A22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. his blood pressure is initially 80/40 mm hg. after 2 liters of crystalloid solution his blood pressure increases to 122/84 mm hg. his heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. his breath sounds are decreased in the left hemithorax, and after initial iv fluid resuscitation, a closed tube thoracostomy is performed for decreased left breath sounds with the return of a small amount of blood and no air leak. after chest tube insertion, the most appropriate next step is

Which of the following is an advantage of solar energy?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.