What is the average life span of an erythrocyte? a. 7 days b. ...

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What is the average life span of an erythrocyte?
 
  a. 7 days
  b. 60 days
  c. 120 days
  d. Up to several years

Question 2

Which mandatory practice is the most effective and significant nursing practice to prevent the spread of infection?
 
  a. Strict and frequent handwashing by all people having contact with the patient
  b. Placement of patients in private rooms with high-efficiency particulate air (HEPA) filtration
  c. Administration of combinations of prophylactic antibiotics
  d. Creation of a sterile environment for the patient with the use of laminar airflow rooms

[Pamela.irrgang@yahoo.com]

Answer to Question 1

ANS: C
The life span of an RBC is 120 days. A WBC's life span is days to several years. Platelets live 5 to 9 days.

Answer to Question 2

ANS: A
Meticulous handwashing by medical and nursing personnel and strict asepsis are mandatory.