9) Worldwide, the poorest poor subsist on less than ____ per day.
a. $1
b. $3
c. $5
d. $7
e. $9
10) One function of sphincter muscles is to ____.
a. control peristalsis
b. grind large food particles
c. secrete digestive juices into the GI tract
d. control the passage of food through the GI tract
e. trigger hormone release
11) Greg is trying to decide which brand of cereal to buy, but he is a somewhat
confused by the health claims. Which statement represents the highest level of
significant scientific agreement?
a.”This cereal promotes a healthy heart.”
b.”This cereal supports heart health.”
c.”This product contains whole grains, which have been proven to reduce the risk of
heart disease and certain cancers.”
d.”Very limited and preliminary scientific research suggests this product can reduce risk
for cancers; FDA concludes that there is little scientific evidence supporting this claim.”
e.”Anecdotal evidence demonstrates a clear relationship between consumption of this
product and elimination of health risk factors.”
12) For maximum benefits, cardiorespiratory endurance episodes should be sustained
for at least
a. 20 minutes.
b. 40 minutes.
c. 1 hour.
d. 1 1/2 hours.
e. 2 hours.