Repeated USMLE Questions Step 1- Review- 27

Q- A 26-year-old pregnant woman visits her primary care physician for routine examination. Her examination is normal. Her blood group is O, Rh-negative. Administration of which of the following should prevent the development of related fetal complications?

A- Ferrous sulfate

B- Folic acid derivatives

C- Rh (D) immune globulin

D- Wide spectrum antibiotics

C- Rh (D) immune globulin- It prevents the formation of antibodies to Rh D which in turn should prevent the development of erythroblastosis fetalis.

Q- Which one of the following oral hypoglycemic drugs is the initial therapy for patients with type 2 diabetes?

A- Acarbose

B- Glyburide

C- Metformin

D- Repaglinide

C- Metformin- It is the first line of treatment for patients with pre-diabetes or recently diagnosed type 2 diabetes, if is not contraindicated. 

Q- A young man is involved in a car accident which results in laceration to some great vessels and is admitted for surgery. Which of the following organs is the LEAST affected by loss of blood for a an extended period of time?

A- Brain

B- Liver

C- Retina

D- Skeletal muscles

E- Small intestine

D- Skeletal muscles- Anaerobic glycolysis saves sometime for skeletal muscles to survive. Other organs need more oxygen to survive.

More Repeated USMLE Questions Step 1

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