Midterm
The rate of gastric motility and the release of gastric juice ____ when the food moves into the small intestine.
decrease
Diverticular disease:
is characterized by the presence of pouches that form along the intestinal wall.
Undernutrition and overnutrition both are examples of
malnutrition
For transcription to happen, _____ must communicate the DNA code to organelles outside the cell nucleus.
messenger ribonucleic acid (mRNA)
Which of the following foods provides the most cholesterol in a single 3-ounce serving?
milk
A saturated fatty acid contains ____ carbon-to-carbon bonds.
only single
Which of the following publications is the preferred source for reputable information about nutrition and other sciences?
peer-reviewed journals
A particular genetic mutation that is present in at least 1% of the population is called a ______.
polymorphism
Beta-oxidation takes place in all cells except brain and _____ cells.
red blood
Protein digestion involves the hormones gastrin, CCK, and _____.
secretin
Where does the chemical digestion of protein begin?
stomach
Most of the major anabolic pathways operate during _____.
the fed state
According to the DRI committee, people who participate in high levels of exercise need _____ protein on a body-weight basis as compared to those who do not participate in high levels of exercise.
the same amount of
Enzymes that shift atoms from one molecule to another are called __________.
transferases
The process of protein synthesis involves three basic steps: cell signaling, transcription, and _____.
translation
An elevated body temperature temporarily increases your BMR.
true
Cell membranes are composed of a phospholipid bilayer.
true
Condensation is one type of chemical reaction that joins molecules together.
true
Epinephrine, a hormone, helps increase blood glucose levels by promoting glycogenolysis.
true
Generally, animal-derived foods are sources of quality protein.
true
Only water and alcohol are absorbed to any significant extent by the stomach.
true
Positively charged ions are called cations, while negatively charged ions are called anions.
true
Serving sizes are included on the Nutrition Facts panel so that nutrient contents of similar foods can be compared.
true
The kidneys, lungs, and skin assist in eliminating potentially harmful metabolic wastes from the body.
true
The study of the interaction of nutrition and genetics to influence health is called nutrigenomics.
true
The waist-to-hip ratio or waist circumference can be used to determine one's body fat distribution pattern.
true
Macronutrients include carbohydrates, protein, lipids, and _____.
water
Your child was just diagnosed with type 1 diabetes mellitus. She presented with the following symptom(s):
weight loss and extreme thirst
The FDA- approved nutrient content claim "calorie free" means that a food product contains ______ kcalories (Calories) per serving.
<5
Substrate phosphorylation is a process that results in the generation of some _____.
ATP
What molecule is uniquely suited to transfer energy to energy-requiring anabolic reactions?
Adenosine triphosphate
Which of the following would be considered an abnormal fasting plasma glucose level for a person with diabetes?
140 mg/dL
Healthy adults are recommended to consume ____ of their energy from lipids.
20-35%
What is the approximate BMI for a person who weighs 220 pounds and is 5 feed 11 inches tall?
31 kg/m2
A sandwich you ate contained 20 grams of CHO, 32 grams of protein, and 10 grams of fat. What percentage of the kcalories in the sandwich came from protein?
43%
Which of the following represent recommended intakes of nutrients based specifically on a 2,000- and a 2,500-kcalorie diet
DV
What hormone is released when the food you have just eaten reaches your stomach?
Gastrin
What is the definition of moderate-intensity physical activity?
Exertion that is 3.0-5.9 times as intense as rest
What recently discovered hormone appears to increase food intake by signaling the release of anabolic neurotransmitters?
Ghrelin
What is produced as the result of the digestion of amylose and amylopectin?
Glucose
What do scientists call the health-promoting substances found in plants?
Phytochemicals
The ____ for a particular nutrient is the daily dietary intake level considered sufficient to meet the nutrient requirements of nearly all healthy individuals (about 97%) of the same gender who are in a particular stage of life.
Recommended Dietary Allowance (RDA)
What does it mean if a tissue has "insulin-requiring glucose transporters"?
The tissue requires insulin to stimulate the uptake of glucose.
The majority of TEE is accounted for by:
basal metabolism
Dietitians often recommend that we frequently consume foods containing omega-3 fatty acids. An omega-3 fatty acid is one that has its first double bond ____ end of the molecule.
between the third and fourth carbons from the methyl
What is the anatomical birth defect that results in an opening between the oral and nasal cavities called?
cleft palate
If a group of farmers who grow oranges helps fund a university-based research project to determine the amount of vitamin C contained in fresh vs. frozen orange juice, it is appropriate to _____.
determine if the funding group influenced the research findings
Which of the following artificial sweeteners contains phenylalanine and thus poses a potential risk to people who have the genetic condition phenylketonuria?
equal
A chronic disease is an infectious illness that results in death.
false
Children are never diagnosed with type 2 diabetes mellitus.
false
Fermentable fibers promote selective growth of beneficial microflora and include pectin and cellulose.
false
HDLs deliver cholesterol to tissues that use it for structural and metabolic purposes.
false
Hydrochloric acid is released from parietal cells of the stomach and is responsible for hydrolyzing the peptide bonds of the protein's primary structure.
false
The DASH diet requires participants to jog or run as part of the regimen.
false
The fluid that surrounds cells is called the intracellular fluid.
false
The number of sequences of amino acids in a single polypeptide chain is called the sequential structure of a protein.
false
Vitamins and minerals are organic chemcials.
false
GI motility and the release of GI secretions are coordinated with the introduction of ____ into each of the regions of the GI tract.
food
Your body needs additional glucose and is catabolizing glycogen. This process is called:
glycogenolysis.
Coenzymes assist enzymes by transferring ______ to form molecules.
hydrogen ions and electrons