Biology 12

  1. The movement of water across a selectively permeable membrane is called:

    B. osmosis
  2. The plasma membrane consists of:

    B. phospolipids, proteins, and carbohydrates
  3. Which of the following is necessary for diffusion to occur?

    B. a concentration gradient
  4. Which structure permits the entry and exit of dissolved materials in an animal cell?

    C. cell membrane
  5. Which of the following is a monomer of the mosaic component of the cell membrane?

    D. amino acid
  6. In a solution, the particles which are dissolved are the

    D. solute
  7. Which of the following is not found in the lymphatic system?

    A. arteries
  8. The most muscular chamber of the heart is the

    B. left ventricle
  9. Rapid production of lymphocytes in the lymph nodes would indicate the presence of

    D. an infection
  10. In the fetus, the function of the oval opening is to

    C. direct some of the blood away from the lungs
  11. Blood leaves the right ventricle via the

    D. pulmonary trunk
  12. Hypertension would be indicated by a blood pressure reading of

    B. 160/120
  13. A blood vessel that transports blood out of a capillary bed is a(n)

    C. venule
  14. The 'lub' heart sound is due to the

    A. closing of the atrioventricular valves
  15. Blood travelling from the intestines to the liver is traveling in the

    C. hepatic portal vein
  16. Why is it advantageous to have blood move slowly in the capillaries?

    B. it provides time for substances to be exchanged
  17. Accumulation of cholesterol beneath the inner linings of arteries is called

    A. atherosclerosis
  18. The pacemaker of the heart is the

    D. SA node
  19. ___________ is (are) a condition in which there are irregular dilations (stretching) of superficial veins

    B. vericose veins
  20. Systole occurs when the

    D. heart tissue is contracting
Card Set
Biology 12
Things to know for the final exam