Which antibiotic class has bacteriocidal activity, post antibiotic effect, concentration dependent killing and excellent gram negative organism coverage?

Mr. Brad Pitt has a documented anaphylactic reaction to penicillin.  What other antibiotic class is likely to cross-react and thus should possibly be avoided in this patient?

Find the critical values and determine the intervals where f(x) is increasing and f(x) is decreasing if  

Find the inflection point(s) for f(x) = .

The chemotherapeutic spectra that most likely may precipitate superinfections is:

Preferred therapy for insomnia includes newer GABA-benzodiazepine receptor agonist hypnotic agents (such as zolpidem (Ambien), Zaleplon (Sonata),  Eszopiclone (Lunesta).  These agents:

Because of material shortages, it is increasingly expensive to produce 6.2L diesel engines. In fact, the profit in millions of dollars from producing x hundred thousand engines is approximated by  where  Find the inflection point of this function to determine the point of diminishing returns.

Assume x = x(t) and y = y(t). Find  and  = 2 when  and

If an opened bottle of sterile solution is set on a counter without a top it is considered unsterile.

The ________________ layer of the epidermis is present in thick skin only.