A patient with emphysema presents to the emergency room with severe dyspnea; O2 saturation is 74, ...

A patient with emphysema presents to the emergency room with severe dyspnea; O2 saturation is 74, pulse is 120, and respirations are 26 . The nurse positions the patient in high Fowler. What action should the nurse take next?
 
  a. Collect a sputum specimen.
  b. Coach the patient in pursed-lip breathing.
  c. Give oxygen at 5 L/min by nasal cannula.
  d. Ensure patent intravenous (IV) access.

Question 2

The nurse is caring for a 40-year-old patient. How often should the nurse recommend that this patient undergo testing for glaucoma?
 
  a. Yearly
  b. Every 2 to 3 years
  c. Every 5 years
  d. Every 10 years

Question 3

The patient complains to the nurse about a sharp pain in the lower quadrants every month at midcycle that lasts for several hours. This description is consistent with which underlying pa-thophysiological process?
 
  a. Round ligament stretching to support the uterus
  b. Mittelschmerz, a pain associated with ovulation
  c. Premenstrual uterine enlargement
  d. Endometrial changes

Question 4

What is the purpose of mucus?
 
  a. To warm the air entering the lungs.
  b. To trap particles and bacteria.
  c. To protect the cilia.
  d. To clean the sinus cavity.