Community Nutrition Exam Flashcards
Research has shown that neural tube defects can be reduced with proper supplementation of:
a- iron
b- folic acid
c- glutamine
d- arginine
b- folic acid
The best laboratory value to use in assessing iron status is:
a- hemoglobin
b- hematocrit
c- ferritin
d- serum iron
c- ferritin
Where is lactose absorbed?
a- small intestine
b- stomach
c- pancreas
d- liver
a- small intestine
Which minerals are involved in carbohydrate metabolism?
a- cobalt, zinc
b- chromium, zinc
c- copper, chromium
d- iron, zinc
b- chromium, zinc
Acidic chyme becomes neutralized in the duodenum by:
a- mixing with bicarbonate and fluids
b- mixing with alkaline intestinal enzymes
c- mixing with sodium and potassium
d- mixing with bile
a- mixing with bicarbonate and fluids
The colon functions in the absorption of:
a- amino acids, fatty acids
b- unsaturated fatty acids, electrolytes
c- water, salts, vitamin K, thiamin, riboflavin
d- glucose and fatty acids
c- water, salts, vitamin K, thiamin, riboflavin
How much fluid is lost through insensible losses?
a- .5 liters
b- 1 liter
c- 2 liters
d- 3-4 liters
b- 1 liter
An amino acid that cannot be produced by the body is:
a- alanine
b- glycine
c- tyrosine
d- tryptophan
d- tryptophan
The following is an irreversible reaction:
a- pyruvic acid into lactic acid
b- pyruvic acid into Acetyl CoA
c- g-6-p into glycogen
d- g-6-p into pyruvate
b- pyruvic acid into Acetyl CoA
Riboflavin, thiamin, and niacin are all involved in the:
a- metabolism of carbohydrate
b- metabolism of fat
c- metabolism of protein
d- production of amino acids
a- metabolism of carbohydrate
An increased plasma pyruvate level is an indication of:
a- iron deficiency
b- riboflavin deficiency
c- excess carbohydrates intake
d- thiamin deficiency
d- thiamin deficiency
What may cause EKG abnormalities?
a- high serum potassium
b- low serum potassium
c- low serum sodium
d- high serum sodium
a- high serum potassium
In the fed state, the brain uses which nutrient as a source of energy?
a- fatty acid
b- lactic acid
c- glucose
d- ketones
c- glucose
In starvation, the brain uses which nutrient as an energy source?
a- fatty acid
b- lactic acid
c- glucose
d- ketones
d- ketones
Gluconeogenesis is the:
a- catabolism of carbohydrates
b- creation of glucose from glycerol and amino acids
c- breakdown of glycogen to release glucose
d- creation of glycogen
b- creation of glucose from glycerol and amino acids
