Question 1

What portion of the left lung corresponds anatomically to the middle lobe of the right lung?

Accepted Answer

A) cardiac notch 
B) lingula 
C) medial segment 
D) superior segment 
A) cardiac notch 
B) lingula 
C) medial segment 
D) superior segment B

Question 2

The human genome contains _____ pairs of chromosomes.

Accepted Answer

A) 16 
B) 23 
C) 46 
D) 50 
A) 16 
B) 23 
C) 46 
D) 50 B

Question 3

What maintains lung inflation during fetal development?

Accepted Answer

A) fetal lung fluid 
B) radial tethering 
C) rigidity of the chest wall 
D) surfactant 
A) fetal lung fluid 
B) radial tethering 
C) rigidity of the chest wall 
D) surfactant A

Question 4

Pressures in the pulmonary circulation are lower than those in the systemic circulation because of what characteristic of the pulmonary circulation?

Accepted Answer

A) higher resistance than the systemic circulation 
B) less blood flow than the systemic circulation 
C) lower resistance than the systemic circulation 
D) more blood flow than the systemic circulation 
A) higher resistance than the systemic circulation 
B) less blood flow than the systemic circulation 
C) lower resistance than the systemic circulation 
D) more blood flow than the systemic circulation

Question 5

Which of the following is an index commonly used to determine relative lung maturity?

Accepted Answer

A) FRC/TLC ratio 
B) L:S ratio 
C) RQ ratio 
D) SP-A 
A) FRC/TLC ratio 
B) L:S ratio 
C) RQ ratio 
D) SP-A

Question 6

The patency of small airways is maintained by which of the following mechanisms?
I.cartilaginous support
II.traction of surrounding elastic tissue
III.transmural pressure gradients

Accepted Answer

A) I 
B) I and II 
C) II and III 
D) I, II, and III 
A) I 
B) I and II 
C) II and III 
D) I, II, and III

Question 7

What percentage of the alveolar surface is covered with pulmonary capillaries?

Accepted Answer

A) 60% 
B) 70% 
C) 80% 
D) 90% 
A) 60% 
B) 70% 
C) 80% 
D) 90%

Question 8

What is a primary function of the larynx?

Accepted Answer

A) cover the glottic opening during forced expiration 
B) house Waldeyer's ring of tonsilar material for airway defense 
C) protect airway during eating or drinking 
D) provide a common passageway for food and gas 
A) cover the glottic opening during forced expiration 
B) house Waldeyer's ring of tonsilar material for airway defense 
C) protect airway during eating or drinking 
D) provide a common passageway for food and gas

Question 9

To what does the term "faster-weaker" refer when discussing the alveolar-capillary membrane?

Accepted Answer

A) portion of the alveolar-capillary membrane that is average in thickness 
B) shortest airways in the acinus, which allow fast gas exchange 
C) thinnest portion of the alveolar-capillary membrane 
D) thickest portion of the alveolar-capillary membrane 
A) portion of the alveolar-capillary membrane that is average in thickness 
B) shortest airways in the acinus, which allow fast gas exchange 
C) thinnest portion of the alveolar-capillary membrane 
D) thickest portion of the alveolar-capillary membrane

Question 10

What is the major source of respiratory tract secretions in the normal lung?

Accepted Answer

A) bronchial glands 
B) Clara cells 
C) goblet cells 
D) mast cells 
A) bronchial glands 
B) Clara cells 
C) goblet cells 
D) mast cells

Question 11

Which of the following statements is NOT true regarding the pulmonary circulation?

Accepted Answer

A) Pulmonary blood flow is highly dependent on gravity. 
B) The pulmonary circulation is a low-pressure system. 
C) Toward the top of the upright lung, blood flow is high. 
A) Pulmonary blood flow is highly dependent on gravity. 
B) The pulmonary circulation is a low-pressure system. 
C) Toward the top of the upright lung, blood flow is high.

Question 12

What results in partial or total obstruction of the airway in an unconscious patient?

Accepted Answer

A) closed mouth coexistent with nasal congestion 
B) epiglottis relaxes and occludes the laryngeal opening 
C) relaxation of tongue and hypopharyngeal muscles. 
D) the uvula occluding the airway 
A) closed mouth coexistent with nasal congestion 
B) epiglottis relaxes and occludes the laryngeal opening 
C) relaxation of tongue and hypopharyngeal muscles. 
D) the uvula occluding the airway

Question 13

By what mechanism does gas exchange across the lung occur?

Accepted Answer

A) active transport 
B) facilitated diffusion 
C) facilitated transport 
D) simple diffusion 
A) active transport 
B) facilitated diffusion 
C) facilitated transport 
D) simple diffusion

Question 14

What type of flow is seen in and beyond the terminal bronchioles?

Accepted Answer

A) laminar 
B) transitional 
C) turbulent 
D) varies among individuals 
A) laminar 
B) transitional 
C) turbulent 
D) varies among individuals

Question 15

What important role does the diaphragm play other than contraction during inspiration?

Accepted Answer

A) enhances cardiac output 
B) facilitates the final push for giving birth 
C) active during forced exhalation 
D) serves as a secondary muscle of expiration 
A) enhances cardiac output 
B) facilitates the final push for giving birth 
C) active during forced exhalation 
D) serves as a secondary muscle of expiration

Question 16

What is meant by "internal respiration"?

Accepted Answer

A) any gas exchange that occurs inside the body 
B) consumption of oxygen in the mitochondria 
C) continuous absorption of oxygen and excretion of carbon dioxide 
D) exchange of gases between the blood and the tissue 
A) any gas exchange that occurs inside the body 
B) consumption of oxygen in the mitochondria 
C) continuous absorption of oxygen and excretion of carbon dioxide 
D) exchange of gases between the blood and the tissue

Question 17

During a vaginal delivery, what facilitates the removal of fetal lung fluid from the pulmonary system?

Accepted Answer

A) high PaO2 
B) low intrapulmonary pressures 
C) thoracic compression 
D) triaging of core functions 
A) high PaO2 
B) low intrapulmonary pressures 
C) thoracic compression 
D) triaging of core functions

Question 18

What is the name of the upper portion of the sternum?

Accepted Answer

A) angle of Louis 
B) manubrium 
C) vertebral process 
D) xiphoid process 
A) angle of Louis 
B) manubrium 
C) vertebral process 
D) xiphoid process

Question 19

By which of the following routes does blood flow through the umbilical cord between the placenta and the fetus?

Accepted Answer

A) one umbilical vein and one umbilical artery 
B) one umbilical vein and two umbilical arteries 
C) two umbilical veins and one umbilical artery 
D) two umbilical veins and two umbilical arteries 
A) one umbilical vein and one umbilical artery 
B) one umbilical vein and two umbilical arteries 
C) two umbilical veins and one umbilical artery 
D) two umbilical veins and two umbilical arteries

Question 20

What is the name given to the acute angle formed by the costal pleura joining the diaphragmatic pleura?

Accepted Answer

A) angle of Louis 
B) costophrenic angle 
C) diaphragmatic groove 
D) oblique fissure 
A) angle of Louis 
B) costophrenic angle 
C) diaphragmatic groove 
D) oblique fissure

Exam 8: The Respiratory System

What portion of the left lung corresponds anatomically to the middle lobe of the right lung?

The human genome contains _____ pairs of chromosomes.

What maintains lung inflation during fetal development?

Pressures in the pulmonary circulation are lower than those in the systemic circulation because of what characteristic of the pulmonary circulation?

Which of the following is an index commonly used to determine relative lung maturity?

The patency of small airways is maintained by which of the following mechanisms? I.cartilaginous support II.traction of surrounding elastic tissue III.transmural pressure gradients

What percentage of the alveolar surface is covered with pulmonary capillaries?

What is a primary function of the larynx?

To what does the term "faster-weaker" refer when discussing the alveolar-capillary membrane?

What is the major source of respiratory tract secretions in the normal lung?

Which of the following statements is NOT true regarding the pulmonary circulation?

What results in partial or total obstruction of the airway in an unconscious patient?

By what mechanism does gas exchange across the lung occur?

What type of flow is seen in and beyond the terminal bronchioles?

What important role does the diaphragm play other than contraction during inspiration?

What is meant by "internal respiration"?

During a vaginal delivery, what facilitates the removal of fetal lung fluid from the pulmonary system?

What is the name of the upper portion of the sternum?

By which of the following routes does blood flow through the umbilical cord between the placenta and the fetus?

What is the name given to the acute angle formed by the costal pleura joining the diaphragmatic pleura?

History of Respiratory Care

Quality and Evidence-Based Respiratory Care

Patient Safety, Communication, and Record Keeping

Principles of Infection Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

Computer Applications in Respiratory Care

The Cardiovascular System

Ventilation

Gas Exchange and Transport

Solutions, Body Fluids, and Electrolytes

Acid-Base Balance

Regulation of Breathing

Bedside Assessment of the Patient

Interpretation of Clinical Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Pulmonary Function Testing

A Review of Thoracic Imaging

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Lung Injury, Pulmonary Edema, and Multiple System Organ

Lung Cancer

Neuromuscular and Other Diseases of the Chest Wall

Disorders of Sleep

Neonatal and Pediatric Respiratory Disorders

Airway Pharmacology

Airway Management

Emergency Cardiovascular Life Support

Humidity and Bland Aerosol Therapy

Aerosol Drug Therapy

Storage and Delivery of Medical Gases

Medical Gas Therapy

Lung Expansion Therapy

Bronchial Hygiene Therapy

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Initiating and Adjusting Ventilatory Support

Noninvasive Positive Pressure Ventilation

Monitoring and Management of the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Respiratory Care in Alternative Settings

Filters