Which example would help the nurse explain hormone regulation directed by circadian rhythm?
1. The regulation of the female menstrual cycle
2. The release of cortisol to peak in the early morning
3. The stimulation of insulin production by an increased level of glucose
4. The increased production of luteinizing hormone (LH) during the menstrual cycle
2
Rationale 1: Infradian rhythms are those that last for more than 24 hours, such as the female menstrual cycle.
Rationale 2: An example of circadian rhythms regulation is the release of cortisol, whose peaks and troughs vary during a 24-hour period.
Rationale 3: The increased production of insulin as stimulated by the brain's perception of increased serum glucose is an example of the neural regulatory process.
Rationale 4: The release of luteinizing hormone in response to higher estrogen levels is an example of positive feedback.
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Answer the following statement true (T) or false (F)