All of the Following Statements About Biological Transmission Are True

question 4

Multiple Choice

All of the following statements about biological transmission are true except

• A) The pathogen reproduces in the vector.
• B) The pathogen may require the vector as a host.
• C) The pathogen may enter the host in the vector's feces.
• D) Houseflies are an important vector.
• E) The pathogen may be injected by the bite of the vector.

---

Definitions:

Energy Density

The number of calories in a specific weight of food, indicating how energy-dense food is. Foods with high energy density have more calories per gram, while those with low energy density have fewer calories.

Nutrient Density

A measure of the nutrients provided by a food relative to its calorie content, emphasizing foods that are rich in vitamins, minerals, and other beneficial components with fewer calories.

Kilocalorie

A unit of energy often used in nutrition to quantify the energy content in food, equivalent to 1,000 calories.

Essential Nutrient

Nutrients required for normal body functioning that cannot be synthesized by the body and must be obtained from the diet.