Neck Angiology

Question 1

What does the External Carotid A. terminate as? Where?

Answer 1

Maxillary A. and Superficial Temporal A. in the Parotid gland

Question 2

Excessive pressure to the Carotid sinus can result in what syndrome? What sx?

Answer 2

Carotid hypersensitivity syndrome

Slow HR, drop in BP, fainting

Question 3

What is the difference between carotid bodies and carotid sinus?

Answer 3

Carotid bodies have chemoreceptors to monitor O2 content

Carotid sinus has baroreceptors to monitor blood pressure

Question 4

Where are carotid bodies located?

Answer 4

Bifurcation of External and Internal carotid As.

Question 5

What region of the subclavian A. is the Thyrocervical trunk located?

Answer 5

Region 1

Question 6

What region of the subclavian A. is the Costocervical trunk located?

Answer 6

Region 2

Question 7

What region of the subclavian A. is the dorsal scapular A. located?

Answer 7

Region 3

Question 8

What 2 veins come together to form the Brachiocephalic V.?

Answer 8

Subclavian V and Internal Jugular V.

Question 9

What 2 veins come together to form the External Jugular V?

Answer 9

Retromandibular V. and Posterior Auricular V.

Question 10

What vein is the common point of entry for central line placement?

Answer 10

Subclavian V.

Question 11

Which side is preferred for Internal Jugular V. puncture? Why?

Answer 11

R side

Larger and straighter

Question 12

What is a central line used to measure?

Answer 12

Central venous pressure

Question 13

External Jugular venous pressure may be used to diagnose what conditions?

Answer 13

Heart failure

SVC obstruction

Enlarged supraclavicular LNs

Increased intrathoracic pressure

Question 14

What tonsils are removed during a tonsillectomy?

Answer 14

Palatine and pharyngeal

Question 15

What vessels are at risk of injury during a tonsillectomy?

Answer 15

Tonsilar A.

Glossopharyngeal N.

Internal Carotid A.

Question 16

What is adenoiditis? What other illness can this lead to?

Answer 16

Inflammation of pharyngeal tonsils, can lead to otitis media

Question 17

When would a lingual tonsillectomy be performed?

Answer 17

When the lingual tonsil is inflamed and blocks the respiratory or alimentary tracts

Question 18

Where do tonsilloliths form?

Answer 18

Crypts of the Palatine tonsils

Question 19

Overally, how much of the body does the thoracic duct drain lymph from before it enters the left subclavian V.?

Answer 19

75% (L arm and bilateral LEs)

Question 20

Where does the R lymphatic duct drain into?

Answer 20

Junction between internal jugular V. and R subclcavian V.