Question

The fact that epinephrine has no apparent effect on energy consumption unless the thyroid hormones are present in normal concentrations is an example of a

A) Synergistic effect
B) Antagonistic effect
C) Feedback loop
D) Hormonal cascade

Answer 1

The interaction between epinephrine and thyroid hormones that results in an amplified response is an example of a synergistic effect in hormonal interactions.

Step-by-step explanation:

The fact that epinephrine has no apparent effect on energy consumption unless the thyroid hormones are present in normal concentrations is an example of a Synergistic effect. This occurs when two hormones with similar effects produce an amplified response when they are both present. The thyroid hormones, primarily T3 and T4, can increase the effect of catecholamines such as adrenaline, which is crucial for the body's fight-or-flight response. Hormonal crosstalk, such as the interaction between thyroid hormones and adrenaline, is essential for coordinating complex physiologic processes and maintaining homeostasis.