A System Has Two Components That Operate in Parallel, as Shown

question 21

Multiple Choice

A system has two components that operate in parallel, as shown in the following diagram. Because the components operate in parallel, at least one of the components must function properly if the system is to function properly. The probability of failure for components 1 and 2, during one period of operation, is 0.2 and 0.03, respectively. Let F1 denote the event that component 1 fails during one period of operation and F2 denote the event that component 2 fails during one period of operation. The component failures are independent. The event corresponding to the above system functioning properly during one period of operation is:

• A)F1 and F2.
• B)F1 or F2.
• C)not F1 or not F2.
• D)not F1 and not F2.

Understand the effects and societal impact of the abuse of opioids in the United States.

Recognize the legality and societal viewpoints on cannabis use in the United States.

Identify substances based on their street names and effects.

Describe the physiological and perceptual effects of different classes of drugs, including stimulants, depressants, opioids, and hallucinogens.

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Definitions:

Aversive Feelings

Negative feelings that often lead to avoidance behavior, these can include emotions such as disgust, fear, or hatred towards specific stimuli or situations.

Habituation

The process of becoming accustomed to a stimulus or environment over time, leading to a decrease in responsiveness.

Fear-Producing Stimuli

Objects, situations, or cues that elicit a fear response or anxiety in individuals, relevant in studies of phobias and anxiety disorders.

PTSD

Post-Traumatic Stress Disorder, a mental health condition triggered by experiencing or witnessing a traumatic event, resulting in severe anxiety, flashbacks, and uncontrollable thoughts.