Which of the Following O₂ Devices Has 2 One-Way Valves

question 40

Multiple Choice

Which of the following O₂ devices has 2 one-way valves and the second valve is at the exhalation ports,which prevents room air from entering the mask during inhalation?

• A) Nonrebreathing mask
• B) Partial rebreathing mask
• C) Aerosol tracheostomy collar mask
• D) Simple mask

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Definitions:

Cerebellum

Hindbrain region that coordinates voluntary movements.

Motor Activity

Physical actions and movements generated by the muscles and nervous system of an organism.

Motor Skills

Abilities required to perform movements and tasks, involving the coordination of muscles and the nervous system.

Cerebellum

A region of the brain that plays an essential role in motor control, and also involves in some cognitive functions such as attention and language, and in regulating fear and pleasure responses.