A person can eat when hunger is absent because:
a. the hypothalamus monitors the availability of nutrients
b. the conscious mind of the cortex can override body signals.
c. the digestive tract sends messages to the hypothalamus.
d. the stomach intensifies its contractions and creates hunger pangs.
e. the hypothalamus signals availability of food in the environment.
b
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Assuming that milk is an adolescent's only source of dietary calcium, how much milk must he/she drink every day to meet the RDA for calcium?
A. 1-2 cups B. 2-3 cups C. 4-5 cups D. 3-4 cups
What iron-containing protein is found in muscle cells?
a. Hemoglobin b. Myoglobin c. Albumin d. Hemosiderin
Karl is taking a nutrition class and has decided that his diet needs improvement. He has learned about many different types of foods, nutrients, and health problems associated with the diet. Some of Karl's biggest dietary concerns include losing body fat, increasing dietary fiber, and decreasing his late-night snacking. Karl normally skips breakfast to be able to sleep the extra 15 minutes before
running to his first class of the day. His first meal of the day is around 3 p.m. and consists of convenient foods found in the university union such as Chinese food, a burger and fries, or a few slices of pizza and a cola. After his afternoon lunch he relaxes with friends who often play video or computer games. Around 8:30 p.m. Karl and his friend order take-out or drive to the nearby fast-food restaurant for a tasty meal before starting to study. Throughout his night time studying Karl snacks on potato chips, pretzels, and more cola. Karl's bed time is around 1 a.m. Karl's favorite foods are hamburger, pizza and fried Chinese foods. What is the best short-term strategy to help him make and maintain dietary modifications? A) Cut out all hamburgers, pizza, and Chinese food from his diet B) Start eating a salad for lunch and dinner every day C) Replace one meal a day with a healthier choice, such as a grilled chicken sandwich on whole-grain bread and a serving of steamed vegetables. D) Allow himself to only consume his favorite foods on special occasions or once a month
What percentage of the world's children under the age of 5 have short stature for their age?
a. 5 b. 10 c. 15 d. 20 e. 25