respiratory system

Question 1 of 33

1

What are the 3 functions of the respiratory system?
1. ❌
2. ❌
3. ❌

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O2 supply

O2 production

CO2 elimination

CO2 supply

acid/base balance

regulation of O2

Explanation

Question 2 of 33

1

Which of the following is the bicarbonate equation (note <------> is the symbol for a reversible reaction):

Select one of the following:

CO2 + H2O <------> H3CO2 <------ H+ + HCO2
CO2 + H2O <------> H2CO3 <------> H+ + HCO3
H2CO3------> CO2 + H2O <------> H+ + HCO3
CO2 + H2O <------> H2CO3 <------> H+ + HCO3-

Explanation

Question 3 of 33

1

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The is the point of attachment for the lungs.

Explanation

Question 4 of 33

1

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The right heart takes blood from the ( systemic, pulmonary ) circuit and pumps it into the ( pulmonary, systemic ) circuit.

Explanation

Question 5 of 33

1

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The left heart takes blood from the ( pulmonary, systemic ) circuit and pumps it into the ( systemic, pulmonary ) circuit.

Explanation

Question 6 of 33

1

List all the structures through which air passes from the nostrils to the alveoli.

❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------>❌

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Nostrils

vestibule

posterior nares

nasopharynx

oropharynx

laryngopharynx

larynx (voice box)

trachea

primary bronchi

secondary bronchi

tertiary bronchi

bronchioles (2 kinds)

alveoli

Explanation

Question 7 of 33

1

Most of the gas exchange in the lungs occurs in the:

Select one or more of the following:

bronchioles
alveoli
dead space
membranes

Explanation

Question 8 of 33

1

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The outer covering of the lung is called the pleura

Explanation

Question 9 of 33

1

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Although the lungs are only attached to the body at the ( hilus, apex ), the lungs fill the volume provided in the thoracic cavity because of ( negative, positive ) ( intrapleural, interpleural ) ( pressure., force )

Explanation

Question 10 of 33

1

The inverse relationship between pressure and volume is who's law?

Select one of the following:

LaPlace
Boyle

Explanation

Question 11 of 33

1

The purpose in the cartilaginous rings in the trachea are:

Select one of the following:

Maintain constant pressure and even air flow
allow for optimal vital lung capacity
prevent it from collapsing
allow for deglutition (swallowing)

Explanation

Question 12 of 33

1

Most of the resistance in the respiratory system is found in the intrapleural space and thus it is filled with fluid to ease this problem.

Select one of the following:

True
False

Explanation

Question 13 of 33

1

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Alveolar pressure is ( sub-atmospheric, atmospheric, Positive (greater) than atmospheric P ) during inspiration.

Explanation

Question 14 of 33

1

The principal muscles of expiration are:

Select one of the following:

abdominal
thoracic
diaphragmatic

Explanation

Question 15 of 33

1

Fill the blank space to complete the text.

The muscles between the ribs are the

Explanation

Question 16 of 33

1

place the appropriate type of intercostal muscle with it's correct type of action:
Inspiration ------> ❌
Expiration ------> ❌

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external intercostal

internal intercostal

Explanation

Question 17 of 33

1

Match the following terms correctly:
❌ ------> air into the intrapleural space
❌ ------> water into the intrapleural space
❌ ------> blood into the intrapleural space
❌ ------> pain associated with inflammation of the pleura, friction rub
❌-----> where air and water meet

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pneumothorax

hydrothorax

hemothorax

pleurisy

air/liquid interface -

Explanation

Question 18 of 33

1

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The pressure in small soap bubbles is ( higher, lower ) than the pressure in large bubbles made of the same soap solution?

Explanation

Question 19 of 33

1

How many air/liquid interfaces are there in a soap bubble?

Select one of the following:

1
2
0
4

Explanation

Question 20 of 33

1

Which of the following plays a role in stabilizing alveoli of different sizes and decreases surface tension?

Select one of the following:

pulmonary surfactant
LaPlace law states the surface tension is due to water molecules starting to get closer
a soapy fluid on the alveoli called secraftin
the negative pressure withing the lungs

Explanation

Question 21 of 33

1

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Indicate if the effect of the variable indicated on diffusion rate would be direct or inverse:
increased concentration gradient ------> ( direct, inverse )
increased molecular size ------> ( inverse, direct )
increased diffusion distance ------> ( inverse, direct )
increased surface area ------> ( direct, inverse )
increased temperature ------> ( direct, inverse )

Explanation

Question 22 of 33

1

It is Boyle's Law that explains why it is so hard to get inflation started when blowing up a balloon?

Select one of the following:

True
False

Explanation

Question 23 of 33

1

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

Increased temperature

Select one or more of the following:

decreased hemoglobin-O2 affinity
increased hemoglobin- O2 affinity
O2 loading
O2 unloading

Explanation

Question 24 of 33

1

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

increased CO2

Select one or more of the following:

decreased hemoglobin-O2 affinity
increased hemoglobin-O2 affinity
O2 loading
O2 unloading

Explanation

Question 25 of 33

1

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

decreased pH

Select one or more of the following:

increased hemoglobin-O2 affinity
decreased hemoglobin-O2 affinity
O2 loading
O2 unloading

Explanation

Question 26 of 33

1

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Hyperventilation results in an ( decrease, increase ) in blood CO2.

Explanation

Question 27 of 33

1

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Hyperventilation results in an ( increase, decrease ) in blood pH.

Explanation

Question 28 of 33

1

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Most CO2 transported in the blood is transported as ions.

Explanation

Question 29 of 33

1

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( CO2, O2 ) dissolves more easily in water.

Explanation

Question 30 of 33

1

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In terrestrial vertebraes the primary regulated variable in respiration is ( O2, CO2 ).

Explanation

Question 31 of 33

1

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In aquatic vertebrates the primary regulated variable in respiration is ( CO2, O2 ).

Explanation

Question 32 of 33

1

	Created by Rebecca Matthews almost 9 years ago

practice exam for finals covering respiratory system

respiratory system

Question 1 of 33

What are the 3 functions of the respiratory system? 1. ❌ 2. ❌ 3. ❌

Drag and drop to complete the text.

Explanation

Question 2 of 33

Which of the following is the bicarbonate equation (note <------> is the symbol for a reversible reaction):

Select one of the following:

Explanation

Question 3 of 33

Fill the blank space to complete the text.

The is the point of attachment for the lungs.

Explanation

Question 4 of 33

Select from the dropdown lists to complete the text.

The right heart takes blood from the systemic pulmonary( systemic, pulmonary ) circuit and pumps it into the pulmonary systemic( pulmonary, systemic ) circuit.

Explanation

Question 5 of 33

Select from the dropdown lists to complete the text.

The left heart takes blood from the pulmonary systemic( pulmonary, systemic ) circuit and pumps it into the systemic pulmonary( systemic, pulmonary ) circuit.

Explanation

Question 6 of 33

List all the structures through which air passes from the nostrils to the alveoli. ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------>❌

Drag and drop to complete the text.

Explanation

Question 7 of 33

Most of the gas exchange in the lungs occurs in the:

Select one or more of the following:

Explanation

Question 8 of 33

Fill the blank space to complete the text.

The outer covering of the lung is called the pleura

Explanation

Question 9 of 33

Select from the dropdown lists to complete the text.

Although the lungs are only attached to the body at the hilus apex( hilus, apex ), the lungs fill the volume provided in the thoracic cavity because of negative positive( negative, positive ) intrapleural interpleural( intrapleural, interpleural ) pressure. force( pressure., force )

Explanation

Question 10 of 33

The inverse relationship between pressure and volume is who's law?

Select one of the following:

Explanation

Question 11 of 33

The purpose in the cartilaginous rings in the trachea are:

Select one of the following:

Explanation

Question 12 of 33

Most of the resistance in the respiratory system is found in the intrapleural space and thus it is filled with fluid to ease this problem.

Select one of the following:

Explanation

Question 13 of 33

Select from the dropdown list to complete the text.

Alveolar pressure is sub-atmospheric atmospheric Positive (greater) than atmospheric P( sub-atmospheric, atmospheric, Positive (greater) than atmospheric P ) during inspiration.

Explanation

Question 14 of 33

The principal muscles of expiration are:

Select one of the following:

Explanation

Question 15 of 33

Fill the blank space to complete the text.

The muscles between the ribs are the

Explanation

Question 16 of 33

place the appropriate type of intercostal muscle with it's correct type of action: Inspiration ------> ❌ Expiration ------> ❌

Drag and drop to complete the text.

Explanation

Question 17 of 33

Match the following terms correctly: ❌ ------> air into the intrapleural space ❌ ------> water into the intrapleural space ❌ ------> blood into the intrapleural space ❌ ------> pain associated with inflammation of the pleura, friction rub ❌-----> where air and water meet

Drag and drop to complete the text.

Explanation

Question 18 of 33

Select from the dropdown list to complete the text.

The pressure in small soap bubbles is higher lower( higher, lower ) than the pressure in large bubbles made of the same soap solution?

Explanation

Question 19 of 33

How many air/liquid interfaces are there in a soap bubble?

Select one of the following:

Explanation

Question 20 of 33

Which of the following plays a role in stabilizing alveoli of different sizes and decreases surface tension?

What are the 3 functions of the respiratory system?
1. ❌
2. ❌
3. ❌

The right heart takes blood from the ( systemic, pulmonary ) circuit and pumps it into the ( pulmonary, systemic ) circuit.

The left heart takes blood from the ( pulmonary, systemic ) circuit and pumps it into the ( systemic, pulmonary ) circuit.

List all the structures through which air passes from the nostrils to the alveoli.

❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------> ❌ ------>❌

Although the lungs are only attached to the body at the ( hilus, apex ), the lungs fill the volume provided in the thoracic cavity because of ( negative, positive ) ( intrapleural, interpleural ) ( pressure., force )

Alveolar pressure is ( sub-atmospheric, atmospheric, Positive (greater) than atmospheric P ) during inspiration.

place the appropriate type of intercostal muscle with it's correct type of action:
Inspiration ------> ❌
Expiration ------> ❌

Match the following terms correctly:
❌ ------> air into the intrapleural space
❌ ------> water into the intrapleural space
❌ ------> blood into the intrapleural space
❌ ------> pain associated with inflammation of the pleura, friction rub
❌-----> where air and water meet

The pressure in small soap bubbles is ( higher, lower ) than the pressure in large bubbles made of the same soap solution?

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

Increased temperature

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

increased CO2

Indicate the effect of the variable on hemoglobin-oxygen affinity and if the effect will favor O2 loading or unloading:

decreased pH

Hyperventilation results in an ( decrease, increase ) in blood CO2.

Hyperventilation results in an ( increase, decrease ) in blood pH.

( CO2, O2 ) dissolves more easily in water.

In terrestrial vertebraes the primary regulated variable in respiration is ( O2, CO2 ).

In aquatic vertebrates the primary regulated variable in respiration is ( CO2, O2 ).

A pH of 10 is ( 1000, 10, 100, 10000 ) times more ( base, acid ) than a pH of 7.

Adding acid to water generally ( increases, decreases ) the pH.