Organ System › Respiratory system › Question #10043
Single Choice Easy

Q What are the partial pressure values of carbon dioxide in alveolar air and deoxygenated blood respectively?

ID: #10043 Respiratory system 143 views
Question Info
#10043Q ID
EasyDifficulty
Respiratory systemTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • A 50 mm Hg, 45 mm Hg ✔ ✖
  • B 104 mm Hg, 45 mm Hg ✔ ✖
  • C 45 mm Hg, 40 mm Hg ✔ ✖
  • D 40 mm Hg, 45 mm Hg ✔ ✖
Correct Answer

Explanation

The partial pressure of carbon dioxide in alveolar air is 40 mm Hg and in deoxygenated blood it is 45 mm Hg. This means that carbon dioxide moves from arterial blood to alveoli due to the difference in partial pressure. Gas exchange takes place between the two due to this difference in partial pressure, as gases move from areas of high partial pressure to areas of low partial pressure.

 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

How does high altitude affect the number of red blood cells (RBCs) in human blood? What type of epithelium makes up the alveoli in the lungs? What provides support to trachea, bronchi, and bronchioles? Where is the location of the pneumotaxic center? What is the concentration of oxygen in expired air? What muscles can be used to increase the strength of inspiration and expiration? Which chronic respiratory disorder is commonly caused by smoking? What is not a characteristic of alveoli? Which part of the brain is responsible for regulating the respiratory process? Which of the following is not a component of the human respiratory system?