Which statement(s) accurately describe(s) characteristics of ...

[kshipps]

Which statement(s) accurately describe(s) characteristics of normal sinus rhythm (NSR)? (Select all that apply.)
 
  a. One atrial contraction (P wave)
  b. One ventricular contraction (QRS com-plex)
  c. One T wave
  d. Heart rate 60 to 100
  e. P wave immediately follows the QRS complex

Question 2

Which action(s) may help to reduce the risk of transmitting a common cold? (Select all that apply.)
 
  a. Cover the mouth and nose when sneezing.
  b. Wash the hands frequently.
  c. Use saline nose sprays.
  d. Turn the head to the crook of the arm when coughing.
  e. Drink juices with vitamin C.

[macagn]

Answer to Question 1

A, B, C, D
The P wave precedes the QRS complex. All other options are seen in NSR.

Answer to Question 2

A, B, D
Covering the mouth and nose when sneezing and coughing as well as frequent washing of hands will reduce the risk of passing a cold to another. Using saline sprays and drinking juices with vi-tamin C are not helpful in containing a cold.