QUESTION 46 What does this figure show? Dark Dark Dark 37 - 36 - Midnight Noon Midnight Noon Midnight The response loop associated with body temperature A circadian rhythm A negative feedback loop the release of oxytocin each day Oral body temperature (°C)

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question 46:**

What does this figure show?

(Graph/Diagram Explanation: The figure is a line graph illustrating the fluctuation of oral body temperature (°C) across different times of the day. The x-axis represents time, specifically marked intervals: Midnight, Noon, Midnight, Noon, and Midnight again, covering two full 24-hour cycles. The y-axis shows the oral body temperature in degrees Celsius, ranging from 36°C to 37°C.

Key features of the graph:
- There are shaded and non-shaded vertical areas. Shaded areas are labeled 'Dark,' representing nighttime or absence of light, and non-shaded areas represent daytime or presence of light.
- The red line represents oral body temperature changes through the day, peaking and troughing according to the time and light conditions.
- The peaks in the graph correspond to the late afternoon and early evening, while the troughs correspond to the late night and early morning.)

Possible answers:
- ○ The response loop associated with body temperature
- ○ A circadian rhythm
- ○ A negative feedback loop
- ○ The release of oxytocin each day
Transcribed Image Text:**Question 46:** What does this figure show? (Graph/Diagram Explanation: The figure is a line graph illustrating the fluctuation of oral body temperature (°C) across different times of the day. The x-axis represents time, specifically marked intervals: Midnight, Noon, Midnight, Noon, and Midnight again, covering two full 24-hour cycles. The y-axis shows the oral body temperature in degrees Celsius, ranging from 36°C to 37°C. Key features of the graph: - There are shaded and non-shaded vertical areas. Shaded areas are labeled 'Dark,' representing nighttime or absence of light, and non-shaded areas represent daytime or presence of light. - The red line represents oral body temperature changes through the day, peaking and troughing according to the time and light conditions. - The peaks in the graph correspond to the late afternoon and early evening, while the troughs correspond to the late night and early morning.) Possible answers: - ○ The response loop associated with body temperature - ○ A circadian rhythm - ○ A negative feedback loop - ○ The release of oxytocin each day
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