "saccharide". In contrast, "gluco-" or "gluc-", specifically refers to the sweetness or sweetness-inducing properties of substances.