Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
ventilation -
correct answer ✅breathing in and out (inhalation and exhalation),
or artificial provision of breaths
Inhalation -
correct answer ✅is an active process. The muscles of the chest
including intercostal muscles between the ribs, expand at the same
time the diaphragm contracts in a downwards motion. These
mvmts. increase the size of chest cavity and create a Negative
Pressure. The NG pressure pulls air in through the glottic opening
and inflates the lung.
Exhalation -
correct answer ✅is a passive process. It occurs when the muscles
of the chest such as intercostal and the diaphragm muscles relax. As
the size of the chest decreases, it creates a Positive Pressure and
pushes air out. Because it's passive, exhalation typically takes
slightly longer than inhalation.
It causes a negative pressure, drawing air into the lungs.
We know that the diaphragm is contracting during inspiration,
which increases the space into the thoracic cavity. With more space
,Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
the pressure decreases... When there is a negative pressure, air is
drawn into the lungs because the pressure of the atmosphere (air
we breath) is higher than in the lungs. -
correct answer ✅As the thoracic cavity expands during inspiration,
what is the most correct about the process?
Tidal Volume (TV) -
correct answer ✅The volume of air moved in one in-and-out cycle
of breathing
Minute Volume (MV) -
correct answer ✅Amount of air moving in and out of lungs each
minute (~8,000 mL); TV x RR = MV
or the amt. of air breathed in during each respiraton multiplied by
the # of breaths per minute
dead air space -
correct answer ✅air that occupies the space between the mouth
and alveoli but that does not actually reach the area of gas
exchange.
About 150mL of a normal TV occupies the space b/w the mouth
and alveoli but does NOT actually reach the area of gas exchange
,Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
Inhalation is another term for inspiration -
correct answer ✅The active process that contracts several muscles
to increase size of the chest cavity. Then causes air to flow into the
lungs.
The intercostal muscles and the diaphragm contract.
The diaphragm lower and the ribs move upward and outward.
Expiration is another term for exhalation -
correct answer ✅A passive process. Expiration involves the
relaxation of the intercostal (rib) muscles and diaphragm.
The ribs move downward and inward.
While the diaphragm rises.
This mvmt. causes the chest cavity to decrease in size and causes
air to flow out of the lungs
Ribs move upward and outward;
Air flows into lungs;
Diaphragm and intercostal muscles contract;
diaphragm moves upward
, Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
Answer: diaphragm moves upward -
correct answer ✅All of the following happens during inhalation,
except?
Answer: CO Poisioning.
Answer Explanation:
Anytime someone is running a vehicle in the closed space, it should
alert you something out of ordinary. CO is caused by incomplete
combustion of organic matter and in this case, the exhaust of the
pt's vehicle. If you suspect CO poisioning, it is not effective to use
SpO2 as a diagnostic tool because the CO binds to the hemoglobin
and gives a false reading. This pt. could definitely be having an MI,
but based on the information, the most likely answer is CO
poisoning. -
correct answer ✅You responded to a 38-year old male with chest
pain and shortness of breath. The pt.'s wife states that he was in
garage working on his car when he began to feel light-headed and
shortness of breath. He was having to run his car while in garage
but was using a pipe to remove the exhaust. Vitals: BP- 143/92, P-
122 , R- 12 , and SpO2- 99%. This pt. is most likely suffering from?
Questions & Answers (Grade A+)
ventilation -
correct answer ✅breathing in and out (inhalation and exhalation),
or artificial provision of breaths
Inhalation -
correct answer ✅is an active process. The muscles of the chest
including intercostal muscles between the ribs, expand at the same
time the diaphragm contracts in a downwards motion. These
mvmts. increase the size of chest cavity and create a Negative
Pressure. The NG pressure pulls air in through the glottic opening
and inflates the lung.
Exhalation -
correct answer ✅is a passive process. It occurs when the muscles
of the chest such as intercostal and the diaphragm muscles relax. As
the size of the chest decreases, it creates a Positive Pressure and
pushes air out. Because it's passive, exhalation typically takes
slightly longer than inhalation.
It causes a negative pressure, drawing air into the lungs.
We know that the diaphragm is contracting during inspiration,
which increases the space into the thoracic cavity. With more space
,Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
the pressure decreases... When there is a negative pressure, air is
drawn into the lungs because the pressure of the atmosphere (air
we breath) is higher than in the lungs. -
correct answer ✅As the thoracic cavity expands during inspiration,
what is the most correct about the process?
Tidal Volume (TV) -
correct answer ✅The volume of air moved in one in-and-out cycle
of breathing
Minute Volume (MV) -
correct answer ✅Amount of air moving in and out of lungs each
minute (~8,000 mL); TV x RR = MV
or the amt. of air breathed in during each respiraton multiplied by
the # of breaths per minute
dead air space -
correct answer ✅air that occupies the space between the mouth
and alveoli but that does not actually reach the area of gas
exchange.
About 150mL of a normal TV occupies the space b/w the mouth
and alveoli but does NOT actually reach the area of gas exchange
,Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
Inhalation is another term for inspiration -
correct answer ✅The active process that contracts several muscles
to increase size of the chest cavity. Then causes air to flow into the
lungs.
The intercostal muscles and the diaphragm contract.
The diaphragm lower and the ribs move upward and outward.
Expiration is another term for exhalation -
correct answer ✅A passive process. Expiration involves the
relaxation of the intercostal (rib) muscles and diaphragm.
The ribs move downward and inward.
While the diaphragm rises.
This mvmt. causes the chest cavity to decrease in size and causes
air to flow out of the lungs
Ribs move upward and outward;
Air flows into lungs;
Diaphragm and intercostal muscles contract;
diaphragm moves upward
, Airway and Breathing-EMT Exam
Questions & Answers (Grade A+)
Answer: diaphragm moves upward -
correct answer ✅All of the following happens during inhalation,
except?
Answer: CO Poisioning.
Answer Explanation:
Anytime someone is running a vehicle in the closed space, it should
alert you something out of ordinary. CO is caused by incomplete
combustion of organic matter and in this case, the exhaust of the
pt's vehicle. If you suspect CO poisioning, it is not effective to use
SpO2 as a diagnostic tool because the CO binds to the hemoglobin
and gives a false reading. This pt. could definitely be having an MI,
but based on the information, the most likely answer is CO
poisoning. -
correct answer ✅You responded to a 38-year old male with chest
pain and shortness of breath. The pt.'s wife states that he was in
garage working on his car when he began to feel light-headed and
shortness of breath. He was having to run his car while in garage
but was using a pipe to remove the exhaust. Vitals: BP- 143/92, P-
122 , R- 12 , and SpO2- 99%. This pt. is most likely suffering from?
