When a single presynaptic neuron repeatedly releases neurotransmitter in a very short period of time, it results in ________ summation in the postsynaptic neuron.
Fill in the blank(s) with the appropriate word(s).
temporal
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Which of these factors does not affect hemoglobin's affinity for oxygen?
A) RBC metabolic activity B) temperature C) electrolyte balance D) the PO2 of blood E) blood pH
Define botulism
What will be an ideal response?
An antibody test on smooth muscle reveals fewer dense bodies and intermediate filaments in a patient with a colon disorder. What is the purpose of these structures?
A. They act as enzymes that remove phosphate from myosin. B. They are part of the intracellular cytoskeleton. C. They maintain relatively constant tension in smooth muscle for a period of time. D. They are shallow invaginations of plasma membrane. E. They allow for rapidly developing action potentials in smooth muscle cells.
What are the layers of bony matrix in compact bone tissue called?
a. Diploe
b. Lamellae
c. Trabeculae
d. Canaliculi