Most Commons Flashcards

1
Q

Most Common Abused opioid by medical professionals

A

Meperidine and fentanyl

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2
Q

Most Common Accidental suffocation

A

Overlying

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3
Q

Most Common Adolescent hip disorder

A

Slipped capital femoral epiphysis

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4
Q

Most Common Adrenal tumor in adults

A

Pheochromocytoma

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5
Q

Most Common Adrenal tumor in children

A

Neuroblastoma

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6
Q

Most Common Adverse effect of ASA

A

Gastric upset

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7
Q

Most Common Adverse effect of diuretics

A

Hypokalemia (except K-sparing diuretics)

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8
Q

Most Common Affected segment in radiation enteritis

A

Terminal ileum

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9
Q

Most Common Affected type of collagen in Ehlers-Danlos Syndrome

A

Type III

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10
Q

Most Common Age group with endometriosis

A

3rd and 4th decade

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11
Q

Most Common Aneurysm site, cerebral

A

Anterior communicating artery (PComm is 2nd)

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12
Q

Most Common Ankle injury

A

Inversion

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13
Q

Most Common Anomaly of splenic embryology

A

Accessory spleen

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14
Q

Most Common Ascending aorta aneurysm complication

A

Aortic insufficiency

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15
Q

Most Common ASD

A

Ostium secundum (80%)

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16
Q

Most Common Benign tumor of the lung

A

Hamartoma

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17
Q

Most Common Benign tumor of the rib

A

Osteochondroma

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18
Q

Most Common Biliary-enteric fistula

A

Gallbladder-duodenum

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19
Q

Most Common Bone tumor of the hand

A

Endochondroma

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20
Q

Most Common Carcinoid tumor (GI)

A

Appendix (2nd: Ileum)

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21
Q

Most Common Cardiac tumor

A

Metastasis

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22
Q

Most Common Cardiomyopathy

A

Dilated cardiomyopathy (systolic dysfunction)

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23
Q

Most Common Cause of acute cholecystitis

A

Cystic duct obstruction

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24
Q

Most Common Cause of acute mastitis

A

Staph aureus

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25
Q

Most Common Cause of ARF

A

ATN (death most common in initial oliguric phase)

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26
Q

Most Common Cause of ARF in children

A

HUS

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27
Q

Most Common Cause of ARF in surgical patients

A

Hypovolemia

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28
Q

Most Common Cause of aneuploidy

A

Meiotic nondisjunction

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29
Q

Most Common Cause of anuria on 1st day of life [male]

A

Posterior urethral valves

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30
Q

Most Common Cause of athlete’s foot

A

Trichophyton (Tinea pedis)

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31
Q

Most Common Cause of bloody nipple discharge

A

Intraductal papilloma

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32
Q

Most Common Cause of bowel incarceration

A

Femoral hernia

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33
Q

Most Common Cause of bowel obstruction in neonates

A

Hirschsprung disease

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34
Q

Most Common Cause of burns in civilian setting

A

Scalds

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35
Q

Most Common Cause of CAH

A

21-hydroxylase deficiency (90%)

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36
Q

Most Common Cause of chronic constrictive pericarditis

A

Viral infection

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37
Q

Most Common Cause of congenital chronic hemolytic anemia

A

Pyruvate kinase deficiency

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38
Q

Most Common Cause of CPC of the liver

A

R-sided heart failure

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39
Q

Most Common Cause of CPC of the lung

A

L-sided heart failure / Mitral stenosis

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40
Q

Most Common Cause of Cushing’s syndrome

A

Iatrogenic (steroid treatments)

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41
Q

Most Common Cause of epistaxis

A

Nosepicking

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42
Q

Most Common Cause of erythema multiforme

A

Infectious (HSV, then Mycoplasma pneumoniae)

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43
Q

Most Common Cause of esophageal rupture

A

Iatrogenic (post-endoscopy)

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44
Q

Most Common Cause of [hereditary] mental retardation

A

Down syndrome

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45
Q

Most Common Cause of hereditary thrombophilia

A

Factor V Leiden (resistant to activated protein C); second most common is Prothrombin 20210A tranistion

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46
Q

Most Common Cause of hyperprolactinemia

A

Prolactinoma

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47
Q

Most Common Cause of hypertension in young men

A

Excessive ethanol

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48
Q

Most Common Cause of hypertension in young women

A

OCP use

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49
Q

Most Common Cause of hypoparathyroidism

A

Surgical

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50
Q

Most Common Cause of infectious mastitis

A

Staph aureus

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51
Q

Most Common Cause of infertility, female

A

Endometriosis

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52
Q

Most Common Cause of lower GI bleed in pts >40

A

Diverticulosis

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53
Q

Most Common Cause of mycotic aneurysm

A

Treponema pallidum

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54
Q

Most Common Cause of non-gonococcal urethritis

A

Chlamydia trachomatis

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55
Q

Most Common Cause of osteomyelitis

A

Staphylococcus (in HbS patients, Salmonella, in IV drug users, Pseudomonas)

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56
Q

Most Common Cause of otitis externa

A

Pseudomonas aeruginosa

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57
Q

Most Common Cause of otitis media

A

Strep pneumo, then H. influenzae, Moraxella sp.

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58
Q

Most Common Cause of nephrotic syndrome (adults)

A

Membranous GN

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59
Q

Most Common Cause of nephrotic syndrome (children)

A

Minimal change disease

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60
Q

Most Common Cause of preventable blindness worldwide

A

Chlamydia trachomatis (trachoma)

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61
Q

Most Common Cause of persistent jaundice in infancy

A

Biliary atresia

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62
Q

Most Common Cause of poor wound healing

A

Tissue hypoxia

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63
Q

Most Common Cause of primary amenorrhea

A

Turner syndrome

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64
Q

Most Common Cause of prostatitis in young adult males

A

Chlamydia trachomatis

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65
Q

Most Common Cause of pneumaturia

A

Bladder-GI fistula; usually in diverticulitis

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66
Q

Most Common Cause of postpartum hemorrhage

A

Uterine atony

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67
Q

Most Common Cause of pulmonary hypoplasia

A

Congenital diaphragmatic hernia (more commonly L)

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68
Q

Most Common Cause of pyogenic osteomyelitis in sickle cell patients

A

Salmonella

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69
Q

Most Common Cause of retrograde menstruation (anomaly)

A

Imperforate hymen

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70
Q

Most Common Cause of SAH

A

Trauma (1st Aid CK) / Berry aneurysm

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71
Q

Most Common Cause of secondary amenorrhea

A

Pregnancy

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72
Q

Most Common Cause of septic arthritis in children <2 yrs

A

H. influenza

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73
Q

Most Common Cause of skin graft loss

A

Hematoma/seroma formation

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74
Q

Most Common Cause of testicular pain over 12 years old

A

Testicular torsion

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75
Q

Most Common Cause of testicular pain 2-11 yrs

A

Torsion of appendix testes

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76
Q

Most Common Cause of vulvar pruritus

A

Candidal vulvovaginitis

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77
Q

Most Common Cerebral hemorrhage [syndrome]

A

Putaminal hemorrhage

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78
Q

Most Common Cervical disc herniation level

A

C6-C7 (wrist drop)

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79
Q

Most Common Childhood supratentorial tumor

A

Craniopharyngioma

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80
Q

Most Common Chromosomal disorder

A

Down syndrome

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81
Q

Most Common Clonality marker

A

HUMARA

82
Q

Most Common Colon CA

A

AdenoCA

83
Q

Most Common Colon polyp

A

Benign hyperplastic hamartoma (90%)

84
Q

Most Common Compound fracture site

A

Tibia (middle-lower junction)

85
Q

Most Common Congenital GI tract anomaly

A

Meckel’s diverticulum

86
Q

Most Common Congenital pancytopenia

A

Fanconi anemia

87
Q

Most Common Cystic lesion of mediastinum

A

Bronchogenic cyst

88
Q

Most Common Diaphragmatic hernia

A

Sliding hiatal hernia

89
Q

Most Common Direction of nucleus pulposus herniation

A

Posterolateral

90
Q

Most Common Direction of testicular torsion

A

Medial

91
Q

Most Common Dislocated wrist bone

A

Lunate

92
Q

Most Common Disorder of sexual differentiation in boys

A

Undescended testes

93
Q

Most Common Ehlers-Danlos syndrome

A

Type IV

94
Q

Most Common Endometrial CA

A

Pure endometrial CA

95
Q

Most Common Esophageal atresia (type)

A

Type C (EA with distal TEF), then A, then E

96
Q

Most Common Fractured wrist bone

A

Scaphoid

97
Q

Most Common Gallbladder anomaly

A

Folded fundus

98
Q

Most Common Gallstone

A

Pigment (worldwide)

99
Q

Most Common Glucocorticoid in cancer therapy

A

Prednisone

100
Q

Most Common Glycosaminoglycan in vitreous

A

Hyaluronic acid

101
Q

Most Common Gynecologic malignancy

A

Endometrial CA

102
Q

Most Common Hemolytic transfusion reaction sign

A

Oliguria and hemoglobinuria

103
Q

Most Common Hereditary bleeding disorder

A

Von Willebrand disease

104
Q

Most Common Hodgkin’s lymphoma

A

Nodular sclerosing

105
Q

Most Common Iatrogenically injured nerve

A

Spinal accessory nerve (CN XI)

106
Q

Most Common ICA nonatherosclerotic disease

A

Fibromuscular dysplasia

107
Q

Most Common Infection following renal transplant

A

CMV (viral infection)

108
Q

Most Common Inguinal hernia

A

Indirect (2:1)

109
Q

Most Common Inherited B-cell defect

A

Isolated IgA deficiency

110
Q

Most Common Inherited hemolytic anemia

A

Hereditary spherocytosis (1st Aid CK)

111
Q

Most Common Inherited risk factor for peripheral vasc disease

A

Elevated lipoprotein A

112
Q

Most Common Injured major joint in the body

A

Ankle

113
Q

Most Common Injured nerve in lower limb

A

Common fibular (foot-drop)

114
Q

Most Common Intrinsic platelet defect

A

Storage pool disease

115
Q

Most Common Involved lobe in amebic liver abscess

A

R lobe

116
Q

Most Common Liver pathogens

A

E. coli, Klebsiella, and Proteus

117
Q

Most Common Lysosomal storage disease

A

Gaucher’s disease

118
Q

Most Common Malignancy associated with erythroderma

A

Cutaneous T-cell lymphoma

119
Q

Most Common Malignancy associated with paraneoplastic pemphigus

A

Non-Hodgkin’s lymphoma

120
Q

Most Common Malignancy in atomic blast survivors

A

AML and CML

121
Q

Most Common Malignancy in children

A

ALL

122
Q

Most Common Malignancy in chronic immunosuppression

A

Squamous cell CA (then PTLD)

123
Q

Most Common Malignancy in radiologists

A

AML and skin CA

124
Q

Most Common Malignancy of the palate

A

SCCA and minor salivary gland tumors

125
Q

Most Common Malignant melanoma

A

Superfical spreading melanoma

126
Q

Most Common Metastasis of Lung CA

A

Adrenals

127
Q

Most Common Mineral deficiency in TPN

A

Zinc

128
Q

Most Common Neoplasm of the anterior mediastinum in adults

A

Thymoma

129
Q

Most Common Non-Hodgkin’s Lymphoma

A

Follicular (small cleaved cell); t (14;18; bcl-2)

130
Q

Most Common Omental tumor

A

Metastatic CA

131
Q

Most Common Ovarian CA

A

Germinal epithelium

132
Q

Most Common Ovarian malignancy dx during pregnancy

A

Dysgerminoma (analogous to seminoma)

133
Q

Most Common Pancreatic endocrine neoplasm

A

Insulinoma

134
Q

Most Common PAOD etiology

A

Atherosclerosis (at femoral a. near adductor hiatus)

135
Q

Most Common Pathologic parasitic infection in humans

A

Giardiasis

136
Q

Most Common Pituitary tumor

A

Prolactinoma

137
Q

Most Common Post-splenectomy sepsis organisms

A

S. pneumo, H. influenza, N. meningitides

138
Q

Most Common Precursor of choriocarcinoma

A

Hydatidiform mole

139
Q

Most Common Presenting symptom of KUB cancers

A

Hematuria

140
Q

Most Common Primary bone malignancy

A

Multiple myeloma (1st Aid); 2nd: osteosarcoma

141
Q

Most Common Primary bone tumor in the elderly

A

Multiple myeloma

142
Q

Most Common Primary cardiac neoplasm

A

Myxoma

143
Q

Most Common Primary esophageal motility disorder

A

Nutcracker esophagus

144
Q

Most Common Primary lymphedema

A

Lymphedema praecox

145
Q

Most Common Pulmonary embolus origin

A

Above the knee (80%)

146
Q

Most Common Renal Cell CA

A

Clear Cell

147
Q

Most Common Renal malignancy of childhood

A

Wilms tumor

148
Q

Most Common Renal stone

A

Calcium

149
Q

Most Common Renal transplant complication [donors]

A

Wound infection

150
Q

Most Common Route of metastasis, papillary thyroid CA

A

Lymphatic

151
Q

Most Common Route of metastasis, soft tissue sarcoma

A

Hematogenous

152
Q

Most Common Sarcoma of small intestine in adults

A

Leiomyosarcoma

153
Q

Most Common Shoulder dislocation

A

Anterior? (Parang posterior)

154
Q

Most Common Side of groin hernia

A

Right

155
Q

Most Common Side of varicocoele

A

Left (due to compression from sigmoid)

156
Q

Most Common Site of cervical CA

A

Transformation zone (spreads to obturator nodes)

157
Q

Site of colon CA

A

Rectosigmoid junction (2nd: cecum)

158
Q

Most Common Sites of copper deposition in Wilson’s Disease

A

Descemet’s membrane, Basal ganglia (esp. putamen)

159
Q

Most Common Site of diverticulosis

A

Sigmoid colon

160
Q

Most Common Site of ectopic pregnancy

A

Ampulla

161
Q

Most Common Site of endometriosis

A

Ovary (80%)

162
Q

Most Common Site of Familial adenomatous polyposis

A

Rectosigmoid colon

163
Q

Most Common Site of foreign body aspiration

A

Right main bronchus (except when lying on the L)

164
Q

Most Common Site of esophageal malignancy

A

Lower 3rd (mets to celiac nodes)

165
Q

Most Common Site of gastric ulcers

A

Lesser curvature, body, above incisura angularis, where parietal cells G cells

166
Q

Most Common Site of duodenal ulcers

A

Anterior wall of duodenal cap (Posterior, according to Moore…argh!)

167
Q

Most Common Site of duodenal ulcer perforation

A

Anterior wall

168
Q

Most Common Site of gastrinoma

A

Passaro’s triangle

169
Q

Most Common Site of ischemic colitis

A

Left colon (esp. splenic flexure)

170
Q

Most Common Site of Kaposi’s sarcoma in head and neck

A

Palate

171
Q

Most Common Site of lower limb vascular occlusion

A

Femoral artery at level of profunda femoris

172
Q

Most Common Site of multiple myeloma lesion

A

Vertebrae

173
Q

Most Common Site of nosebleed

A

Kiesselbach plexus

174
Q

Most Common Site of soft tissue sarcoma

A

Extremities

175
Q

Most Common Site of volvulus

A

Sigmoid colon

176
Q

Most Common Site of Zollinger-Ellison syndrome

A

Pancreas

177
Q

Most Common Small intestine malignancy

A

Adenocarcinoma

178
Q

Most Common Small intestine malignancy in children

A

Lymphoma

179
Q

Most Common Small intestine tumor

A

Adenoma

180
Q

Most Common Soft tissue sarcoma of childhood

A

Rhabdomyosarcoma

181
Q

Most Common Soft tissue sarcoma of adults (excluding Kaposi)

A

Malignant fibrous (2nd: liposarcoma)

182
Q

Most Common Solid tumor in children

A

Neuroblastoma

183
Q

Most Common Source of brain metastasis

A

Lung, breast, melanoma, kidney, GI

184
Q

Most Common Spinal muscle atrophy

A

Werdnig-Hoffman disease (Infantile motor neuron disease)

185
Q

Most Common Splenectomy complication

A

Atelectasis of L lower lung

186
Q

Most Common Surgery for sleep apnea

A

Uvulopalatoplasty (repair of soft palate collapse)

187
Q

Most Common Testicular CA in >60 years?

A

Lymphoma

188
Q

Most Common Testicular germ cell neoplasm

A

Seminoma (commonly on the R)

189
Q

Most Common Testicular CA in infants and children <3

A

Yolk sac CA

190
Q

Most Common Tibial fracture site

A

Junction of middle and lower segment

191
Q

Most Common Tumor in females

A

Leiomyoma

192
Q

Most Common Tumor in infants

A

Hemangioma

193
Q

Most Common Tumor of urinary collecting system

A

Transitional cell CA (associated with phenacetin abuse)

194
Q

Most Common Urinary diversion post-cystectomy

A

Ileal conduit (incontinent)

195
Q

Most Common Urine leakage injury

A

Type III (from straddle injury)

196
Q

Most Common Valvular lesion

A

MVP

197
Q

Most Common Valvular lesion in Ehlers-Danlos syndrome

A

Aortic insufficiency

198
Q

Most Common Vasculitis (children)

A

Henoch-Schonlein purpura

199
Q

Most Common Vasculitis (general)

A

Temporal (giant cell) arteritis

200
Q

Most Common Viral cause of mental retardation

A

CMV

201
Q

Most Common Visceral artery aneurysm

A

Splenic artery aneurysm

202
Q

Most Common VSD

A

Membranous (according to Kaplan-Pedia; Robbins)