Chapter 7, Problem 1CAQ1

### Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

Chapter
Section

### Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

# Case 1In the emergency department, even though the patient's Pa co 2 was very high (539 mm Hg), the CO Hb level of 47 percent (enhanced ______; impaired______) the hemoglobin's ability to carry oxygen.

Summary Introduction

To review:

The given blank space in the statement, “In the emergency department, even though the patient’s PaCO2 was very high (539 mm Hg), the COHb level of 47 percent (enhanced……; impaired…….) the hemoglobin’s ability to carry oxygen”.

Introduction:

The measurement of the partial pressure of carbon dioxide (PaCO2) and carboxyhemoglobin (COHb) in blood is important to test the function of the lungs and the risk of any future lung diseases. The level of high carbon dioxide and carbon monoxide will cause a decrease inflow of oxygen into the blood through the alveoli, which leads to less binding of oxygen with the hemoglobin molecule. This condition could cause conditions like anemia.

Explanation

Carbon dioxide and carbon monoxide are the gases that are not required by our body. The accumulation of these gases in the blood could be fatal. A high amount of carbon dioxide in blood causes hypercapnia and a high level of carbon monoxide in blood could cause carbon monoxide poisoning. In both the conditions, the inflow of oxygen decreases, which hinders the ability of hemoglobin to carry oxygen. The normal range of partial pressure of carbon dioxide in the blood is 40-45 mm Hg. The concentration of more than 40% of carbon monoxide in blood causes death

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