This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A well-fitted nonrebreathing mask, adjusted so that the patient's inhalation does not deflate the ... (Read 72 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jul 16, 2018
A well-fitted nonrebreathing mask, adjusted so that the patient's inhalation does not deflate the bag (flows approximately 10 L/min), should provide inspired O2 concentrations in what range?
 
  a. 55 to 70
  b. 45 to 60
  c. 75 to 90
  d. 70 to 85

Question 2

A physician orders 2 L/min O2 through a simple mask to a 33-year-old postoperative woman with moderate hypoxemia breathing room air (PaO2 = 52 mm Hg). What would be the correct action at this time?
 
  a. Carry out the physician's prescription ex-actly as written.
  b. Recommend that the mask be changed to a cannula at 2 L/min.
  c. Recommend a flow of at least 5 L/min to washout carbon dioxide (CO2).
  d. Do not apply the O2 until the medical di-rector has been contacted.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
As indicated in Table 41-3, however, modern disposable nonrebreathing masks normally do not provide much more than approximately 70 O2.

Answer to Question 2

ANS: C
At a flow less than 5 L/min, the mask volume acts as dead space and causes CO2 rebreathing.


future617RT

  • Member
  • Posts: 543
Reply 2 on: Jul 16, 2018
Excellent

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

The nurse assesses the patient's ability to use the walker correctly The nurse assesses the patient's ability to use the walker correctly
Patient learns to not be afraid Patient learns to not be afraid
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
The physician uses auscultation to listen to a patient’s heart. The physician uses auscultation to listen to a patient’s heart.
A pharmacist can explain to a patient why medication may look different and ensure the correct ... A pharmacist can explain to a patient why medication may look different and ensure the correct ...
Tumor marker analysis of a patient with no evidence of disease monitored for tumor recurrence. The ... Tumor marker analysis of a patient with no evidence of disease monitored for tumor recurrence. The ...
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

For a complete list of videos, visit our video library