Spirometry is typically the first PFT to be performed in a patient. This is because the indications for performing spirometry are extensive (Table 56-3). The indications are so numerous, in fact, that it is a surprise that spirometry is so greatly underused. There are several perceived and real barriers to its use, but these can be easily overcome by studying spirometry interpretation guides and by getting the right equipment and good training.

I don't see why it's any more ridiculous to wear flowers on your hat than on your dress, protested Anne. Lots of little girls there had bouquets pinned on their dresses. What's the difference?

I went out and borrowed him a night cap; put him my night shirt on, and wrapped him in a blanket.

Cephalopods have a long fossil record, the earliest certain cephalopod fossils are loosely coiled or straight shelled nautiloids found in the Cambrian of China 515 million years ago.