Which statement by the nursing student indicates a correct understanding of the anatomy and physiology of the respiratory system?
A.
Air passes through the trachea into the bronchus.
B.
Oxygen exchange with the bloodstream occurs in the veins.
C.
Oxygen passes from the larynx to the pharynx.
D.
The bronchus divides into smaller branches or acini.
ANS: A
The oxygen passes from the pharynx to the larynx. From the larynx, air passes through the trachea, which branches into the left and right bronchi. Each bronchus divides into smaller branches called bronchioles. The bronchioles end in a cluster of air sacs called acini. Oxygen exchange with the bloodstream occurs in the capillaries.
You might also like to view...
A single male client, aged 79 years, tells the visiting nurse "I have been feeling down for the last few
days. I do not have much to live for. My family and friends are all dead. My money is running out, and my health is failing.". The nurse should assess this as a. normal pessimism of the elderly. b. a cry for sympathy. c. normal grieving. d. evidence of suicide risk.
Which intervention in a client with dehydration-induced confusion is most likely to relieve the confusion?
A. Measuring intake and output B. Applying oxygen by mask or nasal cannula C. Increasing the IV flow rate to 250 mL/hour D. Placing the client in a high-Fowler's position
The technique that is least susceptible to response-set bias is:
A) Interviews B) Vignettes C) Questionnaires D) Projective measures
The nurse must check vital signs on a 2-year-old boy who is brought to the clinic for his 24-month checkup. Which criteria should the nurse use in determining the appropriate-size blood pressure cuff (Select all that apply)?
a. The cuff is labeled "toddler." b. The cuff bladder width is approximately 40% of the circumference of the upper arm. c. The cuff bladder length covers 80% to 100% of the circumference of the upper arm. d. The cuff bladder covers 50% to 66% of the length of the upper arm.