What Hypothesis Were the Scientists Testing

question 45

Multiple Choice

What hypothesis were the scientists testing?

• A)Do defects in CFTR cause cholera
• B)Does defective CFTR make people more sensitive to cholera
• C)Does defective CFTR give people natural resistance to cholera
• D)Does cholera causes cystic fibrosis
• E)Does cholera increase the risk of transmission of cystic fibrosis

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Definitions:

Sympathetic Nervous System

The division of the autonomic nervous system that mobilizes the body’s resources during stress and emergencies, preparing the body for action.

Parasympathetic Nervous System

is a division of the autonomic nervous system responsible for rest and digest functions, conserving and restoring energy.

Autonomic Nervous System

The part of the nervous system responsible for the control of bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

Involuntary Muscles

Muscles that operate automatically without conscious control, such as the heart and muscles in the digestive system.