Question

1. Select ALL statements that correctly describe a function of the Respiratory System, or describe a process of Respiration.

	a.	Moves air in and out of the body.
	b.	Warms and humidifies the air.
	c.	Regulates the cellular compositon of the blood.
	d.	Filters the air.
	e.	Exchanges gases with the blood.
	f.	Occurs in the Lung.
	g.	All of the above.

2. Select the correct set of gross structures associated with the Lung.

	A.	1. Two large organs 2. Lobes 3. Pleura
	B.	1. Two large organs 2. Eustachian tubes 3. Pleurisy
	C.	1. Two large organs 2. Oropharynx 3. Pleurisy
	D.	All of the above describe structures of the Lung.

3. Select ALL the correct structures associated with the Bronchial Tree. Each correct selection is worth (+1) point. Each incorrect selection will be worth (-1) pt. Your score will not be less than 0.

	a.	Primary Bronchii
	b.	Adenoids
	c.	Pneumothorax
	d.	Secondary Bronchii
	e.	Bronchioles
	f.	Trachae
	g.	Bronchial flap

4. Select ALL the correct structures associated with the Alveolar sac. Each correct selection is worth (+1) point. Each incorrect selection will be worth (-1) pt. Your score will not be less than 0.

	a.	Lacrimal sacs
	b.	Alveoli barrier
	c.	Alveoli
	d.	Pulmonary capillary
	e.	Respiratory membrane

5. Select ALL the following associated with breathing.

	A.	The first event in inspiration is contraction of the diaphragm downward.
	B.	The first event in inspiration is when the lungs inflate.
	C.	The first event in expiration is when air squeezes out of the lungs.
	D.	The first event in expiration is when the external intercostal muscles and the diaphram relax.
	E.	The exchange of gases that occurs in the lung is accomplished by diffusion.

6. Select ALL of the following statements that correctly apply to the Regulation of Ventilation.

	a.	Receptors sense the need for changing rate or depth of respiration to maintain homeostasis.
	b.	Chemoreceptors are sensory receptors that are sensitive to increases in blood carbon dioxide levels and decreases in blood oxygen levels.
	c.	Some Respiratory Control Centers are located in endocrine glands.
	d.	Some Respiratory Control Centers, located in brain regions, influence the rate or depth of breathing.
	e.	Blood PCO2 is the most powerful stimulus driving respiration.
	f.	Humans can consciously override the Respiratory System, and permanently regulate the control of respiration.

Answer 1

1.

	a.	Moves air in and out of the body.
	e.	Exchanges gases with the blood.
	f.	Occurs in the Lung.

2.

	A.	1. Two large organs 2. Lobes 3. Pleura

3..

	a.	Primary Bronchii
	d.	Secondary Bronchii
	e.	Bronchioles
	f.	Trachae

4.

	b.	Alveoli barrier
	c.	Alveoli
	d.	Pulmonary capillary