Neurotransmitter is packaged in vesicles that are released in response to an action potential. This leads to a "steplike" increase in the amount of neurotransmitter being released (one step for each vesicle), termed __________
Fill in the blank with correct words.
Answer: Quantal release
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Which are the main types of phagocytes involved in the innate immune response?
A) Macrophages and neutrophils B) Macrophages and basophils C) Neutrophils and B cells D) Basophils and eosinophils
The function of the root hair plexus is to ________
A) serve as a source for new epidermal cells for hair growth after the resting stage has passed B) allow the hair to assist in touch sensation C) bind the hair root to the dermis D) cause apocrine gland secretion into the hair follicle
Which of the following is described correctly?
A) Oligodendrocytes provide the myelination in the peripheral nervous system. B) Schwann cells provide the myelination in the central nervous system. C) Schwann cells provide the myelination in the peripheral nervous system. D) Astrocytes provide the myelination in the central nervous system.
In the ear, the maculae of the utricle and saccule are specialized to respond to which sensory stimulus?
a. Angular acceleration b. Gravity c. Increases in Na+ ions within endolymph d. Sound frequency e. Sound intensity