A 70-year-old man presents with a severe nosebleed. His medical history includes COPD, depression, and a hemorrhagic stroke 3 years ago. His BP is 190/110 mm Hg, his pulse is 100 beats/min, and his respirations are 24 breaths/min. His medications include albuterol, sertraline (Zoloft), and multivitamins. Which of the following is MOST likely causing his nosebleed today?

How are creams different from ointments?

A) Ointments are easier to apply and to wash off the skin. B) Creams are easier to apply and to wash off the skin. C) Ointments contain a greater percentage of medication than do creams. D) Creams are hydrophobic.

While completing some clinical time in the hospital for his EMT class, an EMT student observed a patient being administered an IV fluid with a high oncotic pressure. Once this fluid is in the patient's body, the EMT student would expect which action to occur?

A) Fluid from the tissues will move into the bloodstream B) Fluid will move evenly from the bloodstream into the cells C) Fluid from the IV will move into the cells and rehydrate them D) The patient's blood pressure will decrease dramatically