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

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