Question 1

Mucus-secreting cells and cilia in the bronchi serve what function?

Accepted Answer

A)  help air exchange 
B)  trap and remove bacteria and airborne particles 
C)  destroy inhaled bacteria 
D)  warm inspired air 
E)  increase carbon dioxide removal 
A)  help air exchange 
B)  trap and remove bacteria and airborne particles 
C)  destroy inhaled bacteria 
D)  warm inspired air 
E)  increase carbon dioxide removal B

Question 2

Match between columns
                        Premises: pharynx
bronchi
intercostal rib muscles
larynx
trachea
alveoli
diaphragm
epiglottis

Accepted Answer

The Answer of contraction moves it downward and flaplike structure is...

Question 3

The cessation of smoking may do all of the following EXCEPT

Accepted Answer

A)  can reduce the risk of stillbirth. 
B)  reduces the chances of cancer. 
C)  reduces the chances of coronary disease. 
D)  improves lung functioning. 
E)  increase chances of sleep apnea. 
A)  can reduce the risk of stillbirth. 
B)  reduces the chances of cancer. 
C)  reduces the chances of coronary disease. 
D)  improves lung functioning. 
E)  increase chances of sleep apnea. E

Question 4

Hemoglobin gives up O2 when

Accepted Answer

A)  partial pressure of oxygen is lower than in the blood. 
B)  body temperature is lowered. 
C)  pH values are high. 
D)  CO2 concentrations are low. 
E)  O2 concentrations are high. 
A)  partial pressure of oxygen is lower than in the blood. 
B)  body temperature is lowered. 
C)  pH values are high. 
D)  CO2 concentrations are low. 
E)  O2 concentrations are high.

Question 5

In describing the parts of the respiratory system, the word "septum" designates a partition in the

Accepted Answer

A)  larynx. 
B)  nasal cavities. 
C)  pharynx. 
D)  glottis. 
E)  lungs. 
A)  larynx. 
B)  nasal cavities. 
C)  pharynx. 
D)  glottis. 
E)  lungs.

Question 6

Exchange across a membrane requires

Accepted Answer

A)  moisture only. 
B)  transport proteins only. 
C)  pressure gradients only. 
D)  moisture and pressure gradients only. 
E)  moisture, pressure gradients, and transport proteins. 
A)  moisture only. 
B)  transport proteins only. 
C)  pressure gradients only. 
D)  moisture and pressure gradients only. 
E)  moisture, pressure gradients, and transport proteins.

Question 7

A common respiratory problem in the elderly or morbidly obese is

Accepted Answer

A)  asthma. 
B)  sleep apnea. 
C)  bronchitis. 
D)  bronchiolitis. 
E)  the common cold. 
A)  asthma. 
B)  sleep apnea. 
C)  bronchitis. 
D)  bronchiolitis. 
E)  the common cold.

Question 8

Oxygen moves from alveoli to the bloodstream

Accepted Answer

A)  because the concentration of oxygen is greater in alveoli than in the blood. 
B)  mainly due to the activity of carbonic anhydrase in the red blood cells. 
C)  by using the assistance of carbaminohemoglobin. 
D)  through active transport. 
E)  because the concentration of carbon dioxide is greater in alveoli than in the blood. 
A)  because the concentration of oxygen is greater in alveoli than in the blood. 
B)  mainly due to the activity of carbonic anhydrase in the red blood cells. 
C)  by using the assistance of carbaminohemoglobin. 
D)  through active transport. 
E)  because the concentration of carbon dioxide is greater in alveoli than in the blood.

Question 9

Approximately how much "dead" air remains in the airways between breaths?

Accepted Answer

A)  150 milliliters 
B)  500 milliliters 
C)  25 milliliters 
D)  300 milliliters 
E)  0 milliliters 
A)  150 milliliters 
B)  500 milliliters 
C)  25 milliliters 
D)  300 milliliters 
E)  0 milliliters

Question 10

How does hemoglobin help to maintain the pressure gradient?

Accepted Answer

A)  by duplicating oxygen 
B)  by carrying oxygen away from the lungs 
C)  by feeding oxygen into the lungs 
D)  by mixing oxygen with carbon dioxide 
E)  by binding with nitrogen 
A)  by duplicating oxygen 
B)  by carrying oxygen away from the lungs 
C)  by feeding oxygen into the lungs 
D)  by mixing oxygen with carbon dioxide 
E)  by binding with nitrogen

Question 11

What is the name given to the respiratory ailment in which the bronchioles constrict severely?

Accepted Answer

A)  pleurisy 
B)  emphysema 
C)  bronchitis 
D)  laryngitis 
E)  asthma 
A)  pleurisy 
B)  emphysema 
C)  bronchitis 
D)  laryngitis 
E)  asthma

Question 12

The movement of both oxygen and carbon dioxide in the body is accomplished by

Accepted Answer

A)  exocytosis and endocytosis. 
B)  bulk flow. 
C)  osmosis. 
D)  diffusion. 
E)  facilitated diffusion. 
A)  exocytosis and endocytosis. 
B)  bulk flow. 
C)  osmosis. 
D)  diffusion. 
E)  facilitated diffusion.

Question 13

The medical term for a collapsed lung is

Accepted Answer

A)  hemothorax. 
B)  hydrothorax. 
C)  planothorax. 
D)  pneumothorax. 
E)  brachiothorax. 
A)  hemothorax. 
B)  hydrothorax. 
C)  planothorax. 
D)  pneumothorax. 
E)  brachiothorax.

Question 14

When hemoglobin binds hydrogen ions it is acting as a(n)

Accepted Answer

A)  neutralizer. 
B)  buffer. 
C)  acid. 
D)  base. 
E)  cation. 
A)  neutralizer. 
B)  buffer. 
C)  acid. 
D)  base. 
E)  cation.

Question 15

Tears drain into the

Accepted Answer

A)  nasal cavity. 
B)  anterior chamber of the eye. 
C)  corneal space. 
D)  conjunctiva. 
E)  optic nerve. 
A)  nasal cavity. 
B)  anterior chamber of the eye. 
C)  corneal space. 
D)  conjunctiva. 
E)  optic nerve.

Question 16

Selecting the Exception Four of the five answers listed below are related by the same function. Select the exception.

Accepted Answer

A)  blood plasma 
B)  carbaminohemoglobin 
C)  oxyhemoglobin 
D)  carbonic acid 
E)  bicarbonate ions 
A)  blood plasma 
B)  carbaminohemoglobin 
C)  oxyhemoglobin 
D)  carbonic acid 
E)  bicarbonate ions

Question 17

Name the mammalian structure that is positioned in the pathway of air just before the alveoli.

Accepted Answer

A)  larynx 
B)  glottis 
C)  bronchioles 
D)  trachea 
E)  pharynx 
A)  larynx 
B)  glottis 
C)  bronchioles 
D)  trachea 
E)  pharynx

Question 18

Selecting the Exception Four of the five answers listed below are related by a similar function. Select the exception.

Accepted Answer

A)  intercostal muscles 
B)  medulla oblongata 
C)  aortic bodies 
D)  reticular formation 
E)  carotid bodies 
A)  intercostal muscles 
B)  medulla oblongata 
C)  aortic bodies 
D)  reticular formation 
E)  carotid bodies

Question 19

Which of the following statements is false?

Accepted Answer

A)  Hemoglobin functions as a buffer. 
B)  Bicarbonate ions tend to diffuse out of red blood cells into the blood plasma. 
C)  The movement of molecules go in different directions in the metabolically active tissues and the alveoli. 
D)  Carbonic anhydrase is an enzyme that promotes the formation of oxyhemoglobin. 
E)  Hemoglobin consists of four polypeptide chains. 
A)  Hemoglobin functions as a buffer. 
B)  Bicarbonate ions tend to diffuse out of red blood cells into the blood plasma. 
C)  The movement of molecules go in different directions in the metabolically active tissues and the alveoli. 
D)  Carbonic anhydrase is an enzyme that promotes the formation of oxyhemoglobin. 
E)  Hemoglobin consists of four polypeptide chains.

Question 20

The leading cancer killer of women is

Accepted Answer

A)  ovarian. 
B)  uterine. 
C)  breast. 
D)  lung. 
E)  bone. 
A)  ovarian. 
B)  uterine. 
C)  breast. 
D)  lung. 
E)  bone.

Exam 10: The Respiratory System

Mucus-secreting cells and cilia in the bronchi serve what function?

The cessation of smoking may do all of the following EXCEPT

Hemoglobin gives up O2 when

In describing the parts of the respiratory system, the word "septum" designates a partition in the

Exchange across a membrane requires

A common respiratory problem in the elderly or morbidly obese is

Oxygen moves from alveoli to the bloodstream

Approximately how much "dead" air remains in the airways between breaths?

How does hemoglobin help to maintain the pressure gradient?

What is the name given to the respiratory ailment in which the bronchioles constrict severely?

The movement of both oxygen and carbon dioxide in the body is accomplished by

The medical term for a collapsed lung is

When hemoglobin binds hydrogen ions it is acting as a(n)

Tears drain into the

Selecting the Exception Four of the five answers listed below are related by the same function. Select the exception.

Name the mammalian structure that is positioned in the pathway of air just before the alveoli.

Selecting the Exception Four of the five answers listed below are related by a similar function. Select the exception.

Which of the following statements is false?

The leading cancer killer of women is

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Hemoglobin gives up O₂ when