Pain is a vital sign
Indicate whether the statement is true or false.
TRUE
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Which of the following does not describe actions of interferon (IFN)?
A) IFN binds to normal, uninfected cells stimulating the activation of genes that produce anti-viral proteins. B) IFN can penetrate the viral capsid and destroy the virus. C) Virally infected cells can release interferon which attracts NK cells to attack and kill the IFN secreting cell. D) IFN will attract macrophages to the secreting cell to be removed by phagocytosis.
Explain how the analogy of a ball and a hill is useful for describing the forms of energy to beginning physiology students. Use the synthesis of glucose by plants and the break down of glucose by humans as specific examples of the energy hill.
What will be an ideal response?
Regarding the proprioceptors concerned with muscles, the ________ gives information about muscle length, whereas the ________ gives information about muscle tension
a. muscle spindle; Golgi tendon organ b. Golgi tendon organ; muscle spindle c. muscle spindle; Golgi apparatus d. Golgi apparatus; muscle spindle e. None of these.
When one hormone is needed for a second hormone to produce an effect, it is called
A) agonistic. B) antagonistic. C) synergistic. D) additive. E) permissive.