- Description
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 |