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### Respiration and Pulse Oximetry

#### Directions: Match each key term with its definition.

1. **Alveolus**
2. **Apnea**
3. **Bradypnea**
4. **Cyanosis**
5. **Dyspnea**
6. **Eupnea**
7. **Exhalation**
8. **Hyperpnea**
9. **Hyperventilation**
10. **Hypopnea**
11. **Hypoxemia**
12. **Hypoxia**
13. **Inhalation**
14. **Orthopnea**
15. **Pulse oximeter**
16. **Pulse oximetry**
17. **SaO₂**
18. **SpO₂**
19. **Tachypnea**

**Definitions:**

A. The act of breathing out
B. A reduction in the oxygen supply to the tissues of the body
C. A decrease in the oxygen saturation of the blood; may lead to hypoxia
D. The temporary cessation of breathing
E. An abnormal increase in the respiratory rate of more than 20 respirations per minute
F. A computerized device consisting of a probe and monitor used to measure the oxygen saturation of arterial blood
G. An abnormal decrease in the rate and depth of respiration
H. A thin-walled air sac of the lungs in which the exchange of oxygen and carbon dioxide takes place
I. The act of breathing in
J. A bluish discoloration of the skin and mucous membranes first observed in the nail beds and lips
K. Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood
L. The condition in which breathing is easier when an individual is in a standing or sitting position
M. Shortness of breath or difficulty breathing
N. Normal respiration
O. An abnormally fast, deep type of breathing usually associated with acute anxiety conditions
P. An abnormal decrease in the respiratory rate of fewer than 10 respirations per minute
Q. An abnormal increase in the rate and depth of respiration
R. The use of a pulse oximeter to measure the oxygen saturation of arterial blood

Match the numbers to the letters to complete the definitions.

Answer :

Final answer:

This response provides definitions for various respiratory terms such as 'alveolus', 'apnea', and 'dyspnea', among others. Each term is matched with its corresponding definition to enhance understanding of respiratory physiology. Familiarity with these terms helps in recognizing the importance of oxygen transport and lung function in health.


Explanation:

Matching Definitions for Respiratory Terms

Here are the definitions for the provided respiratory-related terms:

  1. 1. Alveolus - A thin-walled air sac of the lungs in which the exchange of oxygen and carbon dioxide takes place.
  2. 2. Apnea - The temporary cessation of breathing.
  3. 3. Bradypnea - An abnormal decrease in the respiratory rate of fewer than 10 respirations per minute.
  4. 4. Cyanosis - A bluish discoloration of the skin and mucous membranes first observed in the nail beds and lips.
  5. 5. Dyspnea - Shortness of breath or difficulty breathing.
  6. 6. Eupnea - Normal respiration.
  7. 7. Exhalation - The act of breathing out.
  8. 8. Hyperpnea - An abnormal increase in the rate and depth of respiration.
  9. 9. Hyperventilation - An abnormally fast, deep type of breathing usually associated with acute anxiety conditions.
  10. 10. Hypopnea - An abnormal decrease in the rate and depth of respiration.
  11. 11. Hypoxemia - Below-normal level of oxygen saturation of blood (typically <95 percent).
  12. 12. Hypoxia - A reduction in the oxygen supply to the tissues of the body.
  13. 13. Inhalation - The act of breathing in.
  14. 14. Orthopnea - The condition in which breathing is easier when an individual is in a standing or sitting position.
  15. 15. Pulse oximeter - A computerized device consisting of a probe and monitor used to measure the oxygen saturation of arterial blood.
  16. 16. Pulse oximetry - The use of a pulse oximeter to measure the oxygen saturation of arterial blood.
  17. 17. SaO₂ - Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood.
  18. 18. SpO₂ - Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter.
  19. 19. Tachypnea - An abnormal increase in the respiratory rate of more than 20 respirations per minute.

Understanding these terms is crucial for grasping the physiological processes involved in respiration and the significance of oxygen levels in the body.


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