Primer 3 Flashcards Preview

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Flashcards in Primer 3 Deck (18):
1

Which Gram positive organisms are associated with the following:
1. infant with poor muscle tone
2. diarrhea after ABX use
3. respiratory distress in postal worker
4. otitis media in kiddos
5. cellulitis

1. clostridium botulinum
2. clostridium difficile
3. bacillus anthracus (sp?)
4. strep pneumo (but commonly viral!)
5. staph aureus, strep pyo (GAS)

2

What is the classic presenting symptom in Lyme Disease?

Erythema Chronica Migrans:
expanding bull's eye rash with central clearing

3

Describe the function of MQs in the spleen:

clear bacteria and dysfunctional cells

4

Long Thoracic N:
Innervates? Action of mm?

"SALT"
Serrates Anterior: holds the scapula to the thorax

5

Suprascapular N:
Innervates? Action of mm?

Infraspinatus: external rotation
Supraspinatus: abduction of forearm

6

Lateral Pectoral Nerve:
Innervates? Action of mm?

Pectoralis major: flexion, adduction, medial rotation

7

Upper Subscapular N:
Innervates ? Action of mm?

Subscapularis: Internal rotation

8

Thoracodorsal N:
Innervates? Action of mm?

Latissimus Dorsi:
extension, adduction, transverse extension
flexion from extended position, internal rotation

9

Lower Subscapular Nerve:
Innervates ? Action of mm?

Teres Major: medial rotation, adduction

10

Musculocutaneous Nerve:
Innervates ? Action of mm?

1. Biceps
2. coracobrachialis
3. brachialis

Major flexors of the arm

11

Axillary N:
Innervates ? Action of mm?

1. Deltoid: abduction
2. Teres Minor: Lateral rotation of humerus

12

Radial N:
Innervates ? Action of mm?

1. Triceps
2. Extensors

Extend arm and forearm

13

Median N:
Innervates ? Action of mm?

1. Pronators
2. Thenar muscles

Pronate the arm

14

Ulnar N:
Innervates ? Action of mm?

1. Interosseous mm.
2. Hypothenar mm.

Flex and adduct the hand

15

Describe Injury to the C5-C6 Nerve roots; how does this most commonly occur?

Erb Duchenne Palsy (Waiter's tip):
Complete or partial paralysis of upper arm due to bruising/ stretching of the following nn.
1. suprascapular
2. musculocutaneous
3. axillary

CAN NOT: Abduct, laterally rotate, flex, or supinate arm

#1 Cause = dystocia during delivery of LARGE BABY
Other causes: neonatal clavicle fracture

16

Describe Injury to the C8-T1 Nerve roots; how does this commonly occur? Clinical presentation? Common Causes?

Klumpke's Palsy (Thoracic Outlet Syndrome):
1. Atrophy thenar + hypothenar eminences, interosseous mm. w/ claw hand
2. Sensory loss @ medial forearm and medal side of hand
3. loss of radial pulse with head moving due to compression of subclavian a.

#1 Cause: cervical rib compression
Other causes: hypertrophy of anterior scalene m.

17

Boarders and Contents of the posterior triangle of the neck

Boarders: Trapezius, clavicle, SCM
1. Brachial plexus
2. Subclavian v.
3. EJV
4. Inferior omohyoid

18

Boarders and contents of the anterior triangle of the neck

Boarders: Trachea (midline), SCM, Mandible
1. Sternohyoid
2. Sternothyroid
3. Superior omohyoid
4. Posterior belly of digastric m.