Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane?
A) Specific sodium gates will open.
B) Specific potassium gates will open.
C) Sodium gates will open first, then close as potassium gates open.
D) A single type of channel will open, permitting simultaneous flow of sodium and potassium.
D) A single type of channel will open, permitting simultaneous flow of sodium and potassium.
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The primary lymph sacs eventually develop into the
A. thoracic duct and right lymphatic duct. B. lymph nodes. C. spleen and thymus gland. D. tonsils and MALT. E. spleen.
Separation of the inner cell mass from the trophoblast forms the
A) blastocoele. B) lacunae. C) amniotic cavity. D) chorion. E) allantois.
The reabsorption of both sodium and potassium is carefully regulated.
Answer the following statement true (T) or false (F)
The joint between the head of the radius and the ulna is a ________ type of synovial joint
A) pivot B) ball and socket C) condylar D) saddle