Intro to Respiratory Therapy Exam
Questions and Answers (Latest Update
2025)
1.Identify the scientist that built the first barometer. -
Correct Answer ✅Evangelista Torricelli (1608-1647)
2.Convert pressure measurements from mm Hg to Torr. -
Correct Answer ✅1 mmHG = 1 Torr
3.Identify the scientist who explained the relationship
between altitude and barometric pressure. - Correct Answer
✅a.Blaisé Pascal
4.Identify a unit of measurement frequently used in Europe
for barometric pressure that is "named after" Blaise Pascal. -
Correct Answer ✅Kilopascals (kPa)
5.Identify the scientist who explained the relationship
between gas pressure and volume when temperature of the
gas is constant. - Correct Answer ✅Robert Boyle
6.Apply Boyle's Law to volume changes in the chest with
normal breathing. - Correct Answer ✅When the pressure in
,Intro to Respiratory Therapy Exam
Questions and Answers (Latest Update
2025)
the chest decreases and the diaphragm contracts the volume
in the chest increases
7.Identify the English scientist credited with the discovery of
dephlogisticated air (oxygen) in 1774. - Correct Answer
✅Joseph Priestly
8.Identify the scientist who described the mathematical
relationship between gas temperature and volume when gas
pressure is constant. - Correct Answer ✅Jacques-
Alexandre-Cesar-Charles (Charles Law)
9.Describe the purpose of the Pneumatic Institute established
by Thomas Beddoes in 1798 in Bristol England. - Correct
Answer ✅Use oxygen to treat a variety of maladies
10.Identify the scientist who explained that the amount of
gas dissolved in a liquid is directly proportional to the partial
pressure of all gases to which the liquid is exposed (above
the liquid) and the solubility of the gas in a liquid. - Correct
Answer ✅William Henry
, Intro to Respiratory Therapy Exam
Questions and Answers (Latest Update
2025)
11.Identify the scientist and his law that explains the
relationship between pressure and surface tension in fluid
droplets that is applied to the pressure required to inflate the
alveoli. - Correct Answer ✅Simon De LaPlace Laplace's Law
12.Identify the French scientist who invented the stethoscope
for auscultation if the chest and authored the book - Diseases
of the Chest in 1816. - Correct Answer ✅Rene T.H Laennec
2.Identify the English scientist who developed the spirometer
to measure lung capacity in 1846. - Correct Answer ✅John
Hutchinson
3.Identify the Danish scientist who first described the
oxyhemoglobin dissociation curve in 1886. - Correct Answer
✅Christian Bohr
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