Chapter 12 review Nutritional Sciences
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What gland responds to a lack of water in the body vy releasing a hormone?
Calcium is important for:
c)nerve impulse transmission
d)a and b
e)a and c
f) all of the above
John, a senior in highschool routinely consumes 4-5 soft drinks a day and almost no dairy. What is he at increased risk for developing?
a)magnesium toxicity, obesity
b)potassium toxicity, rickets
c)calcium defiency, demineralization of bone
Which mineral is a component of stomach acid?
Biophosphonates are used in the treatment of osteoporosis. What is their effect?
a)Inhibit bone breakdown
b)increase calcium absorbtion
c)increase vitamin D absorbtion
d) promote bone formation
What are drugs used to lower blood pressure by helping the body eliminate water called?
What is the term that refers to the extent to which a niutrient is absorbed in the GI tract?
Baby Ann, age 9mos, is vomiting and has diarrhea. This can be life threatening because of the losses of water and what two minerals?
Major minerals utilize the lymphatic system prior to being circulated in the blood.
People with cystic fibrosis have significant respiratory difficulties and may have profound digestive complications because a genetic defect results in the inability to pump which ions across cell membranes?
A decline in bone is a normal part of aging T/F
Jim is dehydrated and has purchased several "sports drinks" to have available along his training route. Why did the team dietitian reccomend that Jim purchase a brand that contained glucose instead of HFCS?
a)glucose is more easily absorbed than fructose
b)glucose must be present for sodium to be absorbed
c)glucose provides more kcal than HFCS
Antidiuretic hormone decreases water excretion by the kidneys and causes blood vessels to constrict T/F?
What does having osteoporosis increase the risk of?
What lifestyle factors can be modified to reduce the risk of developing osteoporosis?
a)activity level and diet
b)medications and diet
c)alcohol consumption and smoking
What food has been showin in some studies to help maintain bone health after menopause?
By definition, a major or macromineral is one that is required in amounts greater than how much each day?
What regulates blood level of magnesium?
b)small intestine, kidneys
c)large intestine, liver
How many people do researchers estimate suffer from osteoporosis?
Menopause negatively affects bone mass T/F
During periods of calcium defiency, the body maintains healthy blood calcium levels by stimuating osteoblasts T/F
What is the process of converting soft, rubbery fetal bones into hard, mineralized bone called?
Bone mass increases until roughly what age?
What is the crystal -like structural molecule in bones and teeth that contains calcium called?
If you make spaghetti with home made tomat sauce for a family of four and add only 1tsp of salt when preparing both items, how many mg of sodium would each person consume from both the items?
One study suggested that consuming even one additional serving of low fat dairy each day is accociated with a40-50% reduction of risk of which disease?
b) prostate cancer
d) colon cancer
Whta food group would provide a significant source of calcium\?
Which of the following exercises is likely to be best for strengthening bones?
A typical 70kg man has 42 liters of water in his body. If 1/3 of his water is found outside of his cells, how many liters of extracellular fluid could he have?
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