PMED CH35 ACTUAL COMPLETE EXAM|WITH ACCURATE
QUESTIONS AND VERIFIED ANSWERS|GRADED A
Which of the following statements regarding the thorax is correct?
A) The thoracic cavity extends to the ninth or tenth rib posteriorly.
B) The diaphragm inserts into the anterior thoracic cage below the fifth
rib.
C) The dimensions of the thorax are defined inferiorly by the thoracic
inlet.
D) The dimensions of the thorax are defined anteriorly by the thoracic
vertebrae. Ans✓✓✓ B
Bony structures of the thorax include all of the following, EXCEPT the:
A) ribs.
B) scapulae.
C) clavicles.
D) acromion. Ans✓✓✓ D
The eighth, ninth, and tenth ribs are indirectly attached to the sternum by
the:
A) manubrium.
B) angle of Louis.
C) costal cartilage.
D) suprasternal notch. Ans✓✓✓ C
,The eleventh and twelfth ribs are known as the floating ribs because
they:
A) are not attached anteriorly to the sternum.
B) are not connected to any bony structures.
C) do not have a posterior point of attachment.
D) are attached to the sternum only by cartilage. Ans✓✓✓ A
The space between the second and third ribs is called the:
A) third intercostal space.
B) intrathoracic margin.
C) second intercostal space.
D) second subcostal margin Ans✓✓✓ C
Which of the following is NOT a mediastinal structure?
A) Lung
B) Trachea
C) Esophagus
D) Mainstem bronchi Ans✓✓✓ A
The visceral pericardial layer:
A) comprises the pericardial sac itself.
B) is attached directly to the diaphragm.
C) is the outermost layer of the pericardium.
, D) adheres to the heart and forms the epicardium. Ans✓✓✓ D
The anterior-most portion of the heart is the:
A) left ventricle.
B) right ventricle.
C) right atrium.
D) left atrium. Ans✓✓✓ B
The pressure within the right ventricle is:
A) less than the pressure within the right atrium.
B) one fourth of the pressure within the left ventricle.
C) nearly equal to the pressure within the left ventricle.
D) three times greater than the pressure in the left ventricle. Ans✓✓✓ B
Most of the heart is protected:
A) by the anterior rib cage.
B) by the tough pericardium.
C) anteriorly by the sternum.
D) by the sternal manubrium. Ans✓✓✓ C
What is the cardiac output for an 80-kg man who has a heart rate of 80
beats/min and a stroke volume of 60 mL?
A) 4,800 mL
QUESTIONS AND VERIFIED ANSWERS|GRADED A
Which of the following statements regarding the thorax is correct?
A) The thoracic cavity extends to the ninth or tenth rib posteriorly.
B) The diaphragm inserts into the anterior thoracic cage below the fifth
rib.
C) The dimensions of the thorax are defined inferiorly by the thoracic
inlet.
D) The dimensions of the thorax are defined anteriorly by the thoracic
vertebrae. Ans✓✓✓ B
Bony structures of the thorax include all of the following, EXCEPT the:
A) ribs.
B) scapulae.
C) clavicles.
D) acromion. Ans✓✓✓ D
The eighth, ninth, and tenth ribs are indirectly attached to the sternum by
the:
A) manubrium.
B) angle of Louis.
C) costal cartilage.
D) suprasternal notch. Ans✓✓✓ C
,The eleventh and twelfth ribs are known as the floating ribs because
they:
A) are not attached anteriorly to the sternum.
B) are not connected to any bony structures.
C) do not have a posterior point of attachment.
D) are attached to the sternum only by cartilage. Ans✓✓✓ A
The space between the second and third ribs is called the:
A) third intercostal space.
B) intrathoracic margin.
C) second intercostal space.
D) second subcostal margin Ans✓✓✓ C
Which of the following is NOT a mediastinal structure?
A) Lung
B) Trachea
C) Esophagus
D) Mainstem bronchi Ans✓✓✓ A
The visceral pericardial layer:
A) comprises the pericardial sac itself.
B) is attached directly to the diaphragm.
C) is the outermost layer of the pericardium.
, D) adheres to the heart and forms the epicardium. Ans✓✓✓ D
The anterior-most portion of the heart is the:
A) left ventricle.
B) right ventricle.
C) right atrium.
D) left atrium. Ans✓✓✓ B
The pressure within the right ventricle is:
A) less than the pressure within the right atrium.
B) one fourth of the pressure within the left ventricle.
C) nearly equal to the pressure within the left ventricle.
D) three times greater than the pressure in the left ventricle. Ans✓✓✓ B
Most of the heart is protected:
A) by the anterior rib cage.
B) by the tough pericardium.
C) anteriorly by the sternum.
D) by the sternal manubrium. Ans✓✓✓ C
What is the cardiac output for an 80-kg man who has a heart rate of 80
beats/min and a stroke volume of 60 mL?
A) 4,800 mL
