usmle world 24

germ cell tumor

15-30 yo (peak of reproduction) ->ovarian tumor.

benign surface epithelium
cystadenoma

30-40 (premenopausal but past prime)->ovarian tumor

malignant surface epithelium
cystadenocarcinoma

postmenopausal women->ovarian tumor

queyrat erythroplasia

glans->squamous cell carcinoma precursor lesion

bowen disease leukoplakia

penis shaft->squamous cell carcinoma precursor lesion

bowenoid papulosis

reddish papules on skin of penis->squamous cell carcinoma precursor lesion

Diffuse large b cell lymphoma

bilateral Testicular Cancer in a male > 60yo

tamsulosin

terazosin or tamsulosin?
selective alpha 1a antagonist for BPH in a normotensive patient

terazosin

terazosin or tamsulosin?
alpha 1 antagonist for BPH in conjunction with hypertension

posterior periphery

Prostatic adenocarcinoma->what region of prostate?

10ng/dl

A PSA of what is worrisome of prostate cancer at any age?

1-4ng/dl

PSA increases with age. What is the normal range?

bound PSA

free PSA?bound PSA
Which does cancer tend to make?

architecture

Nuclear atypia or architecture?
Prostate adenocarcinoma gleason grade

lumbar spine

Where does prostate cancer spread?

Prostate adenocarcinoma

?->Osteoblastic metastasis->sclerosing bone lesion

lateral forearm

Sensory: c5-c7 musculocutaneous nerve

c5-t1 radial

Sensory posterior arm?

c5-t1 radial

Sensory posterior forearm?

c8-t1 ulnar

sensory medial forearm?

c5-7 musculocutaneous
arm flexors

nerve?->+sensory lateral forearm
?
motor?

external carotid
maxillary
pterion

1) artery->2)artery->middle meningeal artery=
3)under what part of the skull?

ACE inhibitor

ACE inhibitor or Thiazide?
LONG TERM control of Hypertension in a patient with CHF

myosin

actin or myosin?
Phosphorylated->Contraction

s2-4 pudendal
ischial spine

What nerve is blocked during labor?
What is the landmark?

l2-4 genitofemoral

sensory: scrotum

l2-4 genitofemoral

sensory: labia majora

l2-4 genitofemoral

sensory: femoral triangle skin

t12-l1 iliohypogastric

sensory: iliac crest skin

CNIX

sensory: tympanic membrane inner surface

CNIX

sensory: upper pharynx

CNIX

sensory: middle ear cavity

inferior salivatory
CNIX
Otic

Parasympathetic Nucleus->nerve->ganglion->
parotid secretion.
Nucleus?
Nerve?
Ganglion?

superior salivatory
CNVII
Submandibular

Parasympathetic Nucleus->nerve->ganglion->
submandibular gland secretion.
Nucleus?
Nerve?
Ganglion?

superior salivatory
CNVII
Submandibular

Parasympathetic nucleus->nerve->ganglion->
sublingual gland secretion.
Nucleus?
Nerve?
Ganglion?

CNXII

Motor: tongue protrusion

CN IV

diplopia when walking down stairs or reading newspaper.
Where is the lesion?

K+ sparing diuretic

Amiloride

thiazide diuretic

indapamide

ergonovine
prinzmetal angina

drug?+5HT2=Gq
?................?
+alpha1?corovary artery vasoconstriction=?

atrial natriuretic peptide

protein?localized cardiac atrium amyloidosis

prolactin

protein?localized pituitary amylodosis

beta amyloid protein

protein?localized cerebral vessel amylodosis

amylin islet amyloid protein

protein?localized pancreas islet amyloidosis

calcitonin

protein?localized thyroid amyloidosis

Fenoldopam
D1 Gs

Drug?
?
receptor??XSevere Emergency Hypertension
?
Increased renal perfusion via dilation

CD43
X linked Wiskott Aldrich

T cell/Platelet
?
1)?=actin filament?microvescicle
?
X 2)?

mannose 6 phosphate
LYST
chediak higashi

Phagocyte?Golgi?lysosome protein-1)tag?
?2)shuttle protein?lysosome?bacteria lysis
.......X
.......?
3) disease?

ataxia telangiectasia

B cell?cell cycle kinase?+cell cycle
................X
................?
...............?

HSP

Hemolytic Uremic Syndrome (HUS) or Henoch Schonlein Purpura (HSP)?
joint pain

clindamycin

metronidazole or clindamycin?
Covers anaerobes AND S. pneumoniae

trazodone

antidepressant->priapism

TCA

amoxapine

t(11;14) mantle cell lymphoma

CLL/SLL

c myc burkitt lymphoma

Bcl5 Germinal Center B cell DLBCL

t(14;18) follicular lymphoma

BCL10 Marginal Zone lymphoma

CLL/SLL

BCR signal Activated B cell DLBCL

multiple myeloma

glucuronosyl transferase
OATP1b1
fibrate

superficial inguinal
calf
popliteal

Lymph drainage: skin inferior to umbilicus including anus inferior to dentate? What area is the exception? Where does it drain?

abdominal aorta nodes

Lymph drainage: testicles

internal iliac
external iliac
sacral

Major site of prostate lymphatic drainage?
Minor site?

external iliac

Lymph drainage: superior portion of bladder

internal iliac

Lymph drainage: inferior portion of bladder

inferior mesenteric

Lymph drainage: sigmoid colon

ulnar

ulnar or median nerve?
hypothenar

HDL
+LCAT cholesterol esterification

ApoA-I
Particle:
Function:

chylomicron
enterocyte chylomicron synthesis

ApoB-48
Particle:
Function:

LDL
Extrahepatic LDL uptake

ApoB-100
Particle:
Function:

Chylomicron
HDL
LPL activation

ApoC-II
Particle:
Function:

chylomicron/VLDL
hepatic particle uptake

ApoE-3&4
Particle:
Function:

body touch
VPL

??medial lemniscus?thalamic nucleus?

VPM

Face Pain/Temp; Face touch?CNV?thalamic nucleus?

vision

Lateral geniculate thalamus

hearing

medial geniculate thalamus

VPM
insula
Parietal operculum

Taste?thalamic nuclei??cortex area?

chorda tympani CNVII

Nerve: Anterior 2/3 tongue Gustatory

CNIX

Nerve: Posterior 1/3 tongue gustatory

CNX

Nerve: Posterior area tongue root

CNV3

Nerve: P+T and Touch anterior 2/3 tongue

CNIX

Nerve: P+T and touch posterior 1/3 tongue

CNX

Nerve: P+T and touch posterior area tongue root

palatoglossus
CNX

What is the one tongue muscle not innervated by CNIX? What nerve?

phrenic nerve

Nerve: sensory mediastinal+diaphragmatic pleura

posterior cord c6-8 thoracodorsal

Nerve: latissimus dorsi

C5 dorsal scapular

Nerve: rhomboid major

c6-7 subscapular

Nerve: teres major

c5-7 long thoracic

Nerve: serratus anterior

c5-t1 recurrent branch median
c8-t1 deep branch ulnar

Nerve damage->X finger abduction

c8-t1 deep branch ulnar

nerve damage->X thumb adduction

L5-S2 inferior gluteal
gluteus maximus

X nerve -> X muscle ->
X climbing stairs/rising from seated position

L4-S1 superior gluteal
gluteus medius/minimus

X nerve->X muscle->
patient leans toward unaffected side in gait and standing on foot of affected side.

diazoxide

drug
?
+k+ channel=hyperpolarize
......................?
......................X Ca2+ channel=VasoDilation

hydralazine

drug?X IP3?X SR Ca2+=vasoD
?
+Ca2+ activated K+ channel
?
hyperpolarization?X Ca2+ channel=VasoD

marijuana

Illicit drug use->conjunctival injection (red eye)

PCP

Illicit drug use->nystagmus+ataxia

ketamine

Illicit drug use->hypersalivation

gamma hydroxybutyrate

psychadelic drug->X memory storage

5HT2 Gq

Illicit drug use->receptor?->hallucination