The following statement is true concerning HIV resistance to…

The following statement is true concerning HIV resistance to protease Inhibitors:    High-level resistance occurs to the reverse transcriptase enzyme.It occurs as an accumulation of stepwise mutations of the protease gene.It occurs to prevent allosteric inhibition of the reverse transcriptase enzyme.Resistance occurs as four specific substitutions of the integrase gene.A single-point mutation occurs within the integrase gene.

The following drug may be absorbed systemically, and patient…

The following drug may be absorbed systemically, and patients should be warned  against possible disulfiram-like effects with concomitant alcohol consumption:       1.        Permethrin2.        Sulfiram3.        Benzyl benzoate4.        Niclosamide5.        Praziquantel

Two solutions are separated by a membrane that contains only…

Two solutions are separated by a membrane that contains only channels permeable to water (aquaporins). The solution in the left-hand compartment contains 50 millimolar NaCl, which dissociates completely, and the right hand compartment contains 100 millimolar urea which is a small, charged molecule that does not dissociate.  Which of the following statements is correct?