Repeated USMLE Questions Step 1- 332

Q- Which of the following is the most abused drug for all ages in the United States?

A- Alcohol

B- Cocaine

C- Marijuana

D- Methamphetamine

A- Alcohol



Q- Which one of the following enzyme deficiencies is related to Tay-Sachs disease?

A- Arylsulfatase A deficiency

B- Glucocerebrosidase deficiency

C- Hexosaminidase A deficiency

D- Sphingomyelinase deficiency

C- Hexosaminidase A deficiency



Q- Which statement is true regarding action of lung surfactant?

A- It affects more large alveoli than sma alveoli

B- It elevates surface tension forces and decreases compliance

C- It lowers surface tension and decreases compliance

D- It lowers surface tension and increases compliance

D- It lowers surface tension and increases compliance



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