Nutrition 1010 - Introductory Nutrition » Spring 2021 » Chapter 8 Quiz

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Question #1
Water accounts for what percentage of the human body's weight?
A.   85 percent
B.   60 percent
C.   35 percent
D.   20 percent
E.   40 percent
Question #2
Which statement regarding fluid and electrolyte imbalance is FALSE?
A.   It can lead to death.
B.   It is a medical emergency.
C.   It will resolve without intervention.
D.   It disrupts the heartbeat.
E.   It can be caused by vomiting and diarrhea.
Question #3
Calcium, iron, and potassium are major minerals that are essential for the body's proper functioning.
A.   FALSE
B.   TRUE
Question #4
For someone with lactose intolerance, what is the best alternative source of calcium?
A.   citrus fruits and soybeans
B.   spinach and strawberries
C.   Swiss chard and rhubarb
D.   almonds and pinto beans
E.   broccoli and rutabaga
Question #5
Which of these are important functions of water?
A.   All are important functions of water.
B.   Regulates body temperature, lubricates joints, and acts as a universal solvent.
C.   Regulates body temperature, lubricates joints, and maintains acid–base balance.
D.   Regulates body temperature and lubricates joints.
Question #6
______ and _________ are important for the infrastructure of bone.
A.   Calcium , phosphorus
B.   magnesium, vitamin D
C.   zinc, selenium
D.   Phosphorus, calcium
Question #7
Which nutrient is LEAST likely to play a role in bone health?
A.   magnesium
B.   vitamin A
C.   vitamin K
D.   vitamin D
E.   copper
Question #8
What is one of the major roles of calcium in the body?
A.   helps maintain pH of blood
B.   maintains normal pulmonary gas exchange
C.   prevents osteoarthritis
D.   part of cell DNA and RNA
E.   essential for muscle contractions
Question #9
Which statement about the function of water in the human body is FALSE?
A.   Water participates in the body's chemical reactions.
B.   Water is a good source of energy.
C.   Water aids in the maintenance of the body's temperature.
D.   Water acts as a lubricant around joints.
E.   Water cleanses the tissues and blood of wastes.
Question #10
What trace mineral is essential to sperm production and taste perception, and assists in immune function?
A.   calcium
B.   zinc
C.   iron
D.   copper
E.   selenium
Question #11
Which individual is most likely to experience osteoporosis?
A.   a 50-year-old male who eats a high-protein diet
B.   a 70-year-old female who smokes
C.   a 50-year-old female who works outdoors
D.   post-menopausal female with a BMI of 25
E.   a 12-year-old male with a body mass index (BMI) of 21
Question #12
For someone who wants to reduce the amount of sodium in his or her diet, what food would you recommend avoiding?
A.   deli meat
B.   celery
C.   milk
D.   sweet potatoes
E.   bananas
Question #13
What is the most abundant mineral in soft water?
A.   sodium
B.   iron
C.   calcium
D.   magnesium
E.   zinc
Question #14
What would you tell someone who is considering taking chromium supplements for weight loss and diabetes?
A.   No benefit for reducing body fat with chromium supplements has been proven.
B.   Chromium supplements have been shown to increase muscle mass, but only in elite athletes.
C.   Chromium supplements help prevent diabetes in people at risk for developing it.
D.   In diabetics, chromium is used to maintain blood glucose within normal limits.
E.   Chromium supplementation leads to an increased risk of developing cancer.
Question #15
Risk factors for osteoporosis include older age, being of African American/black heritage, and of low body weight.
A.   TRUE
B.   FALSE
Question #16
What type of water does NOT contain any dissolved minerals?
A.   natural water
B.   hard water
C.   soft water
D.   spring water
E.   distilled water
Question #17
How is osteoporosis diagnosed?
A.   by ruling out all other possible causes of bone loss
B.   a blood test
C.   a DEXA scan
D.   a standard X-ray
E.   a gene expression test
Question #18
Transport proteins in cell membranes maintain the proper balance of _________ (mostly outside the cells) and _________ (mostly inside the cells).
A.   potassium; chloride
B.   sodium; potassium
C.   iron; zinc
D.   iodine; chloride
E.   calcium; magnesium
Question #19
All of these are important functions of iron EXCEPT _______.
A.   acts as a buffer
B.   transports oxygen in the blood
C.     
D.   aids in enzymatic activity for energy metabolism
E.   prevents anemia
Question #20
Which statement about calcium metabolism is true?
A.   Regulation of calcium metabolism is not very tight because there is a wide range of normal values.
B.   The greatest amount of calcium is absorbed from plant sources.
C.   There is an unlimited amount of calcium storage capacity in bones and teeth.
D.     
E.   When the body has enough calcium, proteins in the bloodstream carry calcium to where it is needed.
F.   When the body needs more calcium, proteins in the intestinal lining increase its absorption.

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