missed questions 1 Flashcards
what nerve traverses the cribriform plate?
I
what nerves and vessels traverse the optic canal
II, ophthalmic a, central retinal v.
what nerves and vessels traverse the SOF?
III, IV, V1, VI
ophthalmic v.
what nerve traverses the foramen rotundum?
V2
what nerve traverses the foramen ovale?
V3
what vessels traverse the foramen spinosum?
middle meningeal a. & v.
what nerves traverse the internal acoustic meatus
VII, VIII
what nerves and vessel traverse the jugular foramen?
IX, X, XI
jugular v.
what nerve traverses the hypoglossal canal?
XII
what nerve and vessel traverse the foramen magnum?
XI
brainstem
vertebral a.
what is the consequence of a lesion to the upper trunk of the brachial plexus? What nerves are affected?
Erb palsy (waiter’s tip)
Musculocutaneous, axiallary, radial, median
what is the consequence of a lesion to the lower trunk of the brachial plexus? What nerves are affected?
Claw hand (Klumpke palsy, all fingers flexed)
Axillary, radial, median, ulnar
What is the consequence of a lesion to the posterior cord of the brachial plexus? What nerves are affected?
Wrist drop
axillary, radial
What is the consequence of a lesion to the long thoracic nerve? What are the nerve roots?
Winged scapula
C5, 6, 7
What is the consequence of a lesion to the axillary nerve?
Deltoid muscle impairment
What is the consequence of a lesion to the radial nerve?
Wrist drop (“Saturday night palsy”)
What is the consequence of a lesion to the musculocutaneous nerve?
Elbow flexion impairment, loss of sensation on lateral forearm
What is the consequence of a lesion to the median nerve?
Pope’s blessing (inability to make a fist with thumb, second and third digit)
What is the consequence of a lesion to the ulnar nerve?
Ulnar claw (inability to extend the fourth and fifth digits)
What neoplasms can cause secondary dermatomyositis?
COLL = colorectal, ovarian, Non Hodgkin lymphoma, lung
What is the most common pineal mass and in what demographic is this most prevalent?
germinoma, young boys
What are examples of merocrine glands?
salivary, eccrine sweat glands, apocrine sweat glands
What are examples of apocrine glands?
mammary glands
what are examples of holocrine glands?
Sebaceous glands, meibomian glands