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Exam (elaborations)

RT 121 Test 1 Questions and Answers 100% PASS

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RT 121 Test 1 Questions and Answers 100% PASS

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Institution
RT 121
Course
RT 121

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Uploaded on
January 2, 2026
Number of pages
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Written in
2025/2026
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RT 121 Test 1 Questions and Answers
100% PASS

Joseph Priestly 1774 - CORRECT ANSWER-discovered oxygen

How did Joseph priestly discover oxygen - CORRECT ANSWER-by heating red

oxide of mercury

A candle burns more vigorously in presence of - CORRECT ANSWER-oxygen

Hippocrates - CORRECT ANSWER-first to describe digital clubbing

Andreas Vesalius - CORRECT ANSWER-first to use tracheostomy tube,

documented pneumothorax, ventricular fibrillation

Gustav Magnus - CORRECT ANSWER-first scientist credited for quantitative

analysis of O2 & CO2

Robert Heinrich Herman Koch & Louis Pasteur - CORRECT ANSWER-

Scientists regarded fathers of germ theory & microbiology

Thomas Beddoes - CORRECT ANSWER-first clinician to implement therapeutic

use of medical gases

John Hutchinson - CORRECT ANSWER-surgeon developed/used first

spirometer measuring effects of lung disease on lung volumes

, Christian Bohr - CORRECT ANSWER-O2 binding to hemoglobin

Bohr shift in oxyhemoglobin-dissociation curve

How to get credit for discovering a gas - CORRECT ANSWER-1. Preparation of

a gas 2. Identification of a gas 3. Oral/ Written communication to other scientists

4. Publication

1907 - CORRECT ANSWER-Development of nasal cannula

1918 - CORRECT ANSWER-Development of oxygen mask

1926 - CORRECT ANSWER-development of a crude 'iron lung'

How did the iron lung work? - CORRECT ANSWER-Ventilation was performed

by raising & lowering pressure within chamber

1939 - CORRECT ANSWER-Dr. Paul Flagg developed a model department called

'gas therapy' or 'pneumotology'

1947 - CORRECT ANSWER-Dr's in chicago realized a need and developed the

'Inhalation therapy Association'. A non-profit charter organization. O2 continued

to be administered by 'tank jockeys'

Late 1950-1960 - CORRECT ANSWER-'Inhalation therapy' departments opening;

for O2 delivery, & delivery of medications by positive pressure




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