A patient reports halos around lights and gradually blurred vision. Which condition is suspected?
Glaucoma
What oxygen device delivers the highest O2 concentration?
A. Nasal Cannula
B. Simple face mask
C. Non-rebreather mask
D. Venturi mask
Non-rebreather mask
Sign of hyperkalemia:
Tall peaked T- waves
What is the main purpose of obtaining an arterial blood gas?
Evaluating oxygenation and acid-base status
The nurse is caring for a patient who is visually impaired. What intervention is appropriate?
Use direct light, articulate in normal tone of voice, provide visual descriptions of the room, implement fall precautions, etc.
What is chest physiotherapy most effective for?
Thick secretions and atelectasis
hyponatremia assessment finding:
Seizures
pH 7.18, CO2: 21, HCO3: 19
Partially compensated metabolic acidosis
A nurse is communicating with a patient hearing deficit. What action is appropriate?
Face the patient directly, provide written education, speak slowly with careful pronunciation, adjust pitch downward with increased volume
What actions should the nurse take to obtain appropriate pulse oximetry readings?
Remove nail polish, assess circulation, warm the hands/fingers, etc.
Signs of fluid overload:
tachycardia, edema, crackles in the lungs
pH: 7.14
CO2: 49
HCO3: 31
Partially Compensated Respiratory Acidosis
conductive learning hearing loss results from?
Obstruction of sound in the outer or middle ear
A patient has a HR of 88 bpm, and a stroke volume of 65 mL/ beat. What is the patient's cardiac output?
5.7 L/min
CO = HR x SV
CO= 88 x 65 = 5720 mL/min (/1000) = 5.7 L/minn
What organ is the primary regulator of fluid balance?
Kidneys
pH: 7.5
CO2: 35
HCO3: 30
Uncompensated metabolic alkalosis
A patient with visual impairment is being discharged home. What action should the nurse take to promote safety?
Educate the family to remove loose rugs and clutter, provide adequate lighting, orient the patient to the surroundings.
When is the use of incentive spirometer effective?
When the patient seals their lips around the mouthpiece during inhalation, achieves target volume and breathes deeply.
The patient is complaining of abdominal cramps and presents with tachycardia. The nurse taps her finger against the patient cheek and notices that the facial muscles twitch, what might this be a sign of?
hypocalcemia
pH: 7.42, CO2: 53, HCO3: 38