Which of the Following Is an Endothermic Process

question 103

Multiple Choice

Which of the following is an endothermic process?

• A)work is done by the system on the surroundings
• B)heat energy flows from the system to the surroundings
• C)work is done on the system by the surroundings
• D)heat energy is evolved by the system
• E)none of the above

---

Definitions:

Acetylcholine

A neurotransmitter involved in many functions including muscle contraction, arousal, and memory formation.

Norepinephrine

A neurotransmitter and hormone, involved in the body's response to stress, increasing heart rate, blood pressure, and blood sugar levels.

Dopamine

A neurotransmitter involved in many functions, including motivation, reward, attention, and the regulation of movement and emotional responses.

Serotonin

A neurotransmitter that plays a key role in regulating mood, anxiety, appetite, and sleep, among other functions.