Practice Q's Flashcards by Emily Cross

which muscle is responsible for preventing winging of the scapula

serratus anterior

How well did you know this?

Not at all

Perfectly

winging of the scapula may be the result of injury to which nerve

long thoracic

How well did you know this?

Not at all

Perfectly

which branch does not come off the third part of the axillary artery?

a. subscapular artery
b. post. circumflex humeral
c. ant. circumflex humeral
d. superior thoracic artery

d. superior thoracic artery

How well did you know this?

Not at all

Perfectly

the circumflex scapular artery is a branch off of what?

subscapular artery

How well did you know this?

Not at all

Perfectly

which nerve supplies the anterior brachium

musculotaneous

How well did you know this?

Not at all

Perfectly

which muscle is single-joint, thus not subject to insufficiency?

a. long head biceps
b. short head biceps
c. long head triceps
d. flexor digitorum superficialis
e. brachialis

e. brachialis

How well did you know this?

Not at all

Perfectly

which of the following muscles attaches to the coracoid process?

a. short head biceps
b. lateral triceps
c. pec M
d. long head biceps
e. subclavius

a. short head of biceps

How well did you know this?

Not at all

Perfectly

structures that are both medial to the biceps tendon and deep to the bicipital aponeurosis

brachial artery

median nerve

How well did you know this?

Not at all

Perfectly

the posterior ulnar recurrent artery forms an anastomoses with ?

superior ulnar collateral

How well did you know this?

Not at all

Perfectly

what is the medial boundary of the cubital fossa?

pronator teres

How well did you know this?

Not at all

Perfectly

what is the lateral boundary of the cubital fossa?

brachioradialis

How well did you know this?

Not at all

Perfectly

what is the superior boundary of the cubital fossa?

superior base

imaginary line between the epicondyles

How well did you know this?

Not at all

Perfectly

what are the contents of the cubital fossa?

biceps tendon
brachial artery
median nerve

How well did you know this?

Not at all

Perfectly

paresthesia over the shldr and proximal arm, weakness of arm abduction may be indicative of injury to which nerve?

axillary

How well did you know this?

Not at all

Perfectly

nerve supply to the latissimus dorsi

thoracodorsal nerve

How well did you know this?

Not at all

Perfectly

name the rotator cuff muscles

supraspinatus
infraspinatus
teres minor
subscapularis

How well did you know this?

Not at all

Perfectly

insertion site of the supraspinatus muscle

superior facet of greater tubercle

How well did you know this?

Not at all

Perfectly

insertion site of the infraspinatus muscle

middle facet of greater tubercle

How well did you know this?

Not at all

Perfectly

insertion site of the teres minor

inferior facet of greater tubercle

How well did you know this?

Not at all

Perfectly

insertion site of the subscapularis

less tubercle

How well did you know this?

Not at all

Perfectly

which muscle is most important in rotating the greater tubercle from under the acromion during full arm elevation?

infraspinatus

How well did you know this?

Not at all

Perfectly

which muscle is necessary for the first few degrees of arm elevation

supraspinatus

How well did you know this?

Not at all

Perfectly

which nerve enters the forearm by passing between the two heads of the flexor carpi ulnaris?

ulnar nerve

How well did you know this?

Not at all

Perfectly

which nerve penetrates the coracobrachialis

musculotaneous nerve

How well did you know this?

Not at all

Perfectly

``` which of the following muscles is not innervated by the median nerve? flexor carpi ulnaris palmaris longus pronator teres flexor carpi radialis flexor digitorum profundus ```

flexor carpi ulnaris

insertion of the extensor carpi radialis brevis

base of the 3rd metacarpal

``` which of the following muscles does not originate from the humerus? palmaris longus flexor digitorum profundus pronator teres flexor carpi radialis flexor carpi ulnaris ```

flexor digitorum profundus

what innervate the flexor digitorum profundus muscle

ulnar and median nerve

which nerves travels anterior arm, posterior medial epicondyle and down medial forearm

ulnar nerve

on the distal radius which tendon passes thru the most lateral tunnels

extensor carpi radialis longus

the anterior interosseous nerve is a branch of which nerve?

median nerve

common interosseous artery is a branch off of which artery?

ulnar artery

a cubitus varus deformity results in a _____ in the normal carrying angle (?) and may be caused by a stretching of the _____ collateral ligament.

decrease (to 0) normal = 5 degrees lateral collateral ligament

which nerves passes around the medial epicondyle of the humerus?

ulnar nerve

which nerve wraps around the neck of the radius?

radial nerve

T/F: the radial nerve travels medial to the radial artery in the forearm

false opposite

T/F: the ulnar nerve accompanies the ulnar artery in the forearm

true

T/F: the anterior ulnar recurrent artery anastomoses with the superior ulnar collateral

false inferior ulnar collateral

T/F: the recurrent radial artery anastomoses with the ascending deep brachial artery

false collateral radial artery which is a continuation of the descending deep brachial artery

the radial artery in the anatomical snuff box may be injured when which bone is fractured?

scaphoid

list the boundaries of the anatomical snuff box

ext. pollicus brevis ext. pollicus longus abd. pollicus longus

the skin over the hypothenar eminence is supplied by which nerve?

ulnar nerve

Common interosseous artery is a branch off which artery?

Ulnar artery

A cubitus varus deformity results in a ________ in the normal carrying angle and may be caused by a stretching of the _____ collateral ligament.

Decrease | Lateral collateral lig.

Which nerves passes around the medial epicondyle of the humerus?

Ulnar nerve

Which nerve wraps around the neck of the radius?

Radial nerve

The ulnar nerve accompanies the ______ artery in the forearm.

Ulnar art.

The radial nerve travels ______ to the radial artery in the forearm.

Lateral

The radial artery in the anatomical snuff box may be injured when which of the following bones is fractured?

Scaphoid

``` The boundaries of the anatomical snuff box include all of the following except? Abductor pol. Brevis Ext. pol. Longus Ext. pol. Brevis Abductor pol. Longus ```

Abductor pollicis brevis

The skin over the hypothenar eminence is supplied by which nerve?

Ulnar nerve | 1/2 loaf = median

The skin on the lateral dorsal half of the hand, proximal to the digits, is supplied by which of the following nerves?

Superficial radial

Identify the nerve that provides cutaneous innervation to the skin on the posterior surface of the upper extremity ?

Radial nerve

What structures pass through Guyon’s Canal?

Ulnar nerve and artery

What nerve(s) innervate(s) the adductor pollicis muscle?

Ulnar nerve

What nerve(s) innervate the dorsal interossei muscles?

Ulnar nerve

Laceration of the recurrent branch of the median nerve will paralyze which of the following muscles of the thumb?

Flexor pollicis brevis

Following injury to a nerve at the wrist, the thumb is laterally rotated and adducted. The hand has a flattened appearance and is ape-like. Which nerves is damaged?

Median nerve

``` Which is true regarding the dorsal interossei muscles All innervated by ulnar n. Adductors of digits 2-4 Unipennate The 3rd finger is not supplied ```

All innervated by ulnar nerve

Inability to oppose the thumb and little finger can result from damage to which nerve?

Median nerve

T/F 1. All lumbricals are innervated by median nerve 2. All lumbricals are extensors of the MP and IP joints of digits 2-5 3. Insert on ulnar side of digit 4. Each arise from radial side of deep flexor tendon

F F F T

Which nerves innervate the lumbricals?

Ulnar and median nerves

What is the main pathway of lymphatic drainage for the breast?

Most lymph from the breast drains to pectoral and then axillary lymph nodes

What is the name of the nerve that is piercing pectoralis minor?

Medial pectoral nerve

A patient has a knife in his left, anterior shoulder, just above the armpit. What artery is likely lacerated?

Axillary artery

If the axillary artery is severed at it’s proximal large tributary, the subscapular artery. Collateral blood supply to the rest of the upper limb is possible via what anastomosis?

Scapular anastomosis Cubital and brachial ones are below the laceration

The tubercle of a typical rib articulates w/ the _________ of the vertebra of the same number.

Transverse process

Which structure would be penetrated first by a needle passing thru the anterior chest wall just left of the sternum?

Internal intercostal muscle | External intercostals don’t reach the sternum, internals go from sternum to almost spinal column

``` Mammary glands would not receive blood from which artery? Internal thoracic Nearby intercostal arteries Thoracoacromial artery Lateral thoracic artery ```

Thoracoacromial artery | Internal thoracic = mammary art.

What inserts onto the tubercle of the first rib between the shallow groove for the subclavian artery and vein?

Anterior scalene

Which heart sound is best heard in the second intercostal space along the right side of the sternum?

Aortic valve sound

Which group of the true intrinsic back muscles includes the splenius capitis and splenius cervicus?

Spinotransversalis

Which of the laminae of the thoracolumbar fascia, attaches to the lumbar spinous process?

Posterior laminae

``` Which of the following muscle groups is part of the intrinsic musculature of the back? Traps Erector spinae Lats Serratus post. ```

Erector spinae group | Traps and lats are superficial (Serratus post. Is intermediate)

``` Which of the following is lateral to the others? Longissimus Interspinales Spinalis Transversospinalis Iliocostalis ```

Iliocostalis group