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Thorax MCQ's
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Questions in this quiz (20)
1Pectoral nerves are branches of the medial and lateral cords of the brachial plexus
- ATrue
- BFalse
2Long thoracic nerve is a direct branch of the roots of the brachial plexus
- ATrue
- BFalse
3Dorsal scapular nerve is a direct branch of the roots of the brachial plexus
- ATrue
- BFalse
4The suprasternal space is between the superficial (investing) and middle lamina of deep cervical fascia
- ATrue
- BFalse
5The phrenic nerve is a part of the neurovascular bundle of the neck
- ATrue
- BFalse
6The subclavian vessels arch over the anterior surface of the dome of the pleura
- ATrue
- BFalse
7In lymphatic drainage of the breast, the major portion (about 75%) enters eventually into which group of nodes?
- ACentral axillary
- BDeltopectoral
- CLateral axillary
- DParasternal
- ESubscapular
8The clavipectoral fascia is penetrated by which artery?
- AAnterior circumflex humeral
- BAxillary
- CSubscapular
- DThoracoacromial
- EThoracodorsal
9During a motorcycle accident, an 18-year-old male landed on the right lateral side of his rib cage with his right upper limb abducted. In the hospital he was found to have "winging" of the right scapula. Which nerve was likely damaged in the accident?
- AAccessory
- BLateral pectoral
- CLong thoracic
- DPhrenic
- EVagus
10Upon finding a malignant tumor in the medial portion of the breast of 40-year-old female, the surgeon began to search for the lymph nodes that would be the first ones reached by metastatic spread of cancer cells from this site. Which group(s) would have to be examined to determine whether metastasis had occurred?
- ACentral only
- BParasternal only
- CParasternal and apical
- DParasternal and lateral
- EParasternal and pectoral
11The structures that pass through quadrangular space are:
- Aa. axillaris
- Bn. axillaris
- Cn. subscapularis
- Da. circumflexa humeri ant.
- Ea. circumflexa humeri post.
12The anterior wall of fossa axillaris comprises:
- Am. pectoralis minor
- Bm. pectoralis major
- Cm. subclavius
- Dm. serratus ant.
- Em. deltoideus
13The medial cord of the brachial plexus
- Agives a branch to the pectoralis major muscle
- Bgives origin to the ulnar nerve
- Cforms part of the median nerve
- Dcontains fibres of the fifth cervical spinal nerve
- Elies behind the axillary artery in part of its course
14The axillary nerve
- Ahas no cutaneous branches
- Bsupplies the deltoid and teres minor muscles
- Cpasses backwards inferior to the teres major muscle
- Dcontains fibres from the fifth and sixth cervical spinal nerves
- Eis medial to the long head of the triceps muscle
15The pectoralis major muscle
- Ais attached the floor of the intertubercular sulcus (bicipital groove)
- Bis supplied by branches of the three cords of the brachial plexus
- Cis a lateral rotator of the upper arm at the glenohumeral joint
- Dis involved in flexion of the upper arm at the glenohumeral joint
- Eis used in climbing a rope by means of the upper limbs
16The approximate vertebral level of
- Athe jugular (suprasternal) notch is the second thoracic vertebra
- Bthe sternal angle is the fourth thoracic vertebra
- Cthe xiphoid process of the sternum is the ninth thoracic vertebra
- Dthe lowest level of the costal (subcostal) margin is the third lumbar vertebra
- Ethe transpyloric plane is the first lumbar vertebra
17The posterior cord of the brachial plexus
- Acontains fibres from only the seventh and eighth cervical spinal nerves
- Bgives off a branch which joins the median nerve
- Cis lateral to the axillary artery in the proximal part of its course
- Dgives off branches which supply the subscapularis, teres major and latissimus dorsi muscles
- Econtains fibres which supply the muscles on the back of the forearm
18The median nerve
- Aarises by two roots, one from the lateral cord and the other from the medial cord of the brachial plexus
- Bdoes not contain fibres originating in the first thoracic spinal nerve
- Clies medial to the axillary artery in the axilla
- Dsupplies all the flexor muscles in the front of the forearm
- Eis commonly the motor nerve to the abductor pollicis brevis muscle
19The upper trunk of the brachial plexus
- Acontains fibres which supply the teres minor muscle
- Bsupplies muscles which abduct the upper limb at the shoulder joint
- Ccontains fibres which supply the skin on the proximal medial aspect of the upper limb
- Dsupplies some of the muscles which flex the upper limb at the shoulder joint
- Esupplies muscles which produce medial rotation at the shoulder joint
20Foramen axillare laterale contains:
- AA. axillaris
- BN. axillaris
- CN. subscapularis
- DA. circumflexa humeri anterior
- EA. circumflexa humeri posterior
Information
- Description
- Quiz on Thorax MCQ's, created by Shireen Ahmed on 13/03/2016.
- Author
- Shireen Ahmed
- Language
- English
- Views
- 13
- History
- Created on 13 Mar 2016 · updated on 21 May 2016
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