Which of the Following Is Not True of Whooping Cough

question 20

Multiple Choice

Which of the following is not true of whooping cough?

• A)Secondary infections can occur during the convalescent phase
• B)Caused by a small gram-positive rod
• C)Incubation period is 3-21 days
• D)Coldlike symptoms are common for the paroxysmal stage
• E)An uncontrollable cough occurs during the paroxysmal stage

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Definitions:

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions. In biology, it often refers to differences across a membrane.

Carrier

A molecule or protein that transports substances across a cell membrane, or a person or animal that transmits a disease-causing agent without showing symptoms.

Mediated Transport

The process of moving molecules across a cellular membrane through the use of specific protein channels or carriers.

Carrier Molecules

Molecules that help transport substances across a cell membrane or within the body, similar in function to carrier proteins but can include a broader range of molecules.