Complete Question Bank

HESI LPN · HESI LPN Medical Surgical Nursing · HESI Respiratory System Test Questions

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Air that remains in conducting passages and doesn't participate in gas exchange is termed

A. vital capacity
B. minimal volume
C. residual volume
D. anatomic dead space

Expert Explanatory Rationale

Correct Answer: anatomic dead space

Question 2 of 5

Breathing rate is more rapid when the ...... area is more active

A. Apneustic
B. pneumotaxic
C. medullary rhythmicity
D. none

Expert Explanatory Rationale

Correct Answer: pneumotaxic

Question 3 of 5

A male client who weighs 175 lb (79.4 kg) is receiving aminophylline (Aminophylline) (400 mg in 500 ml) at 50 ml/hour. The theophylline level is reported as 6 mcg/ml. The nurse calls the physician who instructs the nurse to change the dosage to 0.45 mg/kg/hour. The nurse should:

A. Question the order because it's too low.
B. Question the order because it's too high.
C. Set the pump at 45 ml/hour.
D. Stop the infusion and have the laboratory repeat the theophylline measurement.

Expert Explanatory Rationale

Correct Answer: Question the order because it's too low.

Question 4 of 5

If the CO2 concentration in the blood increases, the breathing shall

A. Increase
B. Decrease
C. Stop
D. No affect

Expert Explanatory Rationale

Correct Answer: Increase

Question 5 of 5

Which of the following symptoms should a nurse assess in a client when implementing interventions for trauma to the upper airway?

A. Pain when talking
B. Burning in the throat
C. Increased nasal swelling
D. Presence of laryngospasm

Expert Explanatory Rationale

Correct Answer: Presence of laryngospasm

Ready to Guarantee Your Result?

Start Your HESI LPN Preparation Journey Today

Access over 300,000 verified practice questions, comprehensive subject diagnostic exams, and timed clinical simulations engineered for success.

Browse Other Nursing Exams