MDC II Exam 2 2026 Latest Questions and Answers (100% Expert Answers) A+

1




MDC II Exam 2 2026 Latest Questions
and Answers (100% Expert Answers)
A+
What is your first step when interpreting ABGs? [ Ans: ] look at pH


What acid-base imbalance would you expect to see in an asthmatic
patient? [ Ans: ] Respiratory acidosis


Common causes of Respiratory Acidosis [ Ans: ] COPD


asthma


muscle weakness


▪ inadequate chest expansion




© 2026
▪ pneumonia


▪ pulmonary edema


▪ sleep apnea


▪ respiratory depression r/t: drugs, alcohol, anesthesia, electrolyte
imbalance


▪ high ICP


S/S of Respiratory Acidosis


(acidosis has similar s/s no matter if met. or resp.) [ Ans: ] Vital Signs,
think LOW & SLOW

,2



▪ bradycardia, thready weak pulses


▪ hypotension


▪ hypoxia


Electrolyte Imbalance


▪ hyperkalemia


Skin


▪ pale, cyanotic


CNS Depression, think LOW & SLOW


▪ lethargy




© 2026
▪ confusion


▪ stupor


▪ coma


▪ headache


Musculoskeletal, think LOW & SLOW


▪ hyporeflexia


▪ muscle weakness


▪ flaccid paralysis

, 3



Cardiac


▪ heart dysrhythmias (due to hyperkalemia)


▪ increased cardiac output


▪ EKG changes - tall T waves, wide QRS, prolonged PR interval


Treatment for Respiratory Acidosis [ Ans: ] stabilize airway (patent)


bronchodilators


▪ O2


▪ Pulmonary hygiene (positioning and breathing/coughing techniques)


▪ Suction PRN




© 2026
▪ If on ventilation, increase ventilation rate.


▪ Endotracheal intubation


For underlying causes:


▪ Correct electrolyte balance (hyperkalemia)


▪ Antibiotics (if it's infection)


What does your body do to compensate for respiratory acidosis? [ Ans: ]
▪ increase respirations to increase pH


Nursing Diagnosis for Respiratory Acidosis [ Ans: ] ▪ impaired gas
exchange