What term best describes nonsteroidal antiasthma medications?

A patient with a dry, non-productive cough reports that his constant coughing has been keeping him awake. What drug class should the RT recommend? 

In cold remedies, adrenergic nasal sprays are used for their:

The right lung has three lobes—superior, middle, and inferior—and the left lung has two lobes—superior and inferior—because the left side makes space for the heart (the cardiac notch).

Which of the following correctly describes the structure, position, and function of the epiglottis?

Location: Thymus. Identify this blood vessel and its function.  

Location: Thymus. Identify the development state of the thymocytes in this location. What type of T cell selection happens here?  

This is a graph of the breakdown of the lactose. The enzyme that breaks down lactose is lactase. There are 6 blanks to fill in. Answer the following questions: why are there two lines? what differences do the two lines represent? which part of the reaction is endergonic and exergonic? Which part has a positive free energy and which part has a negative free energy?

BONUS: Explain how temperature, pH, substrate concentration, enzyme concentration, and specificity affect enzyme function. 

The heavy oxygen isotope (18O) could be provided to plants either in the CO2 or in H2O or in both. Today, we know from experimental results that O2 released from chloroplasts comes from H2O and not from CO2. Which of the following experimental results would show conclusively that O2 is released from H2O and not CO2?