nutrition exam 2
Plants make glucose from carbon dioxide and water.
true
Which of the following is considered an essential amino acid?
methionine (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine)
The chemical attraction between the acid group of one amino acid and the amino group of another amino acid can form a ________.
peptide bond
Which of the following functions as an emulsifier in the body and is required for cell membrane structure?
phospholipids
A scientist has isolated a fatty acid that has 26 carbons. Most of the carbon atoms in the fatty acid chain are connected by single bonds, except there is a double bond between the number 3 and 4 carbons as well as the number 9 and 10 carbons.
polyunsaturated
Which of the following foods is naturally a rich source of monounsaturated fatty acids?
avocado
Sarah had her gallbladder removed one week ago. At her follow-up visit, she complained of having greasy stools. What dietary modification could help to alleviate Sarah's problem?
avoid high fat meals
Bill recorded his food intake for a week and then used a computerized dietary analysis program to analyze his diet record. According to the results of the analysis, his average fat intake was ________% of total calories each day, which is within the Acceptable Macronutrient Distribution Range.
25
If an average adult's RDA for protein is 65 grams, they would weigh approximately _____.
81 kilograms
Instructions for making proteins are coded in a cell's ________
DNA
Which of the following lipoproteins contains the highest percentage of cholesterol?
LDL
Suppose you go to your doctor and get the following values on a blood lipid profile. What can you conclude? LDL Cholesterol = 140 mg/dl Blood Glucose = 90 mg/dl Total Cholesterol = 210 mg/dl HDL Cholesterol = 34 mg/dl Multiple Choice
LDL Cholesterol high, Blood Glucose is good, Total Cholesterol is high, HDL Cholesterol is low
Which of the following statements about kwashiorkor is true?
all of the above are true (kwashiorkor is most common in developing countries, kwashiorkor often develops in toddlers when their mother gives birth to another child, kwashiorkor results from consuming adequate energy, but insufficient high-quality protein).
Which of the following is NOT a complete protein source?
apples
If your diet supplies more sugar and starch than you need, the excess can be
converted into fat and stored
________ is the process that changes the normal shape of a protein and, as a result, the molecule loses its usual function.
denaturation
Lipids include phospholipids, sterols, and amino acids.
false
When muscle cells have more glucose than they need for energy, they may store some of the excess as
glycogen
When a person's blood glucose level drops too low to provide enough energy for cells they have a condition called ________.
hypoglycemia
An impoverished child living in a developing country is at risk of suffering from protein-energy malnutrition. If this child consumes insufficient dietary protein, what is the physiological consequence?
insufficient protein intake inhibits the body's ability to make immune antibodies, some hormones, and enzymes
Duncan's diet contains high amounts of protein and fat, but it is very low in carbohydrates. As a result of following this diet, Duncan's body forms more ________ than normal.
ketone bodies
Which of the following is a condition caused by protein-energy malnutrition and characterized by stunted growth, sparse and brittle hair, patches of skin discoloration, edema and swelling, a distended abdomen, infections, and poor wound healing?
kwashiorkor
Clayton is a 19-year-old college student. He avoids milk, because he claims drinking the beverage upsets his stomach and gives him intestinal "gas." However, he can eat yogurt and certain types of cheese without experiencing any symptoms. Based on this information, Clayton probably has
lactose intolerance
Following absorption, galactose and fructose are converted to glucose in the
liver
Carbohydrate absorption occurs almost exclusively in the ________.
small intestine