Archives: Medical Student Finals

MSFinals-0456

A 22-year-old male patient complains of inadequate pubertal development. Upon examination, he has small testes on both sides, scanty pubic and facial hair, long arms and legs, and large hands and feet. What is the probable karyotype?

MSFinals-0457

How can the contribution of the extra chromosome be described in a chromosome disorder where both the mother and father provide nearly equal amounts?

MSFinals-0458

What is the target age group for routine human papillomavirus (HPV) vaccination in the United Kingdom (UK) for girls?

MSFinals-0459

In a study of the usefulness of serum procalcitonin level in identifying bacteraemia in elderly patients, 100 consecutive febrile patients aged 65 and above were examined for serum procalcitonin and bacterial culture.

The study found that a serum procalcitonin level above 0.5 microgram/L had an 80% positive predictive value in detecting bacteraemia.

What does this statement mean?

MSFinals-0460

In a study investigating the usefulness of serum procalcitonin level in early detection of bacteraemia, 50 febrile patients aged 60 and above were tested for both serum procalcitonin and bacterial culture. The results showed that a serum procalcitonin level above 0.5 microgram/L had a sensitivity of 85% in detecting bacteraemia.

Which statement below accurately reflects the findings of the study?

MSFinals-0461

In a study investigating the usefulness of serum procalcitonin level in detecting bacteraemia in febrile patients, 100 consecutive individuals were tested for both serum procalcitonin and bacterial culture. The study found that a serum procalcitonin level below 0.5 microgram/L had a negative predictive value of 95% in identifying bacteraemia.

What does this negative predictive value signify?

MSFinals-0464

A 55-year-old male patient reports experiencing excessive thirst and frequent urination for the past three months. What diagnostic measurement would confirm a diagnosis of diabetes mellitus?