Which Type of Bacterial Toxin Is Matched Incorrectly with Its

question 22

Multiple Choice

Which type of bacterial toxin is matched incorrectly with its description?

• A) type 3 exotoxin: bind to a membrane receptor then enter the cell
• B) toxemia: a toxin produced during a viral infection
• C) endotoxin: enters the bloodstream during infection with Gram- negative bacteria
• D) type 1 exotoxin: bind to the targeted host cell at a membrane receptor but do not enter the cell
• E) type 2 exotoxin: disrupt and damage the host cell membrane leading to cell lysis

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Definitions:

Contribution Margin

The difference between the sales revenue of a product and its variable costs, used to cover fixed costs and generate profit.

Sales Revenues

The total amount of money generated from sales of goods or services before any expenses are subtracted.

Variable Costs

Costs that vary directly with the level of production or sales volume, such as raw materials and packaging.

Scattergraph Method

A statistical tool used to plot data points on a graph to identify potential trends, often used in cost accounting to analyze variable costs against a level of activity.