Which of the following is a mobile, single-celled, parasitic organism?

A 3-year-old had a seizure, prompting his mother to call 911. When you arrive, the patient is drowsy and difficult to awaken, but he responds to a light pinch of his trapezius muscle with brief eye opening and crying. He is breathing 26 times per minute and has a pulse of 120. His skin is hot, moist, and flushed. You should:

A) place the child in a bathtub of cold water. B) remove the clothing and sponge the skin with rubbing alcohol. C) administer "blow-by" oxygen, remove heavy clothing, and wipe the skin with a cool wet washcloth. D) ask his mother to administer acetaminophen (Tylenol) or ibuprofen (Motrin) by mouth.

What effect would hypercapnia and metabolic acidemia have on the pulmonary vascular system?

a. Metabolic acidemia would cause vasodilation and hypercapnia would cause vasoconstriction b. Both would cause vasodilation c. Both would cause vasoconstriction d. Hypercapnia would cause vasoconstriction but metabolic acidemia would not affect the pulmonary vascular system