Brainarium

How do we know that interstellar gas exists? - Because of optical emission lines (produced by hot hydrogen), radio emission (produced by cold gas), and absorption features in stellar spectra added by cold interstellar gas. What is the cause of astronomical 'reddening'? - It is the effect of dust in interstellar space absorbing blue light more readily than red light; therefore as star light passes through dust more of the red light makes it through making the star appear redder than it...

Average density of Earth vs. density of rocks at the surface - ️️average density of Earth is 5.5 g/cm3 vs 1-3 g/cm3 What makes up Earth's interior - ️️crust mantle and core, asthenosphere and lithosphere Three compositional layers of the earth - ️️crust, mantle, core Two mechanical layers of earth - ️️Lithosphere and Asthenosphere Earth systems interactions - ️️atmosphere, hydrosphere, biosphere, geosphere Earth's energy sources - ️️External- from the sun- so...

Name the 4 basic types of security loss: - ️️unauthorized data disclosure incorrect data modification denial of service (DOS) loss of infrastructure someone pretending to be someone else - ️️Spoofing technique for intercepting computer communications - ️️Sniffing Disclosure during recovery, incorrect data recovery, service interruption and property loss are all losses that may occur upon which threat? - ️️Natural Disasters Pretexting, phishing, spoofing, sniffing, hacking...

Advantages of flight - ️️escape from predators, new food sources, different locations, more colonization because of better resources, migration characteristics of birds - ️️elaborate courtship rituals, fertilization is internal, eggs must be kept warm through brooding characteristics of mammals - ️️hair, sweat glands, mammary glands, and four chambered hearts Monotremes - ️️Egg laying mammals marsupial - ️️A mammal, such as a koala, kangaroo, or opossum, whose young c...

Leader-Member Exchange (LMX) Theory - ️️Leader has 2 types of relationships with subordinates - In group members (cadre) - high quality relationship with mutual respect - Out group members - low quality relations that portray lower levels of trust and respect Transactional Leadership - ️️when employees demonstrate the right behaviors because the leader provides resources in exchange Transformational Leaders - ️️lead by aligning followers/leaders goals to bring change Authenti...

HMGT 2460 EXAM PACKAGE DEAL SCORED A+

Which of the following is a set of nutritional reference values for the United States and Canada that applies to healthy people? - ️️Dietary Reference Intakes (DRI's) Energy is received from carbohydrates, proteins and fats in the foods we eat. Energy is measured in units and are the amount of heat required to raise the temperature of one kilogram of water by one degree Celsius. - ️️Kilocalorie (kcal) There are many health claims about specific nutrients. Scientists use a standar...

Which vitamin is a coenzyme for the production of proteins involved in the clotting of blood and in bone metabolism? - ️️Vitamin K Fluoride, a trace mineral, assists in the development and maintenance of our teeth and bones. Too much fluoride can result in what? - ️️Fluorosis Selenium is involved in the maintenance of basal metabolism and body temperature. This trace mineral is only needed in minute amounts to maintain health. Which of the following are good sources of selenium? - ...

This type of disease can develop slowly over a long period of time, often despite treatment. - ️️Chronic This is listed by the Centers for Disease Control and Prevention (CDC) as one of the ten leading causes of death in the US - ️️Diabetes Poor nutrition is strongly associated with heart disease, stroke, and diabetes. Therefore, what is the primary link between poor nutrition and early death? - ️️Obesity Which of the following nutrients provides energy? - ️️Protein Simila...

Which behaviors can help you improve your diet quality when eating out? - ️️Choosing lower fat meats that are grilled or broiled with vegetables Moderation is part of a healthy diet. What is an example of moderation? - ️️Portion size The Percent Daily Value is the amount one serving of food contributes to overall intake of a specific nutrient. Percent Daily Value is based on how many calories? - ️️2000 Which of the following are compounds found in plants that are believed to ha...

Lipoproteins play a major role in cardiovascular disease due to the proportion of lipid to protein. Which lipoprotein is also referred to as "bad cholesterol"? - ️️LDL (low density lipoprotein) Most dietary fat is absorbed in the enterocytes with the help of micelles. In what organ does this occur? - ️️Small intestine Which lifestyle choice can best help prevent or control cardiovascular disease (heart disease)? - ️️Decrease saturated fat intake to less than 7% of total c...

Use the provided Nabisco Graham Cracker Nutrition Facts Label to answer this question. Calculate the energy provided by protein in the crackers by multiplying the number of grams of protein per serving by 4 calories/gram. How many calories are provided by Protein in one serving of graham crackers? - ️️8 Use the provided Nabisco Graham Cracker Nutrition Facts Label to answer this question. Calculate the energy provided by fat by multiplying the number of grams of fat per serving by 9 c...

Using the Nutrition Facts label for Oreos on the lab worksheet, answer the following: How many calories are provided by carbohydrates in one serving? (carbohydrates contain 4 calories/gram) - ️️100 Using the Nutrition Facts label for Oreos on the lab worksheet, answer the following: How many calories are provided by protein in one serving? (proteins contain 4 calories/gram) - ️️4 Using the Nutrition Facts label for Oreos on the lab worksheet, answer the following: How many grams o...

When two amino acids join together, the amine group of one binds to the acid group of another in a unique type of chemical bond. What is the name of this bond? - ️️Peptide bond Pepsin is the enzyme in the stomach that begins the breakdown of proteins. This enzyme continues the breakdown of proteins in the small intestine. - ️️Protease When proteins are exposed to heat, acids, bases, heavy metals, alcohol or other damaging substances, they are denatured. What happens during this pro...

The primary function of Vitamin E is as an antioxidant. Vitamin E helps reduce the risk of cardiovascular disease by protecting which lipoprotein from being oxidized? - ️️LDL What are the best sources of Vitamin E - ️️Nuts/Seeds This is a precursor of vitamin A and also acts as a provitamin. - ️️Beta-carotene This plant pigment also has antioxidant properties and is the basis for the red, orange, and deep yellow of fruit and vegetables. - ️️Carotenoids What Happens during ...

This is the amount of fiber we should consume each day, as recommended by the Dietary Guidelines for Americans (DGA). - ️️14 grams per 1,000 calories You can use Nutrition Facts to build a healthy diet. Which of the following is NOT a guideline to use when using Nutrition Facts? - ️️8 or more grams of fiber per servin

This trace mineral is considered an antioxidant and is part of glutathione peroxidase. It helps spare Vitamin E and prevents oxidative damage to our cell membranes. - ️️Selenium This antioxidant is also a fat-soluble vitamin and is found in many foods, such as vegetable oils, nuts, and seeds. - ️️Vitamin E This is a chemical reaction in which molecules of a substance are broken down into their component atoms. During this process, atoms lose electrons. - ️️Oxidation Retinol, c...

Ingredients are listed in descending order according to weight on an ingredient list. Which ingredient does Oreos contain the most of? - ️️Enriched Flour How many cookies are in an entire package - ️️36 Sugar is what percentage of total carbohydrates in one serving - ️️56% One serving of Oreos is what percentage of a 2,000 calorie diet - ️️85% If you followed a 2,000 calorie diet, what percentage of the recommended amount for saturated fat would you consume if you ate two s...

The USDA Food Patterns were developed to help Americans incorporate the Dietary Guidelines for Americans into everyday lives. How many food groups make up the USDA Food Patterns? - ️️5 The Dietary Guidelines for Americans are a set of principles that apply to healthy people. How often are these principles updated?. - ️️Every 5 years The fruit food group of the USDA Food Pattern states juice is just as good as the whole fruit. - ️️False USDA recommends limiting empty calories i...

who are the highest users of over-the-counter diet pills - ️️women ages 18-34 what calorie burning activity refers to fidgeting and foot tapping - ️️non-exercise activity thermogenesis what is the recommended method for gaining weight - ️️eating a greater variety of foods what does Heuer's study of images of overweight and obese individuals in the media reveal? - ️️images were often taken from side or rear views what is the average amount of weight a Canadian adult gain...