Which of the Following Are Involved in External Respiration

question 6

Multiple Choice

Which of the following are involved in external respiration?

• A) Red blood cells and body cells
• B) Scalenes and trapezius muscles
• C) Alveoli and pulmonary capillaries
• D) External oblique and transverse abdominal muscles

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Definitions:

Arrhythmia

An irregularity or abnormality in the heart's rhythm, which can range from harmless to life-threatening.

SA Node

Sinoatrial Node; the heart’s natural pacemaker, responsible for initiating the electrical impulses that determine the heart rate.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level of the blood using a device attached usually to a fingertip.

Sleep Apnea

A condition characterized by pauses in breathing during sleep.