Step 1 Question of the Week – Public Health Sciences

cardiac pharmacology
This week’s USMLE Step 1 question comes from the area of public health sciences.  See if you can answer the question and then watch the video to learn the correct answer as well as the rationales for all of the options.  The video comes from a recent edition of the Rx Question Lab, so if you like it, we encourage you to register and tune in every Tuesday.
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Public Health Sciences

A very young boy becomes visibly upset when the physician enters the room. The child’s mother reports that he is doing well and is beginning to make sounds that resemble him “trying to speak.” She also says that he can pull himself up to stand and can walk with help. He is able to grasp an object with his index finger and thumb. When the examination begins, the child starts to cry and withdraws further into his mother’s lap.

Which of the following additional findings would most likely be present, assuming that he is meeting his developmental milestones?

A. An upward moving great toe with fanning of the other toes when the bottom of the foot is stroked

B. Can feed self with fork and spoon

C. Can ride a tricycle

D. Can roll and sit but not crawl

E. Can stack 6 cubes

F. Orients only to voice, not to name or gestures

We invite you to leave a comment with your answer as well as your rationale.  When you’re ready to check your work, watch the video!
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