Which of the following does NOT explain why infants are at higher risk of dehydration than
adults?
A) Breast milk or formula does not meet an infant's fluid needs.
B) Infants have kidneys that produce highly concentrated urine.
C) Infants have immature kidneys and are unable to concentrate urine as well as adults.
D) Infants lose proportionally more fluid via evaporation than adults.
Q. 2Approximately what percentage of adults in the United States does not meet national health
recommendations for physical activity?
A) 75 B) 50 C) 35 D) 10
Q. 3Which of the following is LEAST likely to suffer from food insecurity in the United States?
A) two-parent household with income 195 of the poverty threshold
B) elderly couple living on a fixed income
C) migrant laborers
D) minimum-wage workers
Q. 4What is the primary cause of global undernutrition?
A) failure of the green revolution to diversify crops
B) unequal distribution of food due to poverty
C) global food shortages
D) inadequate transportation networks
Q. 5Which of the following is NOT a benefit of breastfeeding for the infant?
A) The protein in breast milk is easy for the infant to digest.
B) The antibodies and immune factors found in breast milk help to protect the infant from
infection.
C) The infant does not absorb the unhealthy levels of fat in breast milk.
D) The DHA found in breast milk is essential to the development of the infant's nervous
system and retina.
Q. 6Ronald is a healthy, 40-year-old tax accountant who is physically fit. He would like to ensure
that he continues to maintain his cardiorespiratory fitness
Utilizing the Centers for Disease
Control and Prevention ( CDC ) guidelines, which of the following heart rates (beats per minute)
should Ronald maintain to achieve a vigorous-intensity workout?
A) 153 bpm B) 50 bpm C) 90 bpm D) 143 bpm
Q. 7What is the term for a situation in which people are unable to obtain enough food to meet their
daily physical needs?
A) food shortage B) food anxiety
C) food insecurity D) food poverty
Q. 8The 2002 Institute of Medicine's recommendation of 60 minutes each day is based on the amount
of exercise needed to
A) lose 1/2 pound a week until a healthy BMI is reached.
B) decrease the risk of developing type 2 diabetes.
C) maintain blood pressure within normal levels.
D) maintain a healthy body mass index.
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