4. While hiking, Sarah notices that her heart rate increases significantly as she climbs a steep hill. Which biological psychology concept would be involved in automatically adjusting her body's internal state due to the increased physical demand?
Answer: C
Homeostasis is the concept involved in automatically adjusting Sarah's body's internal state due to increased physical demand.
Homeostasis refers to the body's ability to maintain stable internal conditions, such as heart rate and temperature, despite external changes. As Sarah climbs a steep hill, her body responds to the increased physical demand by adjusting her heart rate to ensure adequate blood flow and oxygen delivery.
A) Neuroplasticity
Neuroplasticity is the brain's ability to reorganize itself by forming new neural connections. While it plays a crucial role in learning and memory, it does not directly relate to the immediate physiological adjustments Sarah's body makes while hiking.
B) Cognitive dissonance
Cognitive dissonance refers to the mental discomfort experienced when holding two contradictory beliefs or attitudes. This psychological concept does not pertain to the physiological changes Sarah experiences while climbing, as it focuses on belief systems rather than bodily responses.
C) Homeostasis
Homeostasis is the correct answer because it encompasses the automatic adjustments that Sarah's body makes to maintain stable internal conditions, such as an increased heart rate to meet the demands of physical activity. This concept is critical in understanding how the body responds to stressors like exercise.
D) Neurotransmitter reuptake
Neurotransmitter reuptake is a process in which neurotransmitters are reabsorbed by the neuron that released them. While this process is relevant to brain function and communication, it does not directly involve the physiological adjustments made by Sarah's body during her hike.
Conclusion
Homeostasis is the definitive concept that explains how Sarah's body automatically adjusts its internal state in response to increased physical demands, such as climbing a steep hill. The other options—neuroplasticity, cognitive dissonance, and neurotransmitter reuptake—do not address the physiological aspects involved in maintaining stability during such activities, making them incorrect in this context.