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.   60 percent
C.   85 percent
D.   35 percent
E.   20 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 can lead to death.
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.   almonds and pinto beans
D.   Swiss chard and rhubarb
E.   broccoli and rutabaga
Question #5
Which of these are important functions of water?
A.   Regulates body temperature, lubricates joints, and acts as a universal solvent.
B.   All are important functions of water.
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.   Phosphorus, calcium
B.   magnesium, vitamin D
C.   zinc, selenium
D.   Calcium , phosphorus
Question #7
Which nutrient is LEAST likely to play a role in bone health?
A.   magnesium
B.   vitamin K
C.   vitamin D
D.   vitamin A
E.   copper
Question #8
What is one of the major roles of calcium in the body?
A.   part of cell DNA and RNA
B.   helps maintain pH of blood
C.   essential for muscle contractions
D.   maintains normal pulmonary gas exchange
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 participates in the body's chemical reactions.
C.   Water acts as a lubricant around joints.
D.   Water is a good source of energy.
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.   iron
B.   calcium
C.   selenium
D.   zinc
E.   copper
Question #11
Which individual is most likely to experience osteoporosis?
A.   a 12-year-old male with a body mass index (BMI) of 21
B.   a 50-year-old male who eats a high-protein diet
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.   deli meat
B.   sweet potatoes
C.   bananas
D.   milk
E.   celery
Question #13
What is the most abundant mineral in soft water?
A.   calcium
B.   zinc
C.   sodium
D.   iron
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.   Chromium supplements have been shown to increase muscle mass, but only in elite athletes.
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.   hard water
B.   soft water
C.   spring water
D.   natural water
E.   distilled water
Question #17
How is osteoporosis diagnosed?
A.   a DEXA scan
B.   by ruling out all other possible causes of bone loss
C.   a gene expression test
D.   a blood test
E.   a standard X-ray
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.   calcium; magnesium
E.   iodine; chloride
Question #19
All of these are important functions of iron EXCEPT _______.
A.   acts as a buffer
B.     
C.   transports oxygen in the blood
D.   prevents anemia
E.   aids in enzymatic activity for energy metabolism
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.   There is an unlimited amount of calcium storage capacity in bones and teeth.
C.   When the body has enough calcium, proteins in the bloodstream carry calcium to where it is needed.
D.   When the body needs more calcium, proteins in the intestinal lining increase its absorption.
E.     
F.   The greatest amount of calcium is absorbed from plant sources.

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