Physiology Quiz: Respiratory Physiology - Part 7

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Physiology Quiz -
Respiratory Physiology - Part 7

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

(1) Which of the following tissue conditions enhance(s) oxygen (O₂) unloading (i.e., dissociation) from hemoglobin?

	(A) Elevated partial pressure of carbon dioxide (PCO₂)
	(B) Decreased pH
	(C) Increased temperature

(2) Within the vasculature, most of the circulating carbon dioxide (CO₂) is in the form of:

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

(3) When carbon dioxide (CO₂) is bound to hemoglobin, the complex is referred to as:

(4) When carbon monoxide (CO) is bound to hemoglobin, the complex is referred to as:

	(A) Carbaminohemoglobin
	(B) Carboxyhemoglobin

(5) The CO₂ hydration reaction is shown below. In the pulmonary capillaries, the reaction equilibrium moves to the __________.

	(A) right
	(B) left

(6) The CO₂ hydration reaction is shown below. In the systemic capillaries, the reaction equilibrium moves to the __________.

	(A) right
	(B) left

(7) What is the fractional concentration of oxygen (O₂) in the atmosphere?

(8) What is the fractional concentration of nitrogen (N₂) in the atmosphere?

Checking your answers...

Posted: Thursday, January 8, 2015
Last updated: Thursday, January 8, 2015