Approximately 12 to 26 of all clinically recognized pregnancies ...

[Mr3Hunna]

Approximately 12 to 26 of all clinically recognized pregnancies end in miscarriage. Which is the most common cause of spontaneous abortion?
 
  a. Chromosomal abnormalities
  b. Infections
  c. Endocrine imbalance
  d. Immunologic factors

Question 2

Which nursing action is the most appropriate when applying a face mask to a child for oxygen therapy?
 
  a. The oxygen flow rate should be less than 6 L/min.
  b. Make sure the mask fits properly.
  c. Keep the child warm.
  d. Remove the mask for 5 minutes every hour.

[brbarasa]

Answer to Question 1

A
Feedback
A At least 60 of pregnancy losses result from chromosomal abnormalities that are
incompatible with life.
B Maternal infection may be a cause of early miscarriage.
C Endocrine imbalances such as hypothyroidism or diabetes are possible causes for
early pregnancy loss.
D Women who have repeated early pregnancy losses appear to have immunologic
factors the play a role in spontaneous abortion incidents.

Answer to Question 2

B
Feedback
A The oxygen flow rate should be greater than 6 L/min to prevent rebreathing of
exhaled carbon dioxide.
B A properly fitting face mask is essential for adequate oxygen delivery.
C Oxygen delivery through a face mask does not affect body temperature.
D A face mask used for oxygen therapy is not routinely removed.

[Mr3Hunna]

Wow, this really help

[juliaf]

Excellent