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Thorax Anatomy I

Description

Thoracic vertebrae, ribs, sternum, muscles of the thorax, blood vessels, innervation and the breast.
Hannah Tribe
Quiz by Hannah Tribe, updated more than 1 year ago
Hannah Tribe
Created by Hannah Tribe over 10 years ago
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Resource summary

Question 1

Question
What shape are the vertebral bodies of thoracic vertebrae?
Answer
  • Circular
  • Heart

Question 2

Question
What are the laminae of thoracic vertebrae?
Answer
  • Bony part between transverse and spinous processes
  • Bony part between body and transverse processes

Question 3

Question
What are the pedicles of thoracic vertebrae?
Answer
  • Bony part between the transverse and spinous processes
  • Bony part between the body and transverse processes

Question 4

Question
How many articulations does each thoracic vertebra make?
Answer
  • 5
  • 6
  • 8
  • 10

Question 5

Question
What are the boundaries of the superior thoracic aperture?
Answer
  • 1st rib
  • Scapula
  • Manubrium
  • C7 vertebra
  • Body of sternum
  • T1 vertebra

Question 6

Question
What are the boundaries of the inferior thoracic aperture?
Answer
  • Body of sternum
  • Xiphoid process
  • Rib XI & XII
  • Inferior margin of costal cartilages
  • Diaphragm
  • T12 Vertebra
  • Inferior border of lungs

Question 7

Question
What is the function of the costal groove in the typical ribs (II-X)?
Answer
  • Provides pathway for intercostal muscles
  • Protects the neurovascular bundle

Question 8

Question
Which part of a typical rib is the most common site of fracture?
Answer
  • Head
  • Neck
  • Tubercle
  • Angle
  • Body

Question 9

Question
What do the atypical ribs XI and XII lack?
Answer
  • Head
  • Neck
  • Tubercle
  • Angle
  • Body
  • Costal Groove

Question 10

Question
Our ribs lie obliquely across the thorax, have done since birth and will continue to do so into old age.
Answer
  • True
  • False

Question 11

Question
How many articulations does the manubrium of the sternum make?
Answer
  • 2
  • 4
  • 6
  • 8

Question 12

Question
How many articulations does the body of the sternum make?
Answer
  • 6
  • 8
  • 10
  • 12

Question 13

Question
The Xiphoid process has no articulations.
Answer
  • True
  • False

Question 14

Question
What are the origins and insertions of Pectoralis Major?
Answer
  • Manubrium
  • Coracoid process
  • Acromion
  • Medial half of clavicle
  • Body of sternum
  • Costal cartilages 1-6
  • Ribs 3-6
  • Aponeurosis of external oblique muscle

Question 15

Question
What are the attachments of the diaphragm?
Answer
  • Sternum
  • Inferior borders of ribs
  • Liver
  • Lumbar vertebrae
  • Median, Medial and Lateral Arcuate Ligaments
  • Anterior Intercostal Muscles

Question 16

Question
What innervates the diaphragm?
Answer
  • Diaphragmatic Nerve
  • Phrenic Nerve
  • Vagus Nerve
  • Lower Posterior and Anterior Intercostal Nerves

Question 17

Question
The Phrenic nerve has roots C3,4,5.
Answer
  • True
  • False

Question 18

Question
What passes through the diaphragm?
Answer
  • Superior Vena Cava
  • Inferior Vena Cava
  • Oesophagus
  • Trachea
  • Aorta

Question 19

Question
What are the attachments of serratus anterior?
Answer
  • Inferior border of Clavicle
  • Medial border of Scapula
  • Body of Sternum
  • Anterior surfaces of ribs 1-8/9
  • Costal grooves of ribs 1-8/9

Question 20

Question
What are the origins and insertions of latissimus dorsi?
Answer
  • Spinous processes of vertebrae T7-L5
  • Transverse processes of vertebrae T7-L5
  • Thoracolumbar fascia
  • Sacrum
  • Iliac crest
  • Inferior angle of scapula
  • Spine of scapula
  • Inferior 3/4 ribs
  • Intertubercular groove of humerus
  • Acromion

Question 21

Question
In which direction do the fibres of the external intercostal muscles run?
Answer
  • // \\
  • \\ //

Question 22

Question
What do the external intercostal muscles do?
Answer
  • Aid inspiration
  • Aid expiration

Question 23

Question
The external intercostal muscles span the whole ribcage.
Answer
  • True
  • False

Question 24

Question
The internal intercostal muscles are used in normal expiration.
Answer
  • True
  • False

Question 25

Question
The innermost intercostal muscles are used only in forced expiration.
Answer
  • True
  • False

Question 26

Question
In which direction do the fibres of both the internal and innermost intercostal muscles run?
Answer
  • // \\
  • \\ //

Question 27

Question
What structure passes between the internal and innermost intercostal muscles?
Answer
  • The neurovascular bundle
  • Subcostal arteries
  • Ribs

Question 28

Question
Where would you find the internal intercostal muscles?
Answer
  • Laterally
  • Posterolaterally
  • Anterolaterally
  • Throughout whole ribcage

Question 29

Question
Where would you find the innermost intercostal muscles?
Answer
  • Laterally
  • Posterolaterally
  • Anterolaterally
  • Throughout the whole ribcage

Question 30

Question
How many pairs of posterior intercostal arteries are there?
Answer
  • 9
  • 11
  • 12
  • 13

Question 31

Question
Where do the upper 2 posterior intercostal arteries arise from?
Answer
  • Subclavian artery
  • Internal Thoracic Artery
  • Costocervical trunk
  • Common Carotid artery

Question 32

Question
Where do the lower 9 posterior intercostal arteries arise from?
Answer
  • Subclavian artery
  • Internal Thoracic artery
  • Thoracic Aorta
  • Musculophrenic artery

Question 33

Question
How many pairs of anterior intercostal arteries are there?
Answer
  • 9
  • 11
  • 12
  • 13

Question 34

Question
Where do the upper 6 pairs of anterior intercostal arteries arise from?
Answer
  • Subclavian artery
  • Costocervical trunk
  • Internal Thoracic artery
  • Musculophrenic artery

Question 35

Question
Where do the lower 3 pairs of anterior intercostal arteries arise from?
Answer
  • Subclavian artery
  • Internal Thoracic artery
  • Musculophrenic artery
  • Superior Epigastric artery

Question 36

Question
The Internal Thoracic arteries are branches of the Thoracic Aorta.
Answer
  • True
  • False

Question 37

Question
What does the Internal Thoracic artery divide into?
Answer
  • Musculophrenic artery
  • Posterior intercostal arteries
  • Thoracic Aorta
  • Superior Epigastric artery

Question 38

Question
From where do intercostal nerves arise?
Answer
  • Vagal plexus
  • Sympathetic chain
  • Anterior rami of thoracic spinal nerves
  • Posterior rami of thoracic spinal nerves

Question 39

Question
What does the long thoracic nerve innervate?
Answer
  • Pectoralis Major
  • Pectoralis Minor
  • Serratus Anterior
  • Serratus Posterior Superior
  • Latissimus Dorsi

Question 40

Question
Where does the medial pectoral nerve arise from?
Answer
  • Intercostal nerves 2-5
  • Medial cord of brachial plexus
  • Median nerve
  • Lond thoracic nerve

Question 41

Question
What does the medial pectoral nerve supply?
Answer
  • Pectoralis Major AND Minor
  • Pectoralis Major
  • Pectoralis Minor

Question 42

Question
Where does the lateral pectoral nerve arise from?
Answer
  • Lateral cord of brachial plexus
  • Long thoracic nerve
  • Intercostal nerves
  • Vagal plexus

Question 43

Question
Where does the lateral pectoral nerve arise from?
Answer
  • Lateral cord of brachial plexus
  • Long thoracic nerve
  • Intercostal nerves
  • Vagal plexus

Question 44

Question
What does the lateral pectoral nerve innervate?
Answer
  • Pectoralis Major AND Minor
  • Pectoralis Major
  • Pectoralis Minor

Question 45

Question
What are the secretory lobules of the breast?
Answer
  • Specialised sweat glands
  • Hormone-secreting cells
  • Milk-producing cells

Question 46

Question
What is contained in a breast?
Answer
  • Fat lobules
  • Breast bone
  • Suspensory ligaments
  • Ribs
  • Secretory lobules
  • Lactiferous ducts
  • Vagal plexus
  • Lactiferous sinuses
  • Anterior intercostal arteries and veins
  • Nipple

Question 47

Question
What is a simple mammary gland?
Answer
  • One milk-secreting lobule
  • All lobules supplying one nipple
  • All lobules entering one duct

Question 48

Question
What is a complex mammary gland?
Answer
  • All milk-secreting lobules in the woman's body
  • All milk-secreting lobules supplying one nipple
  • All lobules supplying one lactiferous sinus

Question 49

Question
Which arteries supply the breast?
Answer
  • Musculophrenic artery
  • Medial and lateral mammary arteries
  • Long mammary artery
  • Anterior intercostal artery

Question 50

Question
Where does the medial mammary artery arise from?
Answer
  • Costocervical Trunk
  • Subclavian artery
  • Internal Thoracic artery
  • Musculophrenic artery

Question 51

Question
Where does the lateral mammary artery arise from?
Answer
  • Subclavian artery
  • Axillary artery
  • Internal thoracic artery
  • Lateral thoracic artery

Question 52

Question
Where does blood from the breast drain into?
Answer
  • Axillary Vein
  • Basilic Vein
  • Cephalic Vein
  • Azygous Vein

Question 53

Question
Which nerves innervate the breast?
Answer
  • Anterior cutaneous branches of intercostal nerves 4-6
  • Lateral cutaneous branches of intercostal nerves 4-6
  • Posterior cutaneous branches of intercostal nerves 4-6
  • Long thoracic nerve

Question 54

Question
Where does lymph from the breast drain to?
Answer
  • Thoracic duct
  • Pulmonary nodes
  • Axillary nodes
  • The Other Breast
  • Parasternal nodes
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