Which substance decreases the surface tension of the alveolar walls?
a. Plasma
b. Surfactant
c. Cilia
d. Mucus
B
Surfactant is the substance that reduces the surface tension of the walls of the alveoli, making gas exchange more effective.
You might also like to view...
Which medication is classified as a benzodiazepine?
a. Lorazepam (Ativan) b. Buspirone (BuSpar) c. Benztropine (Cogentin) d. Chlorpromazine (Thorazine)
The causes of preterm labor are not fully understood although many factors have been associated with early labor. These include (select all that apply)
a. Singleton pregnancy b. History of cone biopsy c. Smoking d. Short cervical length e. Higher level of education
Which is most likely to be a major stressor for an APHN?
a. Autonomy of practice b. Professional isolation c. Flexible work hours d. Collaboration
An aggressive client on the inpatient unit attacked a nurse and was put in restraints
Which of the following statements, made when the client was released from restraints, indicates that this individual has been able to identify an appropriate way to let the nurse know about the client's needs? A) "When I see the nurse, I will apologize and tell her it will never happen again." B) "Now that I realized that I mistreated the nurse, I will change my ways." C) "From now on I will make sure that I am a good client." D) "When I start feeling pain, I will tell the nurse right away instead of waiting until the pain becomes unbearable and I desperately need medication that very moment."