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.   40 percent
B.   35 percent
C.   60 percent
D.   85 percent
E.   20 percent
Question #2
Which statement regarding fluid and electrolyte imbalance is FALSE?
A.   It can lead to death.
B.   It can be caused by vomiting and diarrhea.
C.   It disrupts the heartbeat.
D.   It will resolve without intervention.
E.   It is a medical emergency.
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.   spinach and strawberries
B.   almonds and pinto beans
C.   Swiss chard and rhubarb
D.   citrus fruits and soybeans
E.   broccoli and rutabaga
Question #5
Which of these are important functions of water?
A.   Regulates body temperature and lubricates joints.
B.   All are important functions of water.
C.   Regulates body temperature, lubricates joints, and maintains acid–base balance.
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.   Calcium , phosphorus
C.   Phosphorus, calcium
D.   magnesium, vitamin D
Question #7
Which nutrient is LEAST likely to play a role in bone health?
A.   vitamin K
B.   vitamin D
C.   copper
D.   vitamin A
E.   magnesium
Question #8
What is one of the major roles of calcium in the body?
A.   helps maintain pH of blood
B.   essential for muscle contractions
C.   prevents osteoarthritis
D.   maintains normal pulmonary gas exchange
E.   part of cell DNA and RNA
Question #9
Which statement about the function of water in the human body is FALSE?
A.   Water cleanses the tissues and blood of wastes.
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 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.   copper
B.   zinc
C.   selenium
D.   iron
E.   calcium
Question #11
Which individual is most likely to experience osteoporosis?
A.   a 70-year-old female who smokes
B.   a 50-year-old male who eats a high-protein diet
C.   post-menopausal female with a BMI of 25
D.   a 50-year-old female who works outdoors
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.   sweet potatoes
B.   bananas
C.   milk
D.   deli meat
E.   celery
Question #13
What is the most abundant mineral in soft water?
A.   calcium
B.   iron
C.   sodium
D.   zinc
E.   magnesium
Question #14
What would you tell someone who is considering taking chromium supplements for weight loss and diabetes?
A.   Chromium supplementation leads to an increased risk of developing cancer.
B.   No benefit for reducing body fat with chromium supplements has been proven.
C.   In diabetics, chromium is used to maintain blood glucose within normal limits.
D.   Chromium supplements have been shown to increase muscle mass, but only in elite athletes.
E.   Chromium supplements help prevent diabetes in people at risk for developing it.
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.   spring water
B.   soft water
C.   distilled water
D.   hard water
E.   natural water
Question #17
How is osteoporosis diagnosed?
A.   a standard X-ray
B.   a blood test
C.   a DEXA scan
D.   a gene expression test
E.   by ruling out all other possible causes of bone loss
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.   iodine; chloride
D.   calcium; magnesium
E.   iron; zinc
Question #19
All of these are important functions of iron EXCEPT _______.
A.   acts as a buffer
B.   aids in enzymatic activity for energy metabolism
C.     
D.   prevents anemia
E.   transports oxygen in the blood
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.   There is an unlimited amount of calcium storage capacity in bones and teeth.
C.   Regulation of calcium metabolism is not very tight because there is a wide range of normal values.
D.   The greatest amount of calcium is absorbed from plant sources.
E.     
F.   When the body needs more calcium, proteins in the intestinal lining increase its absorption.

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