P-DAT 6 Axilla And Brachial Plexus
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- 1.
Damage to the tagged structure will result in numbness and loss of sensation to the skin on the__________.
- A.
Lateral forearm
- B.
Medial arm
- C.
Medial forearm
- D.
Lateral arm
- E.
Posterior arm
Correct Answer
A. Lateral forearmExplanation
Damage to the tagged structure, which is located in the lateral forearm, will result in numbness and loss of sensation to the skin in that area.Rate this question:
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- 2.
The tagged structure is associated with referred pain during a heart attack. Identify the tagged structure:
- A.
Long thoracic nerve
- B.
Thoracodorsal nerve
- C.
Intercostobrachial nerve
- D.
Medial cutaneous nerve of the arm
- E.
Third intercostal nerve
Correct Answer
C. Intercostobrachial nerveExplanation
The intercostobrachial nerve is associated with referred pain during a heart attack.Rate this question:
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- 3.
Damage to the tagged structure will result in a sensory deficit of which of the following spinal nerve roots?
- A.
C5 – C6
- B.
C5 – C7
- C.
C6 – C8
- D.
C4 – C6
- E.
C7 –T1
Correct Answer
A. C5 – C6Explanation
Damage to the C5-C6 spinal nerve roots would result in a sensory deficit.Rate this question:
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- 4.
The tagged artery forms an anastomosis with which other artery?
- A.
Lateral thoracic
- B.
Superior thoracic
- C.
Circumflex scapular
- D.
Deep artery of the arm
- E.
Dorsal scapular
Correct Answer
E. Dorsal scapularExplanation
The tagged artery forms an anastomosis with the dorsal scapular artery.Rate this question:
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- 5.
A 20-year-old male was shot at close range during a robbery attempt. The bullet penetrated his axillary region, damaging the two tagged structures. The patient will have difficulty performing which of the following actions?
- A.
Medially rotating and flexing the arm
- B.
Laterally rotating and abducting the arm
- C.
Retracting and inferiorly rotating the scapula
- D.
Medially rotating and adducting the arm
- E.
Supinating and flexing the forearm
Correct Answer
D. Medially rotating and adducting the armExplanation
The axillary region is located in the armpit and contains important structures such as the axillary nerve and the posterior circumflex humeral artery. Damage to these structures can result in weakness or loss of function in the muscles that medially rotate and adduct the arm, such as the latissimus dorsi and teres major muscles. Therefore, the patient will have difficulty performing these actions.Rate this question:
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- 6.
An artery runs along the lateral edge of the tagged structure. Which of the following statements best characterizes that artery?
- A.
It supplies the latissimus dorsi muscle
- B.
It supplies the teres major muscle
- C.
It anastomoses with the superior thoracic artery
- D.
It gives off the circumflex scapular artery
- E.
It supplies the serratus anterior muscle
Correct Answer
E. It supplies the serratus anterior muscleExplanation
The correct answer is "It supplies the serratus anterior muscle." This means that the artery mentioned in the question provides blood supply to the serratus anterior muscle.Rate this question:
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- 7.
Which of the following structures is NOT in close contact with the tagged structure? (Use Q6 Tag)
- A.
Lateral cord of brachial plexus
- B.
Axillary artery
- C.
Posterior cord of brachial plexus
- D.
Medial pectoral nerve
- E.
Medial cord of brachial plexus
Correct Answer
C. Posterior cord of brachial plexusExplanation
The question asks which structure is NOT in close contact with the tagged structure. The tagged structure is not specified in the question, but based on the options given, it can be inferred that the tagged structure is the axillary artery. The axillary artery is in close contact with the lateral cord, posterior cord, medial pectoral nerve, and medial cord of the brachial plexus. Therefore, the structure that is NOT in close contact with the axillary artery is the posterior cord of the brachial plexus.Rate this question:
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.JPG "The tagged structure is associated with referred pain during a heart attack. Identify the tagged structure:")
.JPG "Damage to the tagged structure will result in a sensory deficit of which of the following spinal nerve roots?")
.JPG "The tagged artery forms an anastomosis with which other artery?")
.JPG "A 20-year-old male was shot at close range during a robbery attempt. The bullet penetrated his axillary region, damaging the two tagged structures. The patient will have difficulty performing which of the following actions?")
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Current Version
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Mar 21, 2023Quiz Edited by
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Oct 09, 2011Quiz Created by
Chachelly
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