Bio 4

  1. Vertebrates have

    A. radial symmetry and a true body cavity (coelomate)
    B. radial symmetry and a solid body (acoelomate)
    C. bilateral symmetry and a true body cavity (coelomate)
    D. bilateral symmetry and a solid body (acoelomate)
    E. none of the above
    C. bilateral symmetry and a true body cavity (coelomate)
  2. During embryonic development Deuterostomes (like humans) show:




    D. radial (indeterminate) cleavage and the blastopore becomes an anus
  3. During embryonic development in vertebrates muscles are derived from



    A. mesoderm
  4. Which (if any) of the following is not considered an organ system?





    E. All of the above are considered to be organ systems
  5. Which (if any) of the following is not a function of skin





    B. connect groups of muscles
  6. True or False:
    Epithelial (skin and lining) cells are very long lived and are replaced only after an injury to the tissue.

    A. True
    B. False
    B. False
  7. How does the human skeleton compare from the shark skeleton




    C. the shark is composed of cartilage the human is composed of bone
  8. True or False:
    Bone is composed of dead mineralized collagen that is added to but not replaced during growth.

    A. True
    B. False
    B. False
  9. Most voluntary movement in a vertebrate body is accomplished by:




    B. Muscles pulling bones to bring them closer together
  10. Which statement best reflects haw contraction of a muscle fiber is accomplished?




    D. ATP powers a sliding of actin fibers past myosin
  11. How does the smooth muscle of blood vessels, stomach and intestine differ from skeletal
    muscle?




    D. Smooth muscle is involuntary, skeletal muscle is voluntary
  12. What sort of a signal causes a skeletal muscle to contract?




    B. An adjacent nerve cell releases a chemical neurotransmitter
  13. How does the circulatory system of a human compare with that of an·insect?



    A. the human has a closed system, the insect is open
  14. Which of the following systems does not exchange with the circulatory system in vertebrates?





    E. all of the above exchange with the circulatory system
  15. Blood from the left ventricle goes:





    A. to the aorta and the body
  16. The bulk of oxygen in the blood is carried




    A. bound to hemoglobin in the red blood cells
  17. Compare the speed of liquid flow in capillaries and the aorta.

    A. faster in capillaries because they are narrower
    B. slower in capillaries because they are narrower
    C. faster in capillaries because the total diameter
    of all the capillaries is greater than the diameter of the aorta
    D. slower in capillaries because the total diameter of all the capillaries is greater than the diameter of the aorta
    E. the same because the total volume of blood is constant
    D. slower in capillaries because the total diameter of all the capillaries is greater than the diameter of the aorta
  18. During countercurrent exchange in fish gills,
    where blood first enters the gills:

    A. Oxygen-rich blood encounters oxygen-poor water
    B. Oxygen-rich blood encounters oxygen-rich water
    C. Oxygen-poor blood encounters oxygen-poor water
    D. Oxygen-poor blood encounters oxygen·rich water
    E. Oxygen-poor and oxygen-rich blood mix together with oxygen-rich water
    C. Oxygen-poor blood encounters oxygen-poor water
  19. The air sacks of the lung where gas exchange takes place are called:





    A. alveoli
  20. Essential amino acids are





    D. those the body can not synthesize
  21. Given an equal serving weight




    content
    C. fats have more calories than carbohydrates
  22. The digestion of starch begins:





    E. in the mouth
  23. The pH of the stomach is:



    A. highly acidic
  24. How is glucose concentration in the blood regulated?

    A. When the concentration is high insulin causes
    glucose to be removed from blood
    B. When the concentration is low insulin causes
    glucose to be removed from blood
    C. When the concentration is high insulin causes
    glucose to be added to blood
    D. When the concentration is low insulin causes
    glucose to be added to blood
    A. When the concentration is high insulin causesglucose to be removed from blood
  25. What mechanisms are not used in the production of urine by the mammalian kidney?




    D. All the above are used in the production of urine
  26. In most circumstances,how does the solute (salts
    and urea) concentration of mammalian urine in the
    bladder compare with that of blood entering
    the kidney?



    B. the solute concentration in the urine is higher
  27. Which of the following pathways is most common in the nervous system?





    B. sensory neuron - interneuron - motor neuron
  28. What is the correct path for the flow of the signal in a single neuron

    A. synaptic terminal (release neurotransmitter) dendriteaxon
    B. axonsynaptic terminal (release neurotransmitter) dendrite
    C. synaptic terminal (release neurotransmitter)
    axondendrite
    D. dendrite - synaptic terminal (release neurotransmitter) axon
    E. dendrite - axon - synaptic terminal (release neurotransmitter)
    E. dendrite - axon - synaptic terminal (release neurotransmitter)
  29. True or False: Nervous signals are carried along the axon by a wave of depolarization and between nerve cells by neurotransmitters

    A. True
    B. False
    A. True
  30. Autonomic functions like breathing and digestion are controlled by the



    A. medulla oblongata
  31. Which of the following is not true concerning steroid hormones?





    B. they are composed of amino acids and the receptors ore on the cell surface
  32. Which (if any) of the following is not part of the human endocrine system?





    E. all of the above are part of the human endocrine system
Author
dk7991
ID
85805
Card Set
Bio 4
Description
Bio 4
Updated