Practica de casos clínicos

Question 1 of 8

1

An otherwise healthy infant boy born via vagi- nal delivery has an abnormal appearance of his right upper limb. His arm hangs by his side, pronated and medially rotated. Which of the following muscles is still functioning in this patient?

Select one of the following:

a. Biceps
b. Deltoid
c. Infraspinatus
d. Supraspinatus
E. Triceps

Explanation

Question 2 of 8

1

A 45-year-old computer programmer notices atrophy and weakness of his thumb. Laboratory tests reveal an increased erythrocyte sedimenta- tion rate and leukocyte count. Sensation to which of the following cutaneous areas is most likely to be decreased?

Select one of the following:

a. Dorsal aspect of fifth digit
b. Dorsal aspect of fourth digit
c. Palmar aspect of second digit
d. Volar aspect of lateral wrist
E. Volar aspect of medial wrist

Explanation

Question 3 of 8

1

A 21-year-old man presents to the emergency department following an injury to his shoulder that he sustained while playing football. His shoulder appears flattened, and he is not able to abduct his arm. He is found to have a frac- ture at the surgical neck of his humerus. The muscle that is most likely injured in this pa- tient receives innervation from which of the following nerve roots?

Select one of the following:

a. C3-5
b. C5-6
c. C6-7
d. C7-8
E. C8-T1

Explanation

Question 4 of 8

1

Scapular winging:

Select one of the following:

A. Indicates injury at the division level
B.Indicates injury at root level
C.Indicates injury at cord level
D. Indicates injury at trunk level

Explanation

Question 5 of 8

1

In a freak golfing accident, Jim damaged a nerve in his arm and now has trouble extending his forearm, wrist, and fingers. Which nerve did he damage?

Select one of the following:

Radial
Ulnar
Axilar
Mediano

Explanation

Question 6 of 8

1

Which nerve is most likely to be injured by fractures or dislocations of the elbow (or by an extra hard hit to the "funny bone")?

Select one of the following:

Ulnar
Radial
Medial
Axillar

Explanation

Question 7 of 8

1

Which nerve is most likely to be injured, looking this hand (image) making a fist?

Select one of the following:

Ulnar
Median
Radial
Rick and Morty

Explanation

Question 8 of 8

1

Paciente llega con usted, debido a que tiene dificultades de extender la muñeca. Refiere que el día anterior estuvo de fiesta y tomo 1000 chelas y quedo Golpeado. ¿en qué lado se encuentra sus fibras nerviosas, respecto a la arteria axilar?

Select one of the following:

Lateral
Medial
Posterior
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	Created by Jose Rivera about 7 years ago

Plexo braquial

Practica de casos clínicos

Practica de casos clínicos

Question 1 of 8

An otherwise healthy infant boy born via vagi- nal delivery has an abnormal appearance of his right upper limb. His arm hangs by his side, pronated and medially rotated. Which of the following muscles is still functioning in this patient?

Select one of the following:

Explanation

Question 2 of 8

A 45-year-old computer programmer notices atrophy and weakness of his thumb. Laboratory tests reveal an increased erythrocyte sedimenta- tion rate and leukocyte count. Sensation to which of the following cutaneous areas is most likely to be decreased?

Select one of the following:

Explanation

Question 3 of 8

Select one of the following:

Explanation

Question 4 of 8

Scapular winging:

Select one of the following:

Explanation

Question 5 of 8

In a freak golfing accident, Jim damaged a nerve in his arm and now has trouble extending his forearm, wrist, and fingers. Which nerve did he damage?

Select one of the following:

Explanation

Question 6 of 8

Which nerve is most likely to be injured by fractures or dislocations of the elbow (or by an extra hard hit to the "funny bone")?

Select one of the following:

Explanation

Question 7 of 8

Which nerve is most likely to be injured, looking this hand (image) making a fist?

Select one of the following:

Explanation

Question 8 of 8

Paciente llega con usted, debido a que tiene dificultades de extender la muñeca. Refiere que el día anterior estuvo de fiesta y tomo 1000 chelas y quedo Golpeado. ¿en qué lado se encuentra sus fibras nerviosas, respecto a la arteria axilar?

Select one of the following:

Explanation