The _____ symbol on a supplement label means the product contains the ingredients listed and will dissolve in the digestive tract.
1.DRI
2.USP
3.ADA
4.DV
5.None of these choices
Q. 2During the fight-or-flight reaction to stress the nervous system reacts by:
a. temporarily shutting down metabolism.
b. slowing down breathing to conserve oxygen.
c. releasing stored glucose from the liver.
d. speeding up the work of the digestive system.
e. slowing the heart rate to conserve blood.
Q. 3A vitamin B12 deficiency caused by the lack of intrinsic factor is known as:
1.Osteomalacia
2.Pernicious anemia
3.Osteoporosis
4.Sickle cell anemia
5.Rickets
Q. 4A 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.
Q. 5Adequate intakes of this B-vitamin is most associated with the prevention of neural tube defects.
1.Niacin
2.Folate
3.Riboflavin
4.Thiamin
5.B12
Q. 6Nutrients delivered from the intestines into the circulatory system are:
a. transported to other organs where they are broken down further.
b. transported to the heart, which then delivers them to the individual cells in the body.
c. transported to the kidneys, which send them to the cells in the body.
d. transported through the lymph system to the heart for distribution.
e. transported through the blood to the liver for chemical alterations to make them better suited for use by the tissues.
Q. 7_____, which is abundant in almost all proteins, is converted to niacin in the body.
1.Arginine
2.Tryptophan
3.Alanine
4.Tyrosine
5.Lysine
Q. 8The importance of the lungs in the circulatory system is that they are responsible for:
a. adding oxygen to the blood.
b. removing glucose from the blood.
c. adding nutrients to the blood.
d. removing extra water from the blood.
e. removing carbon monoxide from the blood.
Q. 9The niacin-deficiency disease is _____.
1.Wernicke-Korsakoff syndrome
2.Pellagra
3.Anemia
4.Beriberi
5.Rickets
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