Neutrophils are the first phagocytes to leave the blood and arrive at a site of bacterial invasion or tissue damage
Indicate whether the statement is true or false
T
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Renal production of ________ is stimulated by hypoxemia.
A. colony-stimulating factor B. erythropoietin C. renin D. thrombopoietin
Puffer fish poison blocks voltage-gated sodium channels like a cork. What effect would this neurotoxin have on the function of neurons?
A) Neurons would depolarize more rapidly. B) Action potentials would lack a repolarization phase. C) The absolute refractory period would be shorter than normal. D) The axon would be unable to generate action potentials. E) None, because the chemically gated sodium channels would still function.
Which of the following is a concern with the ear drum?
a. packing wax into the ear canal b. damaging the ear drum during cleaning c. use of cotton tipped applicators during cleaning d. all of the above
Which of the following chewing muscles attaches to the sphenoid bone?
A. Lateral pterygoid B. Temporalis C. Masseter D. Genioglossus E. Digastric