Chapter 15 Pt. 3 (Final Exam Pt. 11) Flashcards
(42 cards)
What are diseases of the colon?
diarrhea constipation hemorrhoids diverticula colorectal cancer
What is diarrhea?
too little water is absorbed causing very liquid and loose stools
What is constipation?
if material passes through the colon too slowly, too much water is absorbed, resulting in hard stools
What are hemorrhoids?
stretched veins
What is diverticula?
small punches that bulge outward
What is the difference between divericulous and diverticulitis?
divericulous- when diverticula are present but don’t cause problems or symptoms
diverticulitis- if the diverticula become infected with bacteria and inflamed
What is colorectal cancer?
cancers of the colon or rectum
What is the the 2nd leading cause of cancer deaths?
colorectal cancer
energy is measured in a unit called a ________
calorie
What are essential amino acids and essential fatty acids?
substances that the body cannot synthesize
What is meant by essential in essential amino acids and fatty acids?
the substances met be included in the diet because the body cannot produce them
What is a nutrient?
a substance in food that provides energy; becomes part of a structure; or performs a function in growth, maintenance, or repair
What are the 3 different types of nutrients?
(1) lipids (fats)
(2) carbohydrates
(3) proteins
What is a lipid (fat)?
a triglyceride is a molecule made from 3 fatty acids attached to a molecule of glycerol
lipids include ____, ____, and _________
fats
oils
cholesterol
What is cholesterol?
are essential components of all cell membranes
Blood cholesterol comes from what 2 sources?
(1) the diet
(2) the liver
What is the difference between low density lipoproteins (LDLs) and high-density lipoproteins (HDLs)?
low density lipoproteins (LDLs)- are considered to be a damaging, or bad, form of cholesterol
high-density lipoproteins (HDLs)- carry cholesterol from the cells, perhaps even from the artery walls, to the liver for elimination
Which type of fats are bad for the heart?
saturated fats and trans fats
Which type of fats are good for the heart?
monounsaturated fats and polyunsaturated fats
What are carbohydrates?
primarily from plant sources and include sugars, starches, and roughage, or dietary fiber
What is the most important function of carbohydrate?
to provide fuel for the body
What are the 2 different types of carbohydrates?
(1) simple carbohydrates
(2) complex carbohydrates
Sugars are what type of carbohydrate?
simple carbohydrates