HLTH 640 Quiz Protein Lipids Liberty Answers

HLTH 640 Quiz Protein Lipids

HLTH 640 Quiz: Protein, Lipids, Alcohol, Metabolism, and Global Nutrition

Module 3: Week 3 – Module 4: Week 4

Antioxidants like vitamins C and E ________ the oxidation process by bonding with the free radicals by preventing oxygen from attacking the double bonds.
The best approach to meeting the need for fats is to use fat- substitutes because they are nutritionally superior to omega-3 fats in oily fish (salmon, mackerel, herring).
Stored triglycerides cushion and protect bones, organs, and nerves and help maintain body temperature. Dietary fat provides essential fatty acids and is needed for the absorption of fat-soluble vitamins and carotenoids.
High LDL blood cholesterol, low HDL blood cholesterol, high blood pressure, excess body weight, inactivity, type 2 diabetes, and smoking represent uncontrollable risk factors for heart disease.
Cholesterol is needed for which of the following functions?
High concentrations of triglycerides in the blood and in adipose tissue are
Trans fats in processed foods pose a greater risk for heart health than saturated fats.
Regular exercise and maintaining a healthy body weight can help lower LDL cholesterol concentrations and raise HDL cholesterol concentrations.
The flakiness of pie crusts, tenderness in meat, and the freshness of foods are associated with
Long-chain fatty acids take ________ to digest and absorb than do short- or medium-chain fatty acids
Features such as a longer shelf-life, improved texture of pastries, crispier fried foods, and providing a “mouthfeel” like butter at a lower cost are characteristic of foods which have been
Consumption of antioxidant-rich fruits, vegetables, whole grains, and nuts is recommended to reduce the risk of atherosclerosis.
Fats that are liquid at room temperature are called
Triglycerides, phospholipids, and sterols are the three main types of
A plant-based diet with minimal amounts of high-saturated-fat, high-sugar foods, coupled with daily physical activity, reflects the healthy habits of the Mediterranean lifestyle.
Dietary cholesterol and phospholipids are both made in the body and are not essential nutrients.
Which of the following foods is more likely to become rancid?
Exercise is linked to high HDL levels.
Lipids that consists of two fatty acids and a phosphate group attached to a glycerol backbone are called
Cholesterol is found mostly in animal-based foods, whereas plant- based foods contain mostly phytosterols.
If a chain consists of two joined amino acids it is called a dipeptide; three joined amino acids form a tripeptide; more than 10 amino acids joined together is called a polypeptide; and a polypeptide chain that contains 50 or more amino acids is called a
amino acids contain a central carbon surrounded by a side chain carboxylic acid (COOH), a hydrogen, and an amine group (NH2).
Vegetarians would benefit from eating complete proteins such as
The more protein Americans consume, the better.
Dipeptidases and tripeptidases hydrolyze the tripeptides and dipeptides into single amino acids that are readily absorbed through the enterocytes via the portal vein to the
As long as a protein which has all the essential amino acids, it should be consumed liberally.
How many grams of protein should adults consume for each kilogram of body weight?
Most Americans have met their protein needs by the time that they have finished breakfast.
Amino acid pools act as a reservoir for
Individuals who have marasmus are starving and need to be fed.
How is nitrogen in the amine group processed?
The specific sequence of amino acids determines the specific ________ of the protein.
The large molecules which are made up of chains of amino acids and found in all living cells are called
Between amino acids, the ________ bonding causes the straight chain to fold, twist, and coil.
A peptide bond forms by condensation when the acid group (COOH) and amine group of two different amino acids join and ________ a molecule of water.
Chemical digestion of protein begins in the
A high-protein diet may increase the risk of heart disease, kidney problems, and calcium loss from bone.
During absorption, excess amino acids are
Amino acids are linked into unique chains by ________ bonds.
A severe deficiency of protein results in kwashiorkor; a severe deficiency of kilocalories causes marasmus.
Alcoholics Anonymous offers ________ for recovering alcoholics.
Where is alcohol absorbed?
After fermentation, the alcoholic liquids are heated, causing the ethanol to vaporize. The vapor is collected, cooled, and condensed into a concentrated beverage called liquor or distilled spirits. This process is called
Binge drinking and underage drinking are common forms of alcohol abuse on college campuses.
Damage to the fetus of a pregnant Mom who consumes alcohol can be reversed by eating right.
During beer production, the dried flowers of a plant which add flavor and antibacterial properties are called
Oliver typically drinks excessive quantities of alcohol in a short amount of time. He would be classified as a
Since women have about 20—30 percent less ________ secreted from their gastric mucosa than men, more ethanol enters the blood through a female’s gastric lining.
The only cure for a hangover is time.
A person who has passed out after drinking should never be left to “sleep it off, someone needs to intervene and call 9-1-1 immediately.
Alcohol poisoning can be fatal.
Vodka production begins with potatoes or grains, and production of rum begins with
Compared to beer, an individual is more likely to get drunk if they have consumed
Most of the alcohol which has been consumed is absorbed in the
If food is in the stomach, when alcohol arrives there, the food blocks the alcohol from the stomach wall and this blocking action ________ the amount of alcohol that diffuses through the gastric lining.
The state in which the BAC rises to the point that a person’s central nervous system is affected and his or her breathing and heart rate are interrupted is called tolerance.
Alcohol use disorder includes alcohol abuse and alcoholism.
Excessive quantities of alcohol can shut down the reticular activating system, causing loss of consciousness. This reaction to excessive alcohol intake is beneficial in that it prevents further drinking.
A hypothetical group of female students, who all have the same weight have been drinking the same amount of alcohol. Who is more likely to feel alcohol effects sooner? The student who is
Congeners are compounds which are produced during fermentation. Although they contribute to the taste and appearance of the drink, they make hangover symptoms more severe.
When you need energy to do work, your body hydrolyzes one of the phosphate bonds, releasing one phosphate and energy.
Aerobic metabolism can continue
Fatty acids are ketogenic and cannot be used to form glucose.
Red blood cells do not contain mitochondria and therefore produce energy ________ in the cytoplasm.
What is the site of the liver systems which are responsible for alcohol metabolism? The
After the fat-soluble nutrients (vitamins A, D, E, K) have been absorbed through the small intestine, they can enter a metabolic pathway and be converted to energy or be stored as fat for later use.
If ketogenesis is prolonged, ketoacidosis–an excessive level of ketones in the blood–can develop, leading to
Creatine phosphate (PCr) is a compound that provides a reserve of phosphate to regenerate ADP to ATP.
Cells use ATP to provide energy for metabolic reactions.
Metabolism takes place in
The powerhouse of the cell which generates most of the cell’s energy through aerobic metabolism is called the
Insulin and glucagon are produced in the pancreas, cortisol and epinephrine are produced in the adrenal glands.
Cells only have 3-5 seconds’ worth of
With the release of one phosphate from ATP, a new molecule with only two phosphates is formed, adenosine diphosphate, or ADP. A phosphate group is added back to ADP to reform ATP during anabolism, a reaction that requires energy.
In chronic alcoholics, excess fatty deposits in the liver can eventually result in
Which meal improves energy levels throughout the course of the day? A
Catabolic reactions ________ energy as they break down large molecules into simple structures.
The most metabolically active organ in the body is the
An excessive level of ketones in the blood is
Excess kilocalories from alcohol which are not used for ATP production are converted to fatty acids and stored as
To prevent undernutrition, women should nurse their babies for the first ________ of life and to continue nursing with supplemental foods into the child’s second year of life
Community organizations have eliminated hunger permanently by providing free food and meals, and non-nutrition services such as job training.
Marginal food security is defined as one or two reported indications–typically of anxiety over food sufficiency or shortage of food in the house.
Disease, disability, mental illness, and/or drug and alcohol abuse can lead to food insecurity, and sometimes contribute to homelessness, are linked to
Food insecurity is most common in states in the
The leading worldwide cause of severe food shortages is
Uncertain access to adequate food is similar to
Chronically ill people may have malabsorption or metabolic problems or a reduced appetite.
If an individual is overweight, that individual cannot be undernourished.
Because iron, iodine, and vitamin A deficiencies are common, these nutrients have been fortified in staple foods such as flour, oil, and salt.
Effects of undernutrition include stunted growth, wasting, and impaired cognitive development, immune function, and academic performance.
Undernourished people exist because the world does not produce enough food.
Overnutrition is a form of malnutrition.
The majority of the world’s people live in developing countries.
Mothers with ________ risk passing the condition to their infants through breast milk, and therefore should be encouraged to use formula that is either canned or made from powder mixed with boiled, cool water, or to employ a non-infected wet nurse to feed their babies.
Overnutrition and undernutrition may coexist, as when an individual consumes
a diet high in refined carbohydrates and low in micronutrients.
A food desert is an impoverished area, where fresh fruits, vegetables, and other healthful whole foods are scarce, largely due to a lack of grocery stores, farmers’ markets, and healthy-food providers.
Unpredictable access to food may lead to apathy, which may lead to weight loss, anemia, decreased growth, malabsorption, and ultimately loss of muscle mass.
Food deserts make it difficult for locals to get access to nutrient- dense foods and good quality fruits and vegetables.
Undernourished children are more likely to die than well-nourished children.

HLTH 640 Quiz Protein Lipids

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