What type of cell ingests bacteria?
A. granulation tissue
B. neutrophil
C. edema
D. scar
E. secondary union
B
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Which of the following antibodies would you find in the plasma of a person with type O blood?
a) anti-A b) anti-B c) anti-A and anti-B d) No antibodies to ABO blood group antigens e) Not enough information to answer
Draw graphs showing the effects on action potentials in a postsynaptic cell of effective doses for each of the listed toxins. Assume that the cell is normally brought to threshold by the stimuli applied to its inputs, so that any abnormality is due to the toxin.
1. curare (prevents receptor from binding neurotransmitter) 2. botulinum toxin (prevents neurotransmitter release)
When a protein permanently unfolds, it has been
a. polymerized. b. denatured. c. converted to nucleic acids. d. made more efficient.
You have an accident in an organic chemistry lab and end up with a novel compound. This compound, when fed to rats, appears to stimulate dopamine secretion from the substantia nigra. You decide to try to market the drug to humans as a therapy to treat ________.
A. vertigo B. loss of voluntary motor movement following a stroke C. cerebellar disease D. nicotine addiction E. Parkinson's disease