Red blood cells are placed in a solution of 0.9% NaCl and no diffusion or osmosis is observed. This means that the solution is ________.
A. hypertonic
B. hypotonic
C. isotonic
D. isertonic
Answer: C
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Indicate whether the statement is true or false.
The second branch off the abdominal descending aorta is the
A. celiac artery. B. IMA. C. right renal artery. D. left renal artery. E. SMA.
Which of the following statements about lymph flow in a node is false?
A) Lymph enters in an afferent lymphatic. B) Lymph first enters the subcapsular space. C) Lymph flows past dendritic cells. D) The efferent lymphatic exits at the hilum. E) The afferent lymphatic enters at the hilum.
The epidermal dendritic cells are able to play an important immune response role by their phagocytic activity.
Answer the following statement true (T) or false (F)