

Introduction to Respiratory Science
Pre-Test Questions
Course Introduction
Introduction to Respiratory Science provides students with a foundational understanding of the structure and function of the human respiratory system. The course covers topics such as airway anatomy, gas exchange mechanisms, pulmonary ventilation, lung volumes, and the regulation of breathing. Students will explore the physiological processes that allow for oxygen intake and carbon dioxide elimination and discuss common respiratory disorders and their impact on health. Through lectures, laboratory exercises, and discussions, learners will develop critical thinking skills related to respiratory assessment and gain fundamental knowledge essential for further study in health sciences and clinical practice.
Recommended Textbook
Cardiopulmonary Anatomy Physiology Essentials of Respiratory Care 6th Edition by Terry Des Jardins
Available Study Resources on Quizplus
20 Chapters
1021 Verified Questions
1021 Flashcards
Source URL: https://quizplus.com/study-set/835 Page 2


Chapter 1: The Anatomy and Physiology of the Respiratory System
Available Study Resources on Quizplus for this Chatper
110 Verified Questions
110 Flashcards
Source URL: https://quizplus.com/quiz/16586
Sample Questions
Q1) Which of the laryngeal cartilages are paired?
I.Cuneiform
II.Arytenoid
III.Corniculate
IV.Cricoid
A) I, II, and III only
B) I, II, III, and IV
C) I, II, and IV only
D) II, III, and IV only
Answer: A
Q2) How many second generation bronchi would you find in a healthy adult tracheobronchial tree?
A) 5
B) 3
C) 6
D) 2
Answer: A
To view all questions and flashcards with answers, click on the resource link above. Page 3

Chapter 2: Ventilation
Available Study Resources on Quizplus for this Chatper
77 Verified Questions
77 Flashcards
Source URL: https://quizplus.com/quiz/16587
Sample Questions
Q1) IWhen the average alveolus is fully distended,,what is the approximate surface tension?
A) 50 dynes/cm
B) 50 cm H20
C) 5-15 dynes/cm
D) 5-15 cm H20
Answer: A
Q2) What is the term for the difference between the alveolar pressure and the pleural pressure?
A) transpulmonary pressure
B) transmural pressure
C) transrespiratory pressure
D) transthoracic pressure
Answer: A
Q3) What is the reciprocal of compliance?
A) elastance
B) resistance
C) surface tension
D) viscosity
Answer: A
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: Pulmonary Function Measurements
Available Study Resources on Quizplus for this Chatper
65 Verified Questions
65 Flashcards
Source URL: https://quizplus.com/quiz/16588
Sample Questions
Q1) What portion of an FVC maneuver is affected by the dynamic compression of the walls of the airways?
A) last 70%
B) first 70%
C) last 30%
D) first 30%
Answer: A
Q2) Which of the following are examples of restrictive lung disorders?
I.Flail chest
II.Emphysema
III.Pleural effusion
IV.Cystic fibrosis
A) I and III only
B) II and IV only
C) I, II and IV only
D) I, II, III, and IV

Answer: A
To view all questions and flashcards with answers, click on the resource link above. Page 5

Chapter 4: The Diffusion of Pulmonary Gases
Available Study Resources on Quizplus for this Chatper
49 Verified Questions
49 Flashcards
Source URL: https://quizplus.com/quiz/16589
Sample Questions
Q1) What is the normal diffusion capacity of CO?
A) 25 mL/min/mm Hg
B) 20 mL/min/mm Hg
C) 40 mL/min/mmHg
D) 60 mL/min/mmHg
Q2) At sea level,what would the P<sub>A</sub>O2equal if the P<sub>B</sub> is 760 mm Hg,the PaCO is 40 mm Hg with F<sub>1</sub>O 1.0?
A) 673 mm Hg
B) 600 mm Hg
C) 573 mm Hg
D) 100 mm Hg
Q3) What is absolute humidity of alveolar gas?
A) 44 mg/L
B) 47 mg/L
C) 40 mg/L
D) 21 mg/L
To view all questions and flashcards with answers, click on the resource link above.

Chapter 5: The Anatomy and Physiology of the Circulatory System
Available Study Resources on Quizplus for this Chatper
91 Verified Questions
91 Flashcards
Source URL: https://quizplus.com/quiz/16590
Sample Questions
Q1) What portion of the total blood volume is contained in the venous system?
A) 60%
B) 80%
C) 40%
D) 50%
Q2) What are the boundaries of the pulmonary vascular system?
A) pulmonary trunk to left atrium
B) right atrium to left atrium
C) aorta to right atrium
D) aorta to left ventricle
Q3) What is the inner layer of the heart called?
A) endocardium
B) epicardium
C) myocardium
D) pericardium
Q4) Which valve is located between the right atrium and right ventricle?
A) tricuspid
B) bicuspid
C) pulmonary semilunar
D) aortic semilunar
To view all questions and flashcards with answers, click on the resource link above. Page 7

Chapter 6: Oxygen and Carbon DioxideTransport
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/16591
Sample Questions
Q1) In which type of hemoglobin is the iron in the ferric state?
A) methemoglobin
B) HbA
C) HbF
D) carboxyhemoglobin
Q2) How would a PO of 80 mm Hg affect the oxyhemoglobin dissociation curve and hemoglobin's ability to transport oxygen to peripheral tissues?
A) the curve would not be shifted and oxygen delivery would remain normal
B) the curve would left but oxygen delivery would remain normal
C) the curve would shift right and enhance oxygen delivery
D) the curve would shift left and reduce oxygen delivery
Q3) In the lungs,what substances does carbonic acid primarily dissociate into for removal?
A) CO and H20
B) HCO - and H+
C) lactic acid
D) carbamino Hb
Q4) What is the end result of venous admixture?
A) reduced PaO and reduced CaO returning to left side of the heart
B) increased PaO and increased CaO returning to left side of the heart
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Acid Base Balance
Available Study Resources on Quizplus for this Chatper
68 Verified Questions
68 Flashcards
Source URL: https://quizplus.com/quiz/16592
Sample Questions
Q1) What does an anion gap of 18 mEq/L indicate?
A) metabolic acidosis
B) metabolic alkalosis
C) respiratory acidosis
D) lab error
Q2) What is the normal pH range for venous blood?
A) 7.30-7.40
B) 7.40-7.50
C) 7.25-7.35
D) 7.35-7.45
Q3) What substances are released when carbonic acid dissociates?
A) bicarbonate ions and H+
B) bicarbonate ions and OH-
C) bicarbonate ions and proteins
D) bicarbonate ions and water
Q4) What are the most commonly measured anions in the anion gap?
A) chloride and bicarbonate
B) sodium and chloride
C) bicarbonate and sodium
D) bicarbonate and potassium

9
To view all questions and flashcards with answers, click on the resource link above.

Chapter 8: Ventilation Perfusion Relationships
Available Study Resources on Quizplus for this Chatper
20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/16593
Sample Questions
Q1) Which of the following will result in a decreased ventilation-perfusion ratio?
I.Asthma
II.Emphysemaa
III.Pulmonary fibrosis
IV.Pulmonary emboli
A) I, II, and III only
B) I, II, and IV only
C) 1, II, III, and IV
D) II, III, and IV only
Q2) Which of the following conditions would result in an increased ETCO ?
I.Seizures
II.Hyperthermia
III.Hemorrhage
IV.Pulmonary emboli
A) I and II only
B) I, II, and III only
C) I and III only
D) II, III, and IV only
To view all questions and flashcards with answers, click on the resource link above. Page 10

Chapter 9: Control of Ventilation
Available Study Resources on Quizplus for this Chatper
50 Verified Questions
50 Flashcards
Source URL: https://quizplus.com/quiz/16594
Sample Questions
Q1) What is the term for an involuntary diaphragmatic spasm followed by sudden glottic closure?
A) hiccup
B) burp
C) cough
D) sneeze
Q2) What would most likely trigger the peripheral chemoreceptors when uncontrolled diabetes is present?
A) excessive H+ accumulation
B) low PaCO
C) low H+ levels in the blood
D) high PaCO
Q3) What is another name for the Hering-Breuer reflex?
A) inflation reflex
B) deflation reflex
C) irritant reflex
D) Head's paradoxical reflex
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Fetal Development and the Cardiopulmonary System
Available Study Resources on Quizplus for this Chatper
35 Verified Questions
35 Flashcards
Source URL: https://quizplus.com/quiz/16595
Sample Questions
Q1) Where does fetal lung fluid originate?
A) from alveolar cells
B) from aspiration of amniotic fluid
C) from maternal lymph vessels
D) from the stomach and esophagus
Q2) What is the term for the premature separation of the placenta from the uterine wall?
A) abruptio placentae
B) placenta previa
C) placenta accreta
D) placenta percreta
Q3) What is the average lung compliance of a neonate?
A) 0.005 L/cm H20
B) 0.5 L/cm H20
C) 0.050 L/cm H20
D) 0.005 mL/cm H20
To view all questions and flashcards with answers, click on the resource link above.

12

Chapter 11: Aging and the Cardiopulmonary System
Available Study Resources on Quizplus for this Chatper
32 Verified Questions
32 Flashcards
Source URL: https://quizplus.com/quiz/16596
Sample Questions
Q1) How is the work of the heart affected by aging?
A) It decreases 1% per year
B) It increases 1% per year
C) It decreases by 3% per year
D) It increases by 3% per year
Q2) By what age is the growth and development of the lungs complete?
A) 20 years
B) 12 years
C) 40 years
D) 4 years
Q3) What changes can be expected in arterial venous oxygen content difference C(a-v)O with aging?
A) It decreases with age
B) It is not affected by aging
C) It remains constant until age 60 then increases
D) It remains constant until age 30 then increases
To view all questions and flashcards with answers, click on the resource link above. Page 13

Chapter 12: Electrophysiology of the Heart
Available Study Resources on Quizplus for this Chatper
27 Verified Questions
27 Flashcards
Source URL: https://quizplus.com/quiz/16597
Sample Questions
Q1) What are the three promary electrolytes responsible for the electrical difference across the resting membrane potential?
A) potassium, sodium, and calcium
B) potassium sodiun, and chloride
C) sodium, chloride, and bicarbonate
D) sodium, chloride, and potassium
Q2) Which phase of the action potential represents the relative refractory period?
A) Last half of Phase 3
B) First half of Phase 3
C) Last half of Phase 4
D) First half of Phase 4
Q3) What is the basic term for the phase in which the heart is not generating an action potential?
A) polarized
B) depolarized
C) contractile
D) conductive
To view all questions and flashcards with answers, click on the resource link above. Page 14

Chapter 13: The Standard 12 ECG System
Available Study Resources on Quizplus for this Chatper
29 Verified Questions
29 Flashcards
Source URL: https://quizplus.com/quiz/16598
Sample Questions
Q1) Which portion of the ECG tracing represents the time between ventricular depolarization and repolarization?
A) ST segment
B) T wave
C) QRS complex
D) PR interval
Q2) What is the standard speed at which ECG systems run?
A) 25 mm/sec
B) 25 cm/sec
C) 2.5 mm/sec
D) 2.5 cm/sec
Q3) On ECG paper operating at standard speed,what is the duration of the large squares?
A) 0.2 seconds
B) 2 seconds
C) 0.04 sec
D) 0.4 sec
To view all questions and flashcards with answers, click on the resource link above. Page 15
Chapter 14: ECG Interpretation
Available Study Resources on Quizplus for this Chatper
27 Verified Questions
27 Flashcards
Source URL: https://quizplus.com/quiz/16599
Sample Questions
Q1) In which dysrhythmias would ff waves be present?
A) atrial flutter and atrial fibrillation
B) PAC and atrial tachycardia
C) atrial flutter and bigeminy
D) bigeminy and atrial tachycardia
Q2) When the PR interval consistently exceeds 0.20 seconds in duration and the QRS rate is 60-100,which abnormality is present?
A) first degree AV block
B) second degree AV block
C) complete AV block
D) asystole
Q3) What is the name of the abnormal condition in which the bundle of His controls the ventricles at a rate of 40-60 bpm and the atrial rate exceeds the ventricular rate?
A) escape junctional pacemaker
B) bradycardia
C) ventricular escape mechanism
D) asystole
To view all questions and flashcards with answers, click on the resource link above.

16
Chapter 15: Hemodynamic Measurements
Available Study Resources on Quizplus for this Chatper
44 Verified Questions
44 Flashcards
Source URL: https://quizplus.com/quiz/16600
Sample Questions
Q1) In a healthy adult at rest,what is the normal range for stroke volume?
A) 60-130 mL
B) 30-65 mL
C) 20-120 mL
D) 40-60 mL
Q2) What is the term for the study of forces that influence the circulation of blood?
A) hemodynamics
B) hematology
C) cardiology
D) pulmodynamics
Q3) Which hemodynamic meausrement would be most increased when a pulmonary embolism is present?
A) mean pulmonary pressure
B) SVR
C) PCWP
D) LVSWI
To view all questions and flashcards with answers, click on the resource link above.

Page 17

Chapter 16: Renal Failure and Its Effects on the
Cardiopulmonary System
Available Study Resources on Quizplus for this Chatper
73 Verified Questions
73 Flashcards
Source URL: https://quizplus.com/quiz/16601
Sample Questions
Q1) What is the net filtration pressure in the glomeruli?
A) 10 mm Hg
B) 30 mm Hg
C) 55 mm Hg
D) 75 mm Hg
Q2) When the extracellular fluids become too alkaline,how do the kidneys respond?
A) They excrete HCO - into the urine
B) They excrete HCO - into the blood
C) They add PCO into the blood
D) They trigger the respiratory centers to hyperventilate
Q3) What portion of the urea in glomerular filtrate is reabsorbed by the blood?
A) 50%
B) 99%
C) 100%
D) <1%
Q4) What effect,if any,does negative pressure ventilation have on renal function?
A) It increases urinary output
B) It decreases urinary output
C) It enhances renal calculi formation
D) It increases the incidence of renal bacterial infections
To view all questions and flashcards with answers, click on the resource link above. Page 18

Chapter 17: Sleep Physiology and Its Relationship to the
Cardiopulmonary
System
Available Study Resources on Quizplus for this Chatper
64 Verified Questions
64 Flashcards
Source URL: https://quizplus.com/quiz/16602
Sample Questions
Q1) What is the most common sleep disorder?
A) insomnia
B) hypersomnia
C) narcolepsy
D) sleep apnea
Q2) What is the term for the duration of time required to fall asleep?
A) sleep latency
B) drowsiness
C) lights out time
D) sleep delay time
Q3) How much sleep is required by the older adult?
A) 6-8 hours per day
B) 8-10 hours per day
C) 10-12 hours per day
D) 12-14 hours per day
Q4) Which sleep stage accounts for 40-50% of total sleep time?
A) Stage N2
B) Stage N1
C) Stage N3
D) REM
To view all questions and flashcards with answers, click on the resource link above. Page 19

Chapter 18: Exercise and Its Effects on the Cardiopulmonary System
Available Study Resources on Quizplus for this Chatper
34 Verified Questions
34 Flashcards
Source URL: https://quizplus.com/quiz/16603
Sample Questions
Q1) What is the term for the point at which the energy pathways that produce lactic acid start to operate?
A) Anaerobic threshold
B) Aerobic threshold
C) Cardiovascular threshold
D) Isometric threshold
Q2) Which of the following can produce vasodilation of working muscles?
I.Adenosine triphosphate
II.Aldosterone
III.Acetylcholine
IV.Lactic acid
A) I, II, and III only
B) I, II, III, and IV
C) I only
D) IV only
Q3) What is the formula for calculating the maximum heart rate?
A) maximum heart rate = 220 - (age in years)
B) maximum heart rate = 250- (age in years x 2)
C) maximum heart rate = 220 - (age in years x 1.5)
Page 20
D) maximum heart rate = 250 -(age in years +20)
To view all questions and flashcards with answers, click on the resource link above.

Chapter 19: High Altitude and Its Effects on the
Cardiopulmonary
System
Available Study Resources on Quizplus for this Chatper
25 Verified Questions
25 Flashcards
Source URL: https://quizplus.com/quiz/16604
Sample Questions
Q1) Which breathing pattern is often initially seen in lowlanders who ascend to high altitudes?
A) Cheyne-Stokes
B) Kussmaul's
C) Biot's
D) apneusis
Q2) For what duration do adaptive changes occur in the blood after ascent to high altitudes?
A) 6 weeks
B) 1 week
C) 48-72 hours
D) 12-24 hours
Q3) What is the term for the body's compensatory responses to relocation to a high altitude from seal level?
A) acclimatization
B) adjustment
C) adaptation
D) accomodation
To view all questions and flashcards with answers, click on the resource link above. Page 21

Chapter 20: High Pressure Environments and Their Effects on the
Cardiopulmonary System
Available Study Resources on Quizplus for this Chatper
27 Verified Questions
27 Flashcards
Source URL: https://quizplus.com/quiz/16605
Sample Questions
Q1) What is the term for an abnormal collection of air in the abdominal cavity?
A) pneumoperitoneum
B) pneumomediastinum
C) pneumothorax
D) pneumopericardium
Q2) Which gas law can be used to calculate the changes in gas volumes and pressures applied to diving?
A) Boyle's
B) Henry's
C) Charles'
D) Dalton's
Q3) What was the world record time established in 2008 for the longest breath hold?
A) 17 minutes +
B) 14 minutes +
C) 10 minutes+
D) 8 minutes+
To view all questions and flashcards with answers, click on the resource link above. Page 22