When a neurotransmitter binds to a receptor on a postsynaptic membrane, a depolarization will always occur.
a. true
b. false
b. false
the neurotransmitter will promote either a depolarization or a hyperpolarization depending upon the receptor.
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The two major control systems of the body are the ____________________ and the ____________________
Fill in the blank(s) with correct word
Sally has elevated blood calcium levels. Which substance would you expect to find in high levels in response to this condition?
A. Growth hormone B. Vitamin D C. Sex hormones D. Calcitonin E. Parathyroid hormone
The proximal convoluted tubule and nephron loop are subject to hormonal regulation for sodium and water reabsorption.
Answer the following statement true (T) or false (F)
Puberty is initiated when a region of the brain begins secreting
A. luteinizing hormone. B. estrogen or testosterone. C. follicle-stimulating hormone. D. gonadotropin-releasing hormone. E. androgens.