A Rubber or Plastic Ring Should Be Around the Bell

question 28

Multiple Choice

A rubber or plastic ring should be around the bell endpiece of a stethoscope to

• A)prevent the transmission of static electricity.
• B)avoid cold metal from touching the patient.
• C)prevent the sharp edge of the stethoscope from damaging the patient's skin.
• D)allow firm pressure to be applied without discomfort.
• E)ensure secure contact with the body surface.

---

Definitions:

Allocation of Resources

The process of allocating resources among competing uses or projects in order to achieve desired outcomes.

Poverty Rate

The percentage of the population whose family income falls below an absolute level called the poverty line.

Average Income

The total income received by a group divided by the number of people in that group.

Poverty Rate

The percentage of the population whose income falls below a certain threshold, defining them as living in poverty.