Physiology Quiz: Respiratory Physiology - Part 10

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Physiology Quiz -
Respiratory Physiology - Part 10

Test your basic knowledge of respiratory physiology by taking this simple quiz.

(1) Within the vasculature, most of the circulating oxygen (O₂) is in the form of:

	(A) O₂ dissolved in plasma
	(B) O₂ bound to hemoglobin
	(C) O₂ bound to plasma proteins
	(D) CO₂ is equally distributed among all these forms

(2) Of the total oxygen (O₂) contained in arterial blood, __________ is bound to hemoglobin.

	(A) 1.5%
	(B) 5%
	(C) 50%
	(D) 98.5%
	(E) 100%

(3) Of the total oxygen (O₂) contained in arterial blood, __________ is dissolved in plasma.

	(A) 1.5%
	(B) 5%
	(C) 50%
	(D) 98.5%
	(E) 100%

(4) Oxygen (O₂) content in arterial blood is 20 mL%. That is to say that arterial blood contains 20 mL of O₂ for every 100 mL of whole blood. Of this amount, __________ is bound to hemoglobin.

	(A) 0.3 mL
	(B) 1 mL
	(C) 5 mL
	(D) 19.7 mL
	(E) 20 mL

(5) Oxygen (O₂) content in arterial blood is 20 mL%. That is to say that arterial blood contains 20 mL of O₂ for every 100 mL of whole blood. Of this amount, __________ is dissolved in plasma.

	(A) 0.3 mL
	(B) 1 mL
	(C) 5 mL
	(D) 19.7 mL
	(E) 20 mL

Checking your answers...

Posted: Sunday, January 11, 2015