Practice Quizzes

Chapter 10: Water and Minerals: The Ocean Within

1: The main sources of magnesium in our diets are
plant foods.
animal foods.
organ meat
milk or orange juice
2: What is the main source of natural fluoride?
mushrooms
potatoes
organ meat
water
3: When minerals or salts dissolve in water, they form
only cations
ions
Ca
only anions
4: The following three are risk factors for osteoporosis.
advanced age, overweight, cigarette smoking
excessive use of alcohol or caffeine, binge-eating disorder, lack of weight bearing exercise
being female, having a small frame, diabetes
early menopause, insufficient dietary calcium, advanced age
5: Which mineral has vitally important roles in nerve impulse transmission, blood clotting, and cell metabolism?
calcium
sulfur
phosphorous
potassium
6: What trace mineral is part of the myoglobin molecule?
zinc
iron
selenium
iodine
7: Low estrogen during menopause can lead to low calcium absorption rates.
TRUE
FALSE
8: This type of bone cells synthesize and excrete the extracellular matrix that forms the structure of bone.
osteoclasts
osteoblasts
phytates
osmoreceptors
9: Insensible water loss refers to the water lost
after consuming large amounts of alcohol.
during the continuous evaporation of water from the lungs and skin.
in urine.
during exercise.
10: What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?
cretinism
Keshan disease
multiple sclerosis
Crohn's disease
11: A copper-dependent enzyme that enables iron to bind to transferrin is
ceruloplasmin
albumin
superoxide dismutase
retinol
12: The age-related decline in chromium may be partly responsible for type II diabetes.
TRUE
FALSE
13: Which of the following best describes myoglobin?
the rate-limiting enzyme in gluconeogenesis
a heme protein
a type of white blood cell
the storage form of thyroid hormones
14: Which of the following is not a function of iron?
oxygen transport
immune function
brain function
gene regulation
15: Examples of goitrogenic foods are ________ and ________.
turnips and corn
rutabagas and okra
raw cabbage and turnips
cassava and lettuce
16: Chronic consumption of excess selenium can lead to
brittle hair and nails.
muscle weakness.
TPN.
diarrhea.
17: Three hormones help to regulate calcium status, these include each of the following EXCEPT
calcitriol
parathyroid hormone
fibrin
calcitonin
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