When a neurotransmitter causes the opening of chemically gated potassium channels on the postsynaptic cell, the postsynaptic potential that results is an
A. EPSP, which is a hyperpolarization
B. IPSP, which is a hyperpolarization.
C. EPSP, which is a depolarization.
D. IPSP, which is a depolarization.
Answer: B
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Milk production in the mammary glands
A) begins to occur at the start of each monthly cycle, but only continues if pregnancy occurs. B) is initiated during the birth process. C) is stimulated by a combination of hormones including prolactin, growth hormone, and human placental lactogen. D) occurs by the process of meiosis. E) None of the answers are correct.
What does the Dura Matter tapers from inferiorly?
A. Coccygeal ligament B.Adipose tissue C. Dorsal Ramus D. Spinal nerve
Which of the following is a depressor of the scapula?
a. Upper trapezius. b. Upper pectoralis major. c. Lower trapezius. d. Serratus anterior.
The placenta is expelled from the uterus during the ________ stage of labor
A) placental B) expulsion C) dilation D) contraction E) afterbirth