BIO 291 Week 4 WileyPLUS Quiz

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 BIO 291 Week 4 WileyPLUS Quiz
 

BIO/291 Week 4 Question 1

Gas exchange between the alveoli and blood is called?

 

Environmental respiration

 

External/pulmonary respiration

 

Internal/ tissue respiration

 

Diffusion of gases

 

 

 

BIO/291 Week 4 Question 2
 

 

 

The vocal cords are found in which of the following structures?

 

Larynx

 

Nose

 

Oropharynx

 

Trachea

 

 

 

BIO/291 Week 4 Question 3
 

 

 

Which of the following structures prevents food from entering the trachea during swallowing?

 

Pharynx

 

Epiglottis

 

Larynx

 

Tonsils

 

 

 

BIO/291 Week 4 Question 4
 

 

 

The incomplete sections of the tracheal rings allow the esophagus to:

 

Expand into the trachea when swallowing a food bolus

 

Compress the trachea during vomiting

 

Close over the trachea, keeping food from entering the lungs

 

There are no incomplete sections of the tracheal rings

 

 

 

BIO/291 Week 4 Question 5
 

 

 

Because the right primary bronchus is slightly wider and has a steeper downward angle than the left:

 

Respiratory infections are more frequent on the right side

 

Alveoli in the right lung are larger

 

Foreign bodies frequently lodge on the right side

 

Foreign bodies more frequently lodge on the left side

 

 

 

BIO/291 Week 4 Question 6
 

 

 

What structure is responsible for ?sweeping? mucus in the respiratory tract towards the pharynx/mouth?

 

Cilia

 

Goblet cells

 

Microvilli

 

Surfactant

 

 

 

BIO/291 Week 4 Question 7
 

 

 

The grape-like sacs in the lungs where the majority of gas exchange occurs are called:

 

Bronchi

 

Bronchioles

 

Alveoli

 

Capillaries

 

 

 

BIO/291 Week 4 Question 9
 

 

 

What muscle functions mainly during forced expiration?

 

External intercostals

 

Internal intercostals

 

Scalenes

 

Sternocleidomastoid

 

 

 

BIO/291 Week 4 Question 10
 

 

 

What is the correct term used to describe the ease at which lungs can expand?

 

Atelectasis

 

Compliance

 

Edema

 

Surface tension

 

 

 

BIO/291 Week 4 Question 11
 

 

 

What Gas Law states that the total atmospheric pressure is the sum of the contributions of the individual gases?

 

Boyle’s Law

 

Charles’ Law

 

Dalton’s Law

 

Henry’s Law

 

 

 

BIO/291 Week 4 Question 12
 

 

 

The partial pressure of oxygen in arterial blood is approximately:

 

40 mm Hg

 

45 mm Hg

 

50 mm Hg

 

95 -100 mm Hg

 

 

BIO/291 Week 4 Question 13

The partial pressure of carbon dioxide in arterial blood is approximately:

 

40 mm Hg

 

45 mm Hg

 

50 mm Hg

 

100 mm Hg

 

 

 

BIO/291 Week 4 Question 14
 

 

 

What enzyme is needed to convert water and carbon dioxide into carbonic acid?

 

Carbonic anhydrase

 

Carbamino anhydrase

 

Bicarbonate anydrase

 

Chloride anhydrase

 

 

 

BIO/291 Week 4 Question 15
 

 

 

During systemic gas exchange what ion is formed from the breakdown of H2CO3 and is utilized by the circulatory system as a buffer?

 

HCO3-

 

H2O

 

H+

 

CO2
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