The immediate source of energy for all body processes, including muscle contraction, is ________.
A. both ATP and PC
B. muscle glycogen
C. phosphocreatine
D. adenosine triphosphate
Answer: D
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Yun Jung is a 56-year-old postmenopausal fashion designer from Korea. She is visiting the U.S. for the first time and is having a bit of a challenge adjusting to the food available. She admits she is not very active but does try to eat healthy. She has always been thin and is currently 5' tall and weighs 95 lbs. Her diet typically consists mostly of rice, lots of vegetables (except she doesn't
like spinach or greens), soy, a little fish, and lots of tea. She is not lactose intolerant. On a sight-seeing trip, she twisted her left ankle and fell. She was taken to the emergency room and was shocked to find that she had fractured her left fibula. The x-ray confirmed type 1 osteoporosis. Based on Yun Jung's usual intake, which vitamin would also be expected to be inadequate and important to increase in the diet along with calcium? a. Vitamin D b. Vitamin K c. Vitamin C d. All of the above
Hypocalcemia can be manifested by:
a. increased secretion of parathormone. b. lack of calcium in the diet as the primary cause. c. tetany, twitching, and tingling of extremities. d. muscle relaxation resulting in poor muscle tone.
The Tolerable Upper Intake Level (UL) helps to answer which of the following questions regarding minerals?
a. Am I deficient? b. Am I consuming enough? c. Am I taking in too much? d. a and b
Which of the following is the best evidence that environment must play a role in obesity?
a. The rate of obesity has been rising while the gene pool has remained relatively constant. b. The recognition that identical twins reared apart have body weights similar to their biological parents. c. The development of precise body composition methodologies that define adipose storage sites based on gender. d. The discovery of uncoupling proteins that explain the variations in energy metabolism among lean and overweight people. e. Adoption studies show that adopted individuals have body mass more similar to their adoptive parents than their birth parents.