Opportunistic mycoses have increased significantly over the last 3 decades. This has created a challenge to both the laboratorian and the physician in the determination of the clinical significance upon isolation of opportunistic fungi in clinical specimens.   1. List 4 different/diverse factors that have led to the increase in opportunistic mycoses. (4 pts)   2. Which of the discussed opportunistic fungi creates the most challenges in healthcare today? Explain your choice. (3 pts)

Modes of action for antifungal agents include: inhibitors of cell walls/cell membranes, and protein and nucleic acid synthesis; and direct membrane damage. Which of the following is a mismatch between the antifungal agent and its mode of action?

A 58-year-old patient was taken to surgery for debridement of the left sinus. Direct smear of the clinical material from the left sinus obtained at the time of surgery indicated the presence of a mucormycete (zygomycete). Which of the following factor(s) predisposes an individual to infection caused by the group of fungi? Select all that apply.

Using the balanced chemical equation: 2Al + O3 —> Al2O3 What mass of Al2O3 can be produced from the reaction of 10.0 g of Al and 19.0 g of O3? 

What was the name of the supercontinent that formed approximately 1.1 billion years ago?  (billion, not million)

Balance the following double displacement equation: Silver bromide  +   Galium phosphate  —->   ___  _______  +  ____ ________

Give the formula aluminum phosphate   

An oxide of lead contains 90.65% Pb, by weight. The empirical formula is:

Dmitri Mendeleev organized the chemical elements:

Convert 1.75 lb to grams _________________