Online Access Free USMLE Exam Questions

Which of the following occurs during ventricular systole?

• A.Increased ventricular volume
• B.P wave
• C.Increased aortic pressure
• D.Dup heart sound

Which of the following is not a primary target group of T cells?

• A.TB
• B.Toxins
• C.Viruses
• D.Fungi

During phase 3 of the myocardial action potential which ion is moving the most?

• A.Na+
• B.Ca+
• C.Ca2+
• D.K+

Which of the following is not directly related with Pericarditis?

• A.Conjunctiva
• B.Uremia
• C.SLE
• D.Rheumatic fever

Which of the following is not considered a COPD related disease?

• A.Bronchiectasis
• B.Bronchitis
• C.Bronchial asthma
• D.Bronchial hypotension