MB 4

Question 1

cadherins

Answer 1

ca-dependent adhesion molecules that bind epithelial cells together within tissues; form adherens junction and desmosomes

Question 2

hemidesmosomes

Answer 2

cell adhesion to the basement membrane, rely on integrins

Question 3

pox virus

Answer 3

molluscum contagiosum (umbilicated centers); direct contact and fomite transmission; eosinophilic cytoplasmic inclusions made of virus particles

Question 4

verruca vulgaris (common warts) on histo

Answer 4

perinuclear halos

Question 5

budding encapsulated yeast

Answer 5

cryptococcus neoformans

Question 6

most commonly injured nerve in the distal leg

Answer 6

common peroneal nerve; courses superficially and laterally around the head of the fibula and is often injured by blunt trauma to the lateral knee

Question 7

sensory innervation to the medial leg and foot

Answer 7

saphenous nerve

Question 8

anterior and posterior dislocations of the knee joint

Answer 8

concern for popliteal artery

Question 9

risk factors for post-partum endometriosis

Answer 9

c-section, chorioamnionitis, GBS colonization, intrauterine instrumentation, preterm delivery, prolonged labor, prolonged rupture of membranes, retained products of conception

Question 10

red/blue koplik spots on the buccal mucosa

Answer 10

measles

Question 11

rash that starts on the head and face and spreads downward to involved the trunk and lower extremities

Answer 11

measles

Question 12

sildenafil

Answer 12

phosphodiesterase-5-inhibitor; increases overall cGMP mediating relaxation of SM that surrounds corpora cavernosa (erectile tissue)

Question 13

engorgement of this structures maintains patency of the urethra during ejaculation

Answer 13

corpus spongiosum

Question 14

craniopharyngioma

Answer 14

slow-growing suprasellar tumor arising from remnants of Rathke’s puch

Question 15

causes of monocular blindness

Answer 15

lesion affecting only one optic nerve or retina; temporal arteritis or retinal emboli

Question 16

left homonymous hemianopia

Answer 16

lesions of the right optic tract

Question 17

left lower quadrantanopia

Answer 17

contralateral dorsal optic radiation

Question 18

serratus anterior

Answer 18

originate on the first 8 ribes and inserts on the medial border of the scapula; allows complete abduction of the arm over the head; innervated by long thoracic nerve; paralysis = inability to raise the arm over the head and winging of the scapula

Question 19

deltoid

Answer 19

abducts the arm, innervated by axillary n

Question 20

trapezius

Answer 20

elevates and retracts scapula, innervated by spinal accessory n.

Question 21

path of long thoracic nerve

Answer 21

lateral chest wall

Question 22

acute stress disorder

Answer 22

less than a month; intrusive memories, nightmares, and sleep difficulty, poor concentration, exaggerated startle, avoidance of external reminders, negative mood

Question 23

how is PTSD distinguished from ASD?

Answer 23

duration! PTSD >1 mo