The phrenic nerve arises from the _________ plexus and innervates the _______.
A) sacral, lower limbs
B) cervical, diaphragm
C) lumbar, abdominal wall
D) brachial, upper extremities
Answer: B) cervical, diaphragm
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The Fc region of some antibodies can trigger the activity of NK cells
Indicate whether this statement is true or false.
The immunity that occurs as a result of a vaccination is _________ immunity
A. active B. passive
Match the stage of the cell cycle with the events that occur: mitosis
A)Nondividing stage involving rapid growth B)Division of the parent cell cytoplasm into two daughter cells C)Separation of two identical sets of chromosomes to opposite sides of the parent cell D)DNA replication and preparation for division
A hypothalamic tumor that secretes large amounts of somatostatin may cause dwarfism in a young child.
Answer the following statement true (T) or false (F)