EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: What structures are in the upper airway and what are their functions?
Answer:
Nares/nasal cavity- enable the entry and exit of air; mouth/oral cavity- allows air and
nutrients to enter your body and helps you speak; pharynx- (nasopharynx,
oropharynx, laryngopharynx) carries air, food, and fluid down from the nose and
mouth; larynx- lets air pass from your throat to your trachea and also contains your
voice box.
Q: What are the structures of the lower airway and what are their functions?
Answer:
Trachea- leads air from larynx to lungs; bronchi- the two main passages from the
trachea to the lungs for air movement; bronchioles- small branches of the bronchi,
alveoli- air sacs of the lungs
Q: Function of the diaphragm
Answer:
Essential to breathing and separates the thoracic cavity from the
abdominal cavity
,EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Respiratory rates based on age
Answer:
Adults 8-24, elderly 20-22, children 18-37, infants 30-60
Q: Name the chambers of the heart and their functions
Answer:
Right atrium- receives oxygen depleted
blood from the veins; left atrium- receives oxygen rich blood from the pulmonary
veins from
the lungs; right ventricle- pumps oxygen depleted blood to pulmonary arteries; left
ventricle-
pumps oxygen rich blood to the major artery from the heart
Q: What is the pericardium?
Answer:
A double walled sack that encloses the heart, gives support, and prevents friction as
the heart moves within it.
,EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Name the 4 valves of the heart and their functions
Answer:
Tricuspid valve- between right atrium
and right ventricle, pulmonary valve- at base of pulmonary artery in the right
ventricle; mitral
valve- between left atrium and left ventricle; aortic valve- at base of aortic artery in
the left
ventricle
Q: What are the intrinsic rates of the heart's electrical impulses?
Answer:
SA node- 60 to 100; AV node- 40 to 60, Bundle of His- 40 to 60
, EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Name the 9 major arteries
Answer:
Aorta, coronary arteries, carotid arteries, femoral arteries,
dorsalis pedis arteries, posterior tibial arteries, brachial arteries, radial arteries, and
pulmonary
arteries
Q: Name the 2 major veins
Answer:
Venae cavae and pulmonary veins
Q: Name the 4 major components of blood
Answer:
Red blood cells, white blood cells, platelets, and
plasma
2026 Update
Q: What structures are in the upper airway and what are their functions?
Answer:
Nares/nasal cavity- enable the entry and exit of air; mouth/oral cavity- allows air and
nutrients to enter your body and helps you speak; pharynx- (nasopharynx,
oropharynx, laryngopharynx) carries air, food, and fluid down from the nose and
mouth; larynx- lets air pass from your throat to your trachea and also contains your
voice box.
Q: What are the structures of the lower airway and what are their functions?
Answer:
Trachea- leads air from larynx to lungs; bronchi- the two main passages from the
trachea to the lungs for air movement; bronchioles- small branches of the bronchi,
alveoli- air sacs of the lungs
Q: Function of the diaphragm
Answer:
Essential to breathing and separates the thoracic cavity from the
abdominal cavity
,EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Respiratory rates based on age
Answer:
Adults 8-24, elderly 20-22, children 18-37, infants 30-60
Q: Name the chambers of the heart and their functions
Answer:
Right atrium- receives oxygen depleted
blood from the veins; left atrium- receives oxygen rich blood from the pulmonary
veins from
the lungs; right ventricle- pumps oxygen depleted blood to pulmonary arteries; left
ventricle-
pumps oxygen rich blood to the major artery from the heart
Q: What is the pericardium?
Answer:
A double walled sack that encloses the heart, gives support, and prevents friction as
the heart moves within it.
,EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Name the 4 valves of the heart and their functions
Answer:
Tricuspid valve- between right atrium
and right ventricle, pulmonary valve- at base of pulmonary artery in the right
ventricle; mitral
valve- between left atrium and left ventricle; aortic valve- at base of aortic artery in
the left
ventricle
Q: What are the intrinsic rates of the heart's electrical impulses?
Answer:
SA node- 60 to 100; AV node- 40 to 60, Bundle of His- 40 to 60
, EMS 1021 Final Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Name the 9 major arteries
Answer:
Aorta, coronary arteries, carotid arteries, femoral arteries,
dorsalis pedis arteries, posterior tibial arteries, brachial arteries, radial arteries, and
pulmonary
arteries
Q: Name the 2 major veins
Answer:
Venae cavae and pulmonary veins
Q: Name the 4 major components of blood
Answer:
Red blood cells, white blood cells, platelets, and
plasma
