USMLE - STEP 1 DRILLS

Question 1

Cavities of Blood Loss (8)

Answer 1

1. Pericardium
2. Intracranial
3. Mediastinum
4. Pleural Cavity
5. Thighs
6. Retroperitoneum
7. Abdominal
8. Pelvis

Question 2

Cyanotic Heart Diseases (9)

Answer 2

1. Transposition of great arteries
2. Tetrology of Fallot
3. Truncus Arteriosus
4. Tricuspid Atresia
5. Total Anomalous Pulmonary Venous Return
6. Hypoplastic Left heart Syndrome
7. Ebstein’s Anomaly
8. Aortic Atresia
9. Pulmonic Atresia

Question 3

Hormones Produced By Placenta (6)

Answer 3

1. hCG
2. Inhbin
3. HPL
4. Oxytocin
5. Progesterone
6. Estrogen

Question 4

How Do You Tell Catalase + Staphlococci Apart?

Answer 4

Pigment
Aureus = Gold
Epidermidis = White
Saprophyticus = None

Question 5

Strep pyogenes

1st MCC
2nd MCC

Answer 5

MCC

1st - all throat infections, lymphangitis, impetigo, necrotizing fasciitis, erysipelas, Scarlet Fever

2nd - all other skin infections

Question 6

Compartment Syndrome

Answer 6

Pain (always 1st)
Pallor
Poikilothermia (core body T regulator)
Parasthesia
Pulselessness (always last)

Question 7

B Vitamins & Associated Deficiencies

Answer 7

B1 - Thiamine; Beriberi, Wernike's, Korsakoff
B2 - Riboflavin; Angular Stomatitis
B3 - Niacin; Pellagra, 3Ds
B4 - Lipoic Acid
B5 - Panthothenic Acid
B6 - Pyridoxine; seizures
B7 - Biotin
B9 - Folate
B12 - Coblamine; Pernicious Anemia, Neuropathy