Test 3 Nutreitional sciences

Card Set Information

Author:
lindseypb
ID:
152690
Filename:
Test 3 Nutreitional sciences
Updated:
2012-05-07 11:12:35
Tags:
review
Folders:

Description:
Review quiz
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user lindseypb on FreezingBlue Flashcards. What would you like to do?


  1. Jan is about to eat a slice of pizza. In what order will her body process the pizza within her GI tract?

    a) mouth, esophagus, ileum, duodenum

    b) mouth, esophagus, small intestine, stomach, large intestine

    c)mouth, esophagus, stomach, duodenum, large intestine
    C
  2. Large meals leave your stomach faster than small meals T/F
    True
  3. The reaction H2---->2H+ 2E- represents

    a) redox

    b)reduction

    c)oxidation
    C
  4. As a result of cancer, Mike had to have part of his cecum removed. Mike is at less risk for nutrient absorbtion problems than if he had his ____ removed.

    a) stomach

    b) small intestine

    c) gallbladder
    B
  5. The chemical reaction NaAl (SO4)+ 3 NaHCO3----> Al (OH)3 + 2 Na2SO4 + 3 CO2 represents what usually happens when baking powder reacts chemically while making a cake. Tis is an example of_______.

    a) A change in PH

    b) hydrolysis

    c)a redox reaction

    d) metabolism
    C
  6. What system controls physiological functions through production and release of hormones?

    a) reproductive

    b) endocrine

    c)digestive

    d) muscular
    B
  7. Water soluble nutrients absorbed from the digestive tract ae circulated directly to the:

    a) heart

    b) kidneys

    c)liver

    d) lymph
    C
  8. Fat soluble molecules eventually enter the blood by way of the _____

    a)systemic artery

    b) pulmonary circulation

    c)portal-hepatic vein

    d) thoracid duct
    D
  9. Positively charged ions are called cations, while negatively charged ions are called anions

    T/F
    True
  10. While driving, you see an ad for your favrite fast food place and your stomach begins to growl, what phase of digestion is occuring?

    a)cephalic

    b) gastric

    c)neural

    d) responsive
    A
  11. In the notation 5 C6H12)6 what does the 5 indicate?

    a) the number of atoms in the molecule

    b)the number of different molecules present

    c) the number of molecules present
    C
  12. During endocytosis substances move from the intracellular into the extracellular environment T/F
    False
  13. Pancreatic enzymes are released into the duodenum in response to:

    a)CCK

    b) pancreatic amylase

    c)secretin
    A
  14. Digestive enzymes break starch and protein into smaller components through the chemical process of:

    a) osmosis

    b) ectocytosis

    c) hydrolysis
    C
  15. Which subatomic units are found in the nucleus of an atom?

    a) neutrons and protons

    b) neutrons and electrons

    c)Quarks and electrons
    A
  16. Within the bodys cells, there are small membrane-bound compartments called _____ tha carry out specialized functions that are critical for life.

    a) phospholipids

    b) functioning spaces

    c) organelles
    C
  17. Active transport systems include those that are carrier-mediated and _____ transport.

    a) vesicular

    b) extracellular

    c)luminal

    d)chemical
    a
  18. By detecting an imbalance, communicating information avout this imbalance, and responding to this imbalance, the body is able to maintain_______.

    a)growth

    b) homeostasis

    c)gastric motility
    B
  19. The fluid that surrounds the interstatial fluid that surrounds cells is called the intracellular fluid

    T/F
    false
  20. Substances cross cell membranes via active and passive transport T/F
    True
  21. In the GI tract, there is a single sphincter that regulates flow of luminal contents from one organ to the next.

    T/F
    False
  22. Vitamin _____ is produced in the intestinal bacteria

    a) A

    b) D

    c) K
    C
  23. Structures called _____ regulate the flow of material through the GI tract

    a) sphincters

    b) enzymes

    c)hormones
    A
  24. The secretions needed for digestion include water, acid, enzymes, and ____


    a) blood\

    b) lymph

    c) hydrolytes

    d)bicarbonate
    D
  25. What does the muscularis do?

    a) stimulates the contraction of the muscles that control the beating of the heart

    b)controls the contraction and expansion of the lungs

    c) enables food to mix and move through the GI tract
    C
  26. Meat turns brown when exposed to air because the iron containing proteins _____.


    a)become contaminated with bacteria

    b) are reduced

    c) are oxidized
    C
  27. What is it that regulates facilitated diffusion?

    a) net movement of water across the cell membrane

    b) level of energy available to support the transport

    c) membrane-bound transport protein
    C
  28. IBD, which is characterized by inflammation of the lining of the GI tract, is classified as an ______ disease

    a) infectious

    b) autoimmune

    c)genetic

    d) ulcerative
    B
  29. The hormone insulin, which is roduced by the cells of the pancreas, is released into the surrounding extracellulat fluid by an energy requiring process called _____.

    a) exocytosis

    b)secretion

    c)emission

    d) endocytosis
    A
  30. What are proteins, carbohydrates and lipids composed of?

    a) energy

    b) elements

    c) tissues

    d) calories
    B

What would you like to do?

Home > Flashcards > Print Preview