correct Answers.
Bio 256 Final Exam 175 quizzes &
correct Answers.
Which involves movement of nutrients from food you have eaten from the
gastrointestinal tract to the blood or lymph? - ANSWER- absorption
Which is how food moves through the gastrointestinal tract by using peristalsis? -
ANSWER- propulsion
Which involves movement of indigestible solid wasters form the gastrointestinal tract? -
ANSWER- defecation
The process of deglutition results in - ANSWER- swallowing
Pepsinogen, an inactive digestive enzyme, is secreted by the - ANSWER- chief cells of
the stomach
Control of gastric secretion is provided by - ANSWER- both neural and hormonal
mechanisms
The small intestine receives ______ from the liver and gall bladder and ______ from the
pancreas. - ANSWER- bile, pancreatic juice
Which is NOT a component of bile? - ANSWER- digestive enzymes
Which is an exocrine product of the pancreas? - ANSWER- bicarbonate
Which hormone induces secretion of enzyme-rich pancreatic juice? - ANSWER- CCK
(cholecystokinin)
Bile production and secretion is promoted by - ANSWER- secretin
Most chemical digestion and absorption occurs in the - ANSWER- small intestine
Inadequate colonic water absorption results in - ANSWER- diarhea
Which is NOT a function of the normal bacterial flora of the colon? - ANSWER-
hydrolysis of proteins to supply amino acids
The stimulus that brings about the need for defecation is - ANSWER- distension of
rectum
, Bio 256 Final Exam 175 quizzes &
correct Answers.
You have just eaten a meal high in complex carbohydrates. Which of the following
enzymes will help to digest the meal? - ANSWER- amylase
The absorption of which ion is coupled to the absorption of glucose or amino acids? -
ANSWER- Na+
Digestion of table sugar requires - ANSWER- sucrase
Dietary fats are important because - ANSWER- they help the body absorb fat-soluble
vitamins
Select the correct statement about proteins - ANSWER- Proteins will be used by most
cells for ATP synthesis if insufficient carbohydrates are ingested.
Vitamins are organic compounds. They - ANSWER- often function as coenzymes to
assist in catalysis
The primary function of cellular respiration is to - ANSWER- generate ATP, which traps
some of the chemical energy of food molecules in its high-energy bonds
Gluconeogenesis is the process in which - ANSWER- glucose is formed from
noncarbohydrate molecules
The process of breaking triglycerides down into glycerol and fatty acids is known as -
ANSWER- lipolysis
Which is NOT a function of cholesterol? - ANSWER- used for energy
Triglycerides synthesized in hepatocytes are transported to adipocytes by - ANSWER-
VLDL's
Adipose tissue produces ______, sending an important satiety signal to your
hypothalamus, which controls your sense of hunger. - ANSWER- leptin
Which does NOT promote heat-loss? - ANSWER- vasoconstriction of peripheral blood
vessels
Which hormone initiates puberty? - ANSWER- gonadotropin release hormone
The seminal vesicles - ANSWER- secrete fluid that partly composes the semen
Immediately following ejaculation, the seman - ANSWER- clots
Erectile tissue of the penis are filled with - ANSWER- blood sinuses