chapter 3 Flashcards
Do spicy foods cause ulcers?
No, though spicy or acidic foods may irritate an existing ulcer.
what is the difference between probiotic & prebiotic?
PROBIOTIC: contain live bacterial cultures that can survive transit through the gastrointestinal tract & take up residence in large intestine.
PREBIOTIC: contain substances that stimulate the growth of beneficial bacteria that are already present in the large intestine.
what are drawbacks of using laxative medications for the treatment of functional constipation?
Most are associated w/ side effects, they can cause addiction, & can only be used for limited period(s).
For a person with celiac disease, exposure to dietary gluten results in damage to what?
The small intestine.
arrange the following levels of organization of the human body from smallest/least complex to largest/most complex:
tissue, organ, cell, organism, organ system.
cell, tissue, organ, organ system, organism.
The cell membrane is a double membrane made of what?
phospholipids.
fat-soluble molecule cholesterol does what for the membrane?
provides rigidity & stability
what are the purposes of the 4 main tissues: epithelial, nervous, connective, muscle.
epithelial: tissue that lines the outside of the body & all external passages w/in it. Epithelial cells secrete important substances, absorb nutrients, and excrete waste.
NERVOUS: tissues w/ branched cells that transmit impulses, designed for communication.
CONNECTIVE: tissue that holds different structures in the body together. Supports & protects the body, stores fat, & produces blood cells.
MUSCLE: tissue adapted to contract to cause movement.
