Author Question: What name is given to the rhythmic biologic clock that exists in humans? A) Sleep-wake cycle B) ... (Read 67 times)

bobthebuilder · **on:** Jul 23, 2018

What name is given to the rhythmic biologic clock that exists in humans?

A) Sleep-wake cycle
B) Alert-unaware process
C) Circadian rhythm
D) Yo-yo theory

Question 2

A nurse is caring for a client who is sleeping for abnormally long periods of time. This condition may be caused by injury to which of the following body structures?

A) Spinal cord
B) Pancreas
C) Hypothalamus
D) Thyroid

JYan · **Reply #1 on:** Jul 23, 2018

Answer to Question 1

Ans: C
Rhythmic biologic clocks are known to exist in plants, animals, and humans. Circadian rhythms complete a full cycle every 24 hours and in humans affect heart rate, blood pressure, body temperature, hormone secretions, and metabolism, as well as performance and mood.

Answer to Question 2

Ans: C
The hypothalamus has control centers for several involuntary activities of the body, one of which concerns sleeping and waking. Injury to the hypothalamus may cause a person to sleep for abnormally long periods.