Which statement best describes the circadian rhythm?
A) In a 24-hour period of time, we spend a period of time awake and a period of time asleep.
B) In a 24-hour period of time, we feel most sleepy during brightest period of the day.
C) In a 24-hour period of time, adults require at least 8 hours of sleep to feel rested.
D) In a 24-hour period of time, we feel the most awake after eating breakfast.
Answer: A
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Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement. What component maintains most of the flexibility of the membrane?
A. Integral proteins B. Phospholipid bilayer C. Carbohydrates D. Polysaccharides
LaTonya gets her hand caught in the car door at her knuckles. Which of these specific joints is injured?
A. Metacarpophalangeal joint B. Radiocarpal joint C. Metatarsophalangeal joint D. Atlantoaxial joint
A deficiency of dietary iodine would result in excessive TSH secretion.
Answer the following statement true (T) or false (F)
Characteristics of thick skin include:
a) Found in the palms, soles of the feet and fingertips. b) Does not contain hair follicles. c) Contains more sweat glands than thin skin. d) Contain epidermal ridges. e) All of these choices are correct