Question: Which of the following pharmacokinetic characteristics of aminoglycoside antibiotics is not correct: 
 Options:  <1> They are not absorbed practically in the gastrointestinal tract of normal patients. <2> They are absorbed in patients with severe renal insufficiency. <3> They have a very slow distribution phase. <4> They are not metabolized. <5> They present a second phase of very slow elimination.
3