Nutrition connect
Which nutrient plays a vital role in providing structural support to body cells and tissues?
proteins
___ help regulate acid-base balance in the blood
proteins
the liver and kidneys must work hard to use protein to meet energy needs because
proteins require a lot of processing to produce energy
What is associated with health benefits because of the phytochemical, resveratrol that it contains
red wine
final digestion of protein occurs in the
small intestine
all of the following are components that make up an amino acid except
sodium
Where does the digestion of protein begin
stomach
which of the following water-soluble vitamins may be deficient in the diet of someone with excessive alcohol intake?
thiamin, folate, vit b-6, niacin
Which hormone is made only from one amino acid
thyroid hormone
the hormones secretin and CCK act to stimulate the pancreas to release
trypsin, chymotrypsin, carboxypeptidase
the initial alcohol produces through the process of fermentation occurs when ____, a microorganism, metabolizes the simple sugars present for use as energy
yeast
About 25% of college students report ____ from their drinking
academic problems
Cancer is related to alcohol consumption due to this compound, ____, which is known as carcinogen that is formed during the metabolism of ethanol
acetaldehyde
the blood proteins ___ are important in maintaining fluid balance
albumin and globulin
Which calorie source is absorbed rapidly throughout the digestive tract via simple diffusion
alcohol
What enzymes are involved in alcohol metabolism?
alcohol dehydrogenase aldehyde dehydrogenase
The enzyme used in ethanol metabolism that converts acetaldehyde into acetyl-CoA is called ______
aldehyde dehydrogenase
a(n) ____ ____ is composed of 4 elements: a nitrogen group (amino) , an acid (carboxyl), a hydrogen, and a side group (R)
amino acid
what is the term used for the building blocks of protein
amino acid
if carb intake is inadequate to maintain blood glucose levels, the liver is forced to make glucose from the ___ present in body tissues
amino acids
most of the ___ released throughout the body can be recycled to become part of the pool available for synthesis of future proteins
amino acids
nonessential amino acids are also called
dispensable amino acids
which one of these foods has the highest biological value?
egg whites
indispensable amino acid is another term for a(n)
essential amino acid
______ is the chemical term for the form of alcohol found in alcoholic beverages
ethanol
the alcohol content of ____ is related to the amount of alcohol in the blood
exhaled air
the ___ conversion of protein to amino acids takes place in the small intestine
final
What hormones stimulates the stomach's parietal cells to produce hydrochloric acid?
gastrin
Excessive alcohol consumption is associated with an increased risk for which diseases?
heart failure, cancer, accident, suicide, stroke, hypertension
blood proteins have what type of influence on the body fluids
help to maintain body fluid
cirrhosis is characterized by the loss of functioning _____
hepatocytes
amino acids are important in the synthesis of many ___, such as insulin and glucagon
hormones
a persons health will deteriorate if ___ amounts of protein are consumed
inadequate
Alcohol may reduce the risk of heart disease via which of the following mechanisms?
increased HDL levels decreased platelet aggregation lower LDL levels
except for ____, intact proteins are rarely absorbed from the digestive tract
infancy
proteins that are ___ are rarely absorbed from the digestive tract
intact
Which of the following minerals may be deficient in an alcoholic?
iron calcium magnesium
Women become intoxicated on ___ alcohol compared to a similar-size man
less
Women produce ___ alcohol dehydrogenase compared to men
less
Long-term alcohol abuse damages the _____
liver
When carbohydrates are in short supply, the ___ can make glucose from amino acids present in body tissues
liver
Blood alcohol concentration can be readily determined by measuring the amount of alcohol excreted through the _____
lungs
Which gender consumes alcohol at a higher rate?
men
Which of the following occurs when a person consumes less protein than what is needed?
negative protein balance
all proteins contain ___
nitrogen
amino acids are unique among the energy-yielding nutrients because they contain
nitrogen
alcohol requires ___ digestion
none
the cells lining the stomach metabolize _____ of alcohol consumed
only 10-30%
like carbohydrates and lipids, proteins are made up of ____ (check all that apply)
oxygen, carbon, hydrogen
The hormones secretin and CCK are made in the small intestine but act upon the
pancreas
Which group should not drink alcoholic beverages?
people taking medications, younger than legal drinking age, women pregnant
this enzyme is produces by the stomach to break down protein
pepsin
____ proteins are heart-healthy because they contain no cholesterol
plant
identify the different levels of protein organization
primary structure secondary structure tertiary structure quaternary structure
Amino acids are the basic elements used in the synthesis of ___
protein
The liver and kidneys must work hard to derive energy from ________, which makes it a costly source of calories
protein
The nutrient that serves in the regulation and maintenance of the human body by aiding in fluid balance, cell synthesis and repair, and visual processes is ____
protein
Which macronutrient is a key component of the cells within the immune system and makes up many of the antibodies that defend the body from illnesses
protein
which is the most widely used measure of protein quality?
protein digestibility corrected amino acid score (PDCAAS)
Which of the following occurs when the amount of protein consumed equals the amount of protein lost
protein equilibrium
When protein balance is reaches, ___
protein intake equals protein loss
The type of malnutrition seen in alcoholics who consume alcohol for the majority of their calories is ______.
protein-energy malnutrition
There are 9 essential amino acids that _____ (check all that apply)
- cannot be produces by the body - must be consumed as part of our diet
the 11 nonessential amino acids ____ (check all that apply)
- do not need to be present in the diet - can be made in our bodies
lack of protein can negatively affect many metabolic processes causing ___ (check all that apply)
- increased risk of infection - inefficient functioning of the immune system
Why can't indispensable amino acids be made in our body? (check all that apply)
- must be obtained by foods - body cells cannot make carbon skeleton of amino acid - cannot attach an amino group to carbon skeleton - cannot do the whole process fast enough to meet the body's needs
proteins serve which of the following functions?
- regulate and maintain essential body functions - aid in cell synthesis - play a role in enzyme and hormone production
how do proteins contribute to acid-base balance of the blood?
- serve as buffers that resist changes in pH - pump ions into and out of cells
the role of gastrin is to (select all that apply)
- stimulate the production of acid in the stomach - control the release of pepsin
the amino acids needed for the synthesis of protein are supplied by (select all that apply)
- the diet - recycling of body protein
Damage to liver in long-term alcohol intake, put the following terms in order from first to occur to last to develop
1. fatty liver 2. alcoholic hepatitis 3. cirrhosis
process of protein digestion from start to finish
1. proteins are partially digested in the stomach by the enzyme pepsin and hydrochloric acid 2. The final digestion of protein to amino acids occurs in the small intestine 3. Amino acids are absorbed into the portal vein and transported to the liver 4. Little dietary protein is present in the feces
egg what protein has a biological value of ____
100
there are ___ nonessential amino acids
11
A standard drink is equal to a _____
12 ounce beer
How many grams of alcohol are in a standard drink?
14 grams
Over the course of a year, approximately ___ of North American adults consume alcohol
70%
how many amino acids are considered essential
9
Which pathway is capable of metabolizing 10 to 30% of alcohol via the cells in the stomach lining
ADH or alcohol dehydrogenase
Which of the following beverages are sources of alcohol in the diet?
Beer, cordials, distilled spirits, wine
Alcohol is derived from the process of ___ when yeast consumes carbohydrates and converts them to alcohol and carbon dioxide
Fermentation
Which organ is the primary site for alcohol metabolism
Liver
Which pathway is the main one responsible for metabolizing excessive amounts of alcohol?
MEOS
Which pathway is the main responsible for metabolizing excessive amounts of alcohol?
MEOS or microsomal ethanol oxidizing system
this score is derives by multiplying a food's chemical score by its digestibility
PDCAAS
Chyme triggers the release of which hormones? (check all that apply)
Secretin, CCK
Which other factors besides the alcohol content of the beverage, the amount of alcohol consumed, and the individual's usual alcohol intake affect alcohol metabolism?
Sex, age, ethnicity
Which shape of the protein determines the function?
Tertiary
Which of the following affect alcohol metabolism?
The individual's usual alcohol intake Alcohol content of the beverage The amount of alcohol consumed
identify a key component of the immune system
antibody proteins
Which individuals experience uncomfortable effects after consuming alcohol, likely leading to low alcohol use in this population?
asians
pepsin acts to digest protein by ___ in the protein molecule
breaking only a few peptide bonds
Amino acids that are dispensable ___
can be made from other amino acids
amino acids that are dispensable ___-
can be made from other amino acids
like carbs and lipids, proteins are made up of ___ (check all that apply)
carbon, hydrogen, and oxygen
plant proteins are heart-healthy alternative to animal proteins because they typically contain less or no ___ than animal sources of protein
cholesterol saturated fat
___ triggers the release of hormones from the walls of the small intestines that go on to stimulate the pancreas to release proteases
chyme
____ triggers the release of hormones from the walls of the small intestines that go on to stimulate the pancreas proteases
chyme
Which structural proteins make up more than a third of the body protein? (select all that apply)
collagen, actin, and myosin