Repeated USMLE Questions Step 2 CK- 463

Q- A college student visits the clinic for pruritic maculopapular rash on abdomen, trunk, and palms of the hands and soles of the foot. Generalized lymphadenopathy and wart-like lesions are seen around anal area.

Which of the following laboratory tests is the most useful for this patient?

A- Blood culture of gonococci

B- Chlamydia titer

C- Venereal Disease Research Laboratory (VDRL) test

D- Weil-Felix titer

C- Venereal Disease Research Laboratory (VDRL) test- The clinical picture suggests a case of syphilis. VDRL is the only most useful one on the list to confirm this diagnosis.

Q- A middle-aged woman is evaluated for gait problems. On examination, her ability to touch her nose while her eyes closed fails and so, touching the heel of one toe to the toe of the other.

Which of the following locations is the most likely affected?

A- Cerebellum

B- Frontal lobe

C- Parietal lobe

D- Ankle and elbow joints

A-Cerebellum- It is the only location on the list that is responsible for control of gait and coordination of movements which are tested by those neurological tests and observing the patient’s gait.

Q- Which one of the following medications should be discontinued if the patient is diagnosed with Parkinsonism?

A- Benztropine

B- Chlorpromazine

C- Pramipexole

D- Trihexyphenidyl

B- Chlorpromazine- It is the only antidopaminergic drug on the list. Other drugs are helpful in treating Parkinsonism. Benztropine and trihexyphenidyl are used to relieve tremor and rigidity. Pramipexole is a dopamine agonist and is the best initial therapy for severe Parkinsonism.  

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1 thought on “Repeated USMLE Questions Step 2 CK- 463”

  1. 1. Vdrl
    2. Cerebellum

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