Binding of an excitatory neurotransmitter to a postsynaptic neuron causes
a. voltage-gated Na+ channels open
b. voltage-gated K+ channels open
c. chemically-gated Na+ channels open
d. voltage-gated Cl- channels open
e. chemically-gated Cl- channels open
C
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The vessels merging to form the SVC are the right and left subclavian veins.
Answer the following statement true (T) or false (F)
The spinal cord is encased in and protected by the:
A. spinal canal. B. vertebral body. C. vertebral arch. D. intervertebral disc.
Describe the roles of the natriuretic peptides
A) The roles of these peptides are to trigger responses whose combined effects are to increase blood volume and increase blood pressure. B) The roles of these peptides are to trigger responses whose combined effects are to increase blood volume and decrease blood pressure. C) The roles of these peptides are to trigger responses whose combined effects are to decrease blood volume and increase blood pressure. D) The roles of these peptides are to trigger responses whose combined effects are to decrease blood volume and decrease blood pressure. E) The roles of these peptides are to trigger responses whose combined effects are complementary to angiotensin II.
As a child, you had the chicken pox. You are exposed to chicken pox several years later, but you do not get them again. What kind of immunity do you have?
A. Natural active B. Artificial active C. Natural passive D. Artificial passive