Question 1

Contraction of these muscles depresses the ribs,but only during forced exhalation.

Accepted Answer

A) External intercostals 
B) Scalenes 
C) Transversus thoracis 
D) Internal intercostals 
E) Serratus posterior inferior 
A) External intercostals 
B) Scalenes 
C) Transversus thoracis 
D) Internal intercostals 
E) Serratus posterior inferior D

Question 2

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Accepted Answer

A) True 
 B)False  False

Question 3

Each lung consists of a number of segments called

Accepted Answer

A) alveolar segments. 
B) bronchopulmonary segments. 
C) mesothelial segments. 
D) pleural segments. 
E) systemic segments. 
A) alveolar segments. 
B) bronchopulmonary segments. 
C) mesothelial segments. 
D) pleural segments. 
E) systemic segments. B

Question 4

By following Boyle's law,air flows from a region of lower pressure (the atmosphere)into a region of higher pressure within the lungs.

Accepted Answer

A) True 
 B)False

Question 5

The rate and depth of breathing is regulated by the _____ center.

Accepted Answer

A) apneustic 
B) pulmonary 
C) pneumotaxic 
D) respiratory rhythmicity 
A) apneustic 
B) pulmonary 
C) pneumotaxic 
D) respiratory rhythmicity

Question 6

How long is the average trachea?

Accepted Answer

A) 12-14 inches 
B) 12-14 cm 
C) 12-14 mm 
A) 12-14 inches 
B) 12-14 cm 
C) 12-14 mm

Question 7

With respect to the control of ventilation,which brain region stimulates the internal intercostal muscles to contract,causing forced exhalation?

Accepted Answer

A) Dorsal respiratory group (DRG) 
B) Ventral respiratory group (VRG) 
C) Apneustic area 
D) Pneumotaxic area 
E) Pleurotaxic area 
A) Dorsal respiratory group (DRG) 
B) Ventral respiratory group (VRG) 
C) Apneustic area 
D) Pneumotaxic area 
E) Pleurotaxic area

Question 8

What structure connects the larynx to the primary bronchi?

Accepted Answer

A) Trachea 
B) Pharynx 
C) Esophagus 
D) Bronchioles 
E) Alveolar ducts 
A) Trachea 
B) Pharynx 
C) Esophagus 
D) Bronchioles 
E) Alveolar ducts

Question 9

Which center inhibits the activity of the dorsal respiratory group (DRG)?

Accepted Answer

A) Apneustic center 
B) Pulmonary center 
C) Pneumotaxic center 
D) Respiratory center 
A) Apneustic center 
B) Pulmonary center 
C) Pneumotaxic center 
D) Respiratory center

Question 10

Which statement is true regarding the location of the trachea?

Accepted Answer

A) It lies superior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
B) It lies posterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
C) It lies anterior to the esophagus,inferior to the larynx,and inferior to the primary bronchi of the lungs. 
D) It lies anterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
E) It lies superior to the esophagus,superior to the larynx,and superior to the primary bronchi of the lungs. 
A) It lies superior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
B) It lies posterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
C) It lies anterior to the esophagus,inferior to the larynx,and inferior to the primary bronchi of the lungs. 
D) It lies anterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs. 
E) It lies superior to the esophagus,superior to the larynx,and superior to the primary bronchi of the lungs.

Question 11

-In these views of the trachea,what structure does number 2 indicate?

Accepted Answer

A) Trachealis muscle 
B) Pseudostratified ciliated columnar epithelium 
C) Tracheal cartilage 
D) Anular ligament 
E) Carina 
A) Trachealis muscle 
B) Pseudostratified ciliated columnar epithelium 
C) Tracheal cartilage 
D) Anular ligament 
E) Carina

Question 12

What structures actually produce sound?

Accepted Answer

A) Vestibular folds 
B) Paranasal sinuses 
C) Arytenoid cartilages 
D) Vestibular ligaments 
E) Vocal folds 
A) Vestibular folds 
B) Paranasal sinuses 
C) Arytenoid cartilages 
D) Vestibular ligaments 
E) Vocal folds

Question 13

Which statement is regarding the oropharynx?

Accepted Answer

A) It houses the paired palatine tonsils. 
B) It is located posterior to the oral cavity. 
C) It houses the lingual tonsils. 
D) It houses the pharyngeal tonsil. 
E) It extends from the soft palate to the level of the hyoid bone. 
A) It houses the paired palatine tonsils. 
B) It is located posterior to the oral cavity. 
C) It houses the lingual tonsils. 
D) It houses the pharyngeal tonsil. 
E) It extends from the soft palate to the level of the hyoid bone.

Question 14

Which center stimulates inspiration by increasing the activity of the dorsal respiratory group (DRG)?

Accepted Answer

A) Apneustic center 
B) Pulmonary center 
C) Pneumotaxic center 
D) Respiratory center 
A) Apneustic center 
B) Pulmonary center 
C) Pneumotaxic center 
D) Respiratory center

Question 15

Foreign particles

Accepted Answer

A) are more likely to lodge in the right primary bronchus. 
B) are more likely to lodge in the left primary bronchus. 
C) can lodge equally in either the right or left bronchi. 
A) are more likely to lodge in the right primary bronchus. 
B) are more likely to lodge in the left primary bronchus. 
C) can lodge equally in either the right or left bronchi.

Question 16

Select all that are in the medulla oblongata. 
____ Ventral respiratory group
____ Dorsal respiratory group
_____ Pneumotaxic group
_____ Pontine respiratory center
_____ Peripheral chemoreceptors

Accepted Answer

__X__ Ventral respiratory grou

Question 17

What structure is also known as the "voice box"?

Accepted Answer

A) Larynx 
B) Pharynx 
C) Esophagus 
D) Bronchus 
E) Trachea 
A) Larynx 
B) Pharynx 
C) Esophagus 
D) Bronchus 
E) Trachea

Question 18

The alveolar cell that secretes pulmonary surfactant is the

Accepted Answer

A) alveolar type II cell. 
B) alveolar type I cell. 
C) alveolar macrophages. 
D) dust cells. 
E) squamous alveolar cell. 
A) alveolar type II cell. 
B) alveolar type I cell. 
C) alveolar macrophages. 
D) dust cells. 
E) squamous alveolar cell.

Question 19

Primitive alveoli begin to develop profusely in the embryo around the

Accepted Answer

A) 8th week. 
B) 18th week. 
C) 28th week. 
D) time of birth. 
A) 8th week. 
B) 18th week. 
C) 28th week. 
D) time of birth.

Question 20

-In these views of the larynx,what structure does number 4 indicate?

Accepted Answer

A) Tracheal cartilage 
B) Thyroid cartilage 
C) Arytenoid cartilage 
D) Cricoid cartilage 
E) Corniculate cartilage 
A) Tracheal cartilage 
B) Thyroid cartilage 
C) Arytenoid cartilage 
D) Cricoid cartilage 
E) Corniculate cartilage

Exam 25: Respiratory System

Contraction of these muscles depresses the ribs,but only during forced exhalation.

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Each lung consists of a number of segments called

By following Boyle's law,air flows from a region of lower pressure (the atmosphere)into a region of higher pressure within the lungs.

The rate and depth of breathing is regulated by the _____ center.

How long is the average trachea?

With respect to the control of ventilation,which brain region stimulates the internal intercostal muscles to contract,causing forced exhalation?

What structure connects the larynx to the primary bronchi?

Which center inhibits the activity of the dorsal respiratory group (DRG)?

Which statement is true regarding the location of the trachea?

-In these views of the trachea,what structure does number 2 indicate?

What structures actually produce sound?

Which statement is regarding the oropharynx?

Which center stimulates inspiration by increasing the activity of the dorsal respiratory group (DRG)?

Foreign particles

Select all that are in the medulla oblongata. ____ Ventral respiratory group ____ Dorsal respiratory group _____ Pneumotaxic group _____ Pontine respiratory center _____ Peripheral chemoreceptors

What structure is also known as the "voice box"?

The alveolar cell that secretes pulmonary surfactant is the

Primitive alveoli begin to develop profusely in the embryo around the

-In these views of the larynx,what structure does number 4 indicate?

A First Look at Anatomy

The Celt Basic Unit of Structure and Function

Embryology

Tissue Level of Organization

Integumentary System

Cartilage and Bone

Axial Skeleton

Appendicular Skeleton

Articulations

Muscle Tissue and Organization

Axial Muscles

Appendicular Muscles

Surface Anatomy

Nervous Tissue

Brain and Cranial Nerves

Spinal Cord and Spinal Nerves

Pathways and Integrative Functions

Autonomic Nervous System

Senses: General and Special

Endocrine System

Blood

Heart

Vessels and Circulation

Lymphatic System

Digestive System

Urinary System

Reproductive System

Filters

Select all that are in the medulla oblongata. __ Ventral respiratory group Dorsal respiratory group _ Pneumotaxic group _ Pontine respiratory center ___ Peripheral chemoreceptors