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HK*3401 - Thorax

Total questions: 58

Worksheet time: 58mins

Name
Class
Date
1.

When we breath in, the diaphragm _____ and _____. Air flows in to the lungs and the intrathoracic pressure ______.

a)
The diaphragm relaxes and rises up; intrathoracic pressure increases.
b)
The diaphragm contracts and drops down; intrathoracic pressure decreases.
c)
The diaphragm relaxes and drops down; intrathoracic pressure increases.
d)
The diaphragm contracts and rises up; intrathoracic pressure increases.
e)

The diaphragm contracts and drops down; intrathoracic pressure increases.

2.

The heart sits on the _____ portion of the respiratory diaphragm.

a)

Central tendinous

b)

Peripheral muscular

3.

Which of the following branches of arteries DO NOT come off of the right & left internal thoracic arteries?

Before you click the answer, try to remember what this does branch off of.

a)

Anterior intercostal arteries

b)

Superior Epigastric Arteries

c)

Musculophrenic Arteries

d)

Pericardiacophrenic Arteries

e)

Superior Phrenic Arteries

4.

Match the statements to the openings of the diaphragm

Categorize the following

Travels posteriorly between the crura

Does not pierce the diaphragm

Unaffected by diaphragm contraction (breathing in)

Aperture exists at vertebral level T10

Passes through the peripheral muscular portion

Passes through the central tendinous portion

Bound by fascia

Aperture exists at vertebral level T8

Aperture exists at vertebral level T12

Right Phrenic Nerve passes through this aperture

Closes in diaphragm contraction

Is pulled open during diaphragm contraction

Vagal trunks pass through this aperture

Thoracic Duct passes through this aperture

Azygos vein passes through this aperture

Caval opening
Esophageal Hiatus
Aortic hiatus
5.

This is a superior view of the respiratory diaphragm. The diaphragm has a central _____ portion and a peripheral _____ portion. _ is labelled anterior.

a)

The diaphragm has a central muscular portion and a peripheral tendinous portion. A is labelled anterior.

b)

The diaphragm has a central muscular portion and a peripheral tendinous portion. B is labelled anterior.

c)

The diaphragm has a central tendinous portion and a peripheral muscular portion. A is labelled anterior.

d)

The diaphragm has a central tendinous portion and a peripheral muscular portion. B is labelled anterior.

6.

Which of the following pericardial layers blends with the adventitia of great vessels?

a)
Pericardial cavity
b)
Parietal pericardium
c)
Fibrous pericardium
d)
Visceral pericardium
7.

Match the structures that surround the thoracic duct on each side of it.

a)

Posteriorly provide some support structure for the thoracic duct to travel on

1.

Vertebral Bodies

b)

The thoracic duct is hidden by this anterior structure for most of its path

2.

Esophagus

c)

Left Side

3.

Descending Aorta

d)

Right Side

4.

Azygos Vein

8.

Reorder the following structures that supply blood to the diaphragm superiorly from most anterior to most posterior

a)

Musculophrenic arteries

b)

Pericardiacophrenic arteries

c)

Superior phrenic arteries

1)
2)
3)
9.

A) There exists _ azygous vein(s), _ sympathetic trunk(s), and _ thoracic duct(s).

B) The (a)   travel diagonally and supplies the last couple of intercostal spaces then goes on to supply the diaphragm anteriorly/posteriorly.

5 Blanks! Answer them all

10.

Dotted in purple is the _____ vein and dotted in aqua green is the _____ vein which both drain blood from the ___ posterior intercostal veins.

B) The phrenic nerve travels with the ______ artery.

(a)  

11.

A) True or false? The esophagus begins in the center (in the midline) and eventually ends up over on the right-hand side distally.

B) The phrenic nerve is responsible for innervating the diaphragm and represents the ______ rami of which spinal nerves (say this out loud)?

a)

True, anterior

b)

False, anterior

c)

True, posterior

d)

False, posterior

12.

Label the following:

13.

Similar to the pericardium of the heart, the lungs have similar structures - each lung is enclosed in a ______. That which lines the lungs directly is the _____. That which lines the cavity (continuous with the first structure) is the _____ and in between, a potential space exists called the _____.

(a)  

14.

Reorder the following structures in the posterior mediastinum DEEP to the esophagus & descending aorta from right to left on the right hand side.

a)

Sympathetic Trunk

b)

Azygos Vein

c)

Thoracic Duct

1)
2)
3)
15.

In the left lung, the _______ separates the _____ lobe from the _____ lobe

(a)  

16.

A) The _______ crosses in front of the root of the lung and travels distally embedded in the pericardium on route to the diaphragm.

B) The ______ in the region of the SUPERIOR mediastinum travels lateral to the arch of the aorta heading posteriorly

C) The ______ supply blood to the tissues of the lungs

(a)  

17.

in the developing fetus, blood does not travel to the fetal lungs for oxygenation as the maternal blood brings oxygenated blood via the _____ which enters through the _____ of the fetus – it travels directly from the right atrium to the left atrium. The _____ is a partial wall in a way associated with the inferior vena cava that helps direct this oxygenated blood to the opening between the two atria (foramen ovale).



(a)  

18.

A) The arch of the aorta arches ____ the root of the lung

B) True or false? Referring to the pulmonary arteries and veins, arteries are high and veins are low.

a)

Over, true

b)

Over, false

c)

Under, true

d)

Under, false

19.

A) The _____ border of the superior mediastinum is at the _______ – where the internal jugular vein meets a subclavian vein AND where the thoracic duct gets drained!

B) Internally exists a _____ in between the two ventricles (a wall) and a _____ in between the two atria.

(a)  

20.

Which of the following venous structures live in the superior mediastinum?

a)

Subclavian veins

b)

Internal jugular veins

c)

Superior vena cava

d)

Brachiocephalic veins

e)

Azygos vein? Check it for now I haven't actually listened to a lecture about it

21.

Which of the following artery structures live in the superior mediastinum?

a)

Left Common Carotid Artery

b)

Brachiocephalic trunk

c)

Right coronary artery

d)

Left coronary artery

e)

Left Subclavian Artery

22.

A) ______ return their venous blood from the anterior aspect of the heart directly to the right atrium – they sort of hop over the atrioventricular groove (travel from right ventricle to right atria) and are usually quite thin and easy to probe through.

B) As the descending aorta travels distally, it crosses the intercostal spaces and supplies blood to them via the ______

(a)  

23.

_____ are the blood vessels that supply the heart muscle itself. They are located within _____ embedded in fat and covered with _____ pericardium.

(a)  

24.

Order the following structures in the SUPERIOR mediastinum from anterior to posterior

a)

Veins

b)

Arteries

c)

Trachea

d)

Esophagus

1)
2)
3)
4)
25.

A) ​ (a)  

B) ​ (b)  

C) ​ (c)  

D) ​ (d)  

Choose from the below words
Fibrous Pericardium
Parietal Serous Pericardium
Pericardial Cavity
Visceral Serous Pericardium
26.

The circumflex artery is a branch of the ______ artery and travels in the ______ groove. The _______, which drains deoxygenated venous blood from the heart muscle (myocardium) itself to the right atrium ALSO travels in this groove!

(a)  

27.

A) True or false? The inferior vena cava (IVC) is not visible from an anterior view

B) In situ, the esophagus is _____ relative to the descending aorta.

a)

True, anterior

b)

True, posterior

c)

False, anterior

d)

False, posterior

28.

Name the components of the thorax

4 lines
29.

Reorder the structures within the neurovascular bundle of the intercostal spaces from superior to inferior:

a)

Veins

b)

Arteries

c)

Nerves

1)
2)
3)
30.

A) _______ guard the exit of blood from the ventricles

B) The inferior border of the heart is approximately at vertebral level __

(a)  

31.

Which of the following structures is the anterior mediastinum directly posterior to?

a)

Manubrium

b)

Body of the sternum

c)

Xiphoid process

32.

C) ______

A) ______

Outlined in blue is the _____

D) ______

B) ______

(a)  

33.

______ veins receive venous blood from the intercostal spaces and empty into the _____, which drains into the posterior aspect of the superior vena cava at the level of the _____ and arches over the ______

(a)  

34.

The coronary arteries arise from which portion of the aorta?

a)

The ascending aorta

b)

The descending/thoracic aorta

c)

The arch of the aorta

35.

The pericardium is supplied by which portion of the aorta?

a)

The ascending aorta

b)

The descending/thoracic aorta

c)

The arch of the aorta

36.

The _____ is shaped a bit like a circle and makes its way around the whole circumference of the heart (personally, I believe a bit diagonally).

The _____ does NOT make a full circle around the heart and is instead U shaped (makes its way partially around the heart)

Use the full name if possible!



(a)  

37.

Ascending aorta exists in the...

Select all that apply!

a)

Inferior mediastinum

b)

Superior mediastinum

c)

Middle mediastinum

d)

Anterior mediastinum

e)

Posterior mediastinum

38.

Esophagus exists in the...

Select all that apply!

a)

Inferior mediastinum

b)

Superior mediastinum

c)

Middle mediastinum

d)

Anterior mediastinum

e)

Posterior mediastinum

39.

Of the 3 great vessels of the heart, the _____ brings blood back to the heart from the head, neck, and upper limb region. Its tributaries are the _____, whose tributaries are the _____, which bring venous blood from the upper limbs, and _____, which bring venous blood from the head & neck.

Try to use the full names!

(a)  

40.

Order the following vessels by the order that they branch off the arch of the aorta from proximal to distal (consequently right to left).

a)

Brachiocephalic trunk

b)

Left common carotid artery

c)

Left subclavian artery

1)
2)
3)
41.

When the right coronary artery turns inferiorly/superiorly at the crux, it is renamed to the _____ artery and now travels in the _____.

(a)  

42.

A) The space/place between the inferior border of the manubrium and superior border of the body of the sternum is known as the ______ and exists at vertebral level ______(Type in format 'L3-L4')

B) The xiphoid process exists approximately at vertebral level ___ (Type in format 'L2' [2nd lumbar vertebra])

C) The body of the sternum exists approximately at vertebral level ___-___ (Type in format 'L3-L4')

D) The ____ separates the thorax from the abdomen and sits in the inferior mediastinum (use the full word if you can).

(a)  

43.

A) The _______ is the anatomical feature which provides roots to which structures gain access to the head, neck & upper limbs. List the structures that bound it.

B) The ________ is the anatomical feature which provides roots to which structures gain access to the abdomen, pelvis, & lower limbs. List the structures that bound it - and what is contained within it.

4 lines
44.

The right coronary artery has two branches anteriorly oriented.

If we follow the vessel distally, we will see a branch fairly early – a very tiny, skinny artery travelling superiorly to the approximate location of where the superior vena cava empties into the right atrium called the _____ artery.

Further distal, as the right coronary artery travels near the inferior margin of the heart, the _______ should be visible making its way towards the apex of the heart traveling on the inferior margin of the heart.

(a)  

45.

The anterior thoracic wall is _____ & _____ than the posterior thoracic wall

a)

higher, longer

b)

higher, shorter

c)

lower, longer

d)

lower, shorter

46.

Green structures: ______

Blue structures: ______

Orange structures: ______

These are all features of _________

(a)  

47.

A) Boxed in red is the ______ and boxed in purple are the TWO _______

B) The _____ must be reflected laterally to see the left and right coronary arteries

(a)  

48.

Arch of the aorta exists in the...

Select all that apply!

a)

Inferior mediastinum

b)

Superior mediastinum

c)

Middle mediastinum

d)

Anterior mediastinum

e)

Posterior mediastinum

49.

Descending/thoracic aorta exists in the...

Select all that apply!

a)

Inferior mediastinum

b)

Superior mediastinum

c)

Middle mediastinum

d)

Anterior mediastinum

e)

Posterior mediastinum

50.

Superior vena cava (SVC) exists in the...

Select all that apply!

a)

Inferior mediastinum

b)

Superior mediastinum

c)

Middle mediastinum

d)

Anterior mediastinum

e)

Posterior mediastinum

51.

Order the following structures from anterior to posterior in the superior mediastinum

a)
trachea, aorta, esophagus
b)
esophagus, aorta, trachea
c)
aorta, esophagus, trachea
d)
aorta, trachea, esophagus
e)
esophagus, trachea, aorta
52.

A) True or false? Both the inferior and superior mediastinum are divided into anterior, middle, and posterior compartments

B) The arch of the aorta is located in the ______ mediastinum

a)

True, superior mediastinum

b)

False, superior mediastinum

c)

True, inferior mediastinum

d)

False, inferior mediastinum

53.

Two structures bifurcate distally at the level of the sternal angle - the _____ and _____.

(a)  

54.

If we were the pin the surface of the heart, and you see shininess and a bunch of fat, what would you be seeing?

(a)  

55.

A) True or false? The parietal serous pericardium directly covers pericardial fat.

B) True or false? The thorax is what gives us a broad upper chest.

a)

True, True

b)

True, False

c)

False, True

d)

False, False

56.

The coronary sinus travels ______ in the ______

a)

posteriorly in the interventricular groove

b)

anteriorly in the atrioventricular groove

c)

posteriorly in the atrioventricular groove

d)

anteriorly in the interventricular groove

57.

A) The pulmonary and semilunar valves are made up of _ cusps

B) Posteriorly venous blood enters the right atria – the opening of the coronary sinus internally is right next to the opening of the (a)  

58.

The anterior aspect of the right atrium is ____ walled whereas the posterior aspect of the right atrium is ____ walled. The various vessels that bring venous blood back to the right atrium enter into the ____ walled component.

a)

rough, smooth, smooth

b)

rough, smooth, rough

c)


smooth, rough, rough

d)


smooth, rough, smooth