National Board of Medical Examiners (NBME)
NBME USMLE (United States Medical Licensing
Examination): USMLE Step 1, 2 and 3
NBME CBSSA & NBME CBSE Comprehensive Basic
Science Self- Assessment and Examination
Course Title and Number: NBME CBSSA, NBME CBSE,
and NBME USMLE Exam
Exam Title: NBME
Exam Date: Exam 2025- 2026
Instructor: ____ [Insert Instructor’s Name] _______
Student Name: ___ [Insert Student’s Name] _____
Student ID: ____ [Insert Student ID] _____________
Examination
Time: - ____ Hours: ___ Minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you
have completed the Exam.
6. This test has a time limit, The test will save and submit
automatically when the time expires
7. This is Exam which will assess your knowledge on the course
Learning Resources.
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NBME CBSE USMLE Review NBME CBSE
Comprehensive Basic Science Examination
Review Questions and Answers | 100% Pass
Guaranteed | Graded A+ |
2025- 2026
NBME CBSSA & NBME CBSE Comprehensive
Basic Science Self- Assessment and Examination
NBME USMLE (United States Medical Licensing
Examination): USMLE Step 1, 2 and 3
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
When is P2 louder than A2 - =Answer>> Pulmonary
Artherial Hypertension
TX pulmonary arterial hypertension - =Answer>>
Endothelin-R antagonist:
- Bo*sentan*, Ambi*sentan*
PGEi (inc cGMP):
- Silden*afil*
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Pulmonary Embolism - =Answer>> *perfusion defect*
(V/Q mismatch)
sudden SOB + calf swelling
Hypoxemia --> *Hyperventilate *
--> *Respiratory Alkalosis *
--> Metabolic compensation in 2 days
dx pulmonary embolism - =Answer>> *D-dimer* test
CT angiogram
Lines of Zahn
*Homan's sign* (DVT calf pain on dorsiflex)
TX pulmonary embolism - =Answer>> Heparin/LMWH
THEN
Warfarin
Fat embolism syndrome - =Answer>> Long
bone/pelvic fracture
--> neuro, hypoxemia, rash
Fat microglobules in *pulmonary arterioles*
Spontaenous pneumothorax - =Answer>>
nontraumatic* rupture of subpleural blebs*
**20 yo thin TALL man who smokes
*DECREASED PRELOAD*
Tension pneumothorax - =Answer>> Treachea
deviates
REQUIRES INTUBATION
ARDS - =Answer>> bilateral infiltrate
**PANCREATITIS RISK
1. *EXUDATIVE* (capillary permeability)
2. *Proliferative* (collagen)
3. *Fibrotic* (pulmonary fiborsis + HTN)
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What are the risks from ARDS - =Answer>> Sepsis
Pancreatitis
Pneumo
cystic fibrosis genetics - =Answer>> *dF508
frameshift*
CFT protein - post-tln
HypoNa
Cystic Fibrosis complications - =Answer>> Dec *Vit A*
--> Pancreatic (squamous metaplasia)
Def *Vit E* --> Neuromuscular, hemolytic anemia
Def *Vit K *--> Intracranial hemorrhage
Meconium Ileus; No Vas deferns; Digital clubbing
DEATH FROM PNEUMO
Hemorrhagic infarct is what color and why -
=Answer>> RED
Dual blood supply
Empyema - =Answer>> Infected *exudative* pleural
effusion
Meniscus opacity
Increased LDH
COMPLICATES PNEUMO
Lobar pneumonia - =Answer>> *consolidation*
Ex: strep, legionella
--> Red (3-4 d)
--> Grey hepatization (5-7d)
--> Resolution (*Type II regen* in 8 d)
Broncho Pneumonia - =Answer>> *Patchy*
ex: Staph, Strep, Kleb, H flu
Interstitial Pneumonia - =Answer>> Alveolar walls
Ex: Mycoplasma, Chlamydia,
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