A. Do all birds fly in “V formation,” if they experience the…
A. Do all birds fly in “V formation,” if they experience the correct environmental conditions? If yes, describe the correct conditions, and if no, describe the subset of birds that fly in formation. B. What is the advantage of flying in V formation?
Read DetailsConsider the family Gavidae (Loons- example on left) and…
Consider the family Gavidae (Loons- example on left) and the family Laridae (Gulls and Terns, example on right). Loons forage by pursuing fish deep underwater and catching them. Loons require a long running start to get into the air to fly. Gulls and terns eat a variety of foods and use a variety of foraging strategies, including a) pursuing aerial insects, and b) hovering above water and then plunging down to catch fish near the surface. When they are resting on the water, they can lift into the air quickly, without requiring a running start. In which family do you expect member species have greater wing-loading, and why?
Read DetailsUse the following case scenario to answer questions 33 and 3…
Use the following case scenario to answer questions 33 and 34. A physical therapist is working with a 63-year-old patient hospitalized with a COPD exacerbation causing a moderate amount of mucous production. Prior to discharge home, the PT decides an Acapella Device would be appropriate for the patient. During the initial setup of the device, the patient’s inspiration-to-expiration ratio was 1:2. Which of the following device adjustments should the physical therapist make?
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