Question

A 20 year old patient has suddenly broken multiple bones in just the past year, and complains of muscle weakness. Tests come back that indicate high levels of blood calcium. Of the following, which is the most likely diagnosis?

a) Osteogenesis imperfecta
b) Hypersecretion of PTH
c) Hypersecretion of calcitonin
d) Rickets

Answer 1

The condition described is likely hyperparathyroidism, caused by hypersecretion of PTH, leading to weakened bones, fractures, and muscle weakness due to elevated blood calcium levels.

Step-by-step explanation:

The most likely diagnosis for a 20 year old patient who has experienced multiple bone fractures and muscle weakness in addition to high levels of blood calcium is b) Hypersecretion of PTH, also known as hyperparathyroidism.

This condition is characterized by an overproduction of parathyroid hormone (PTH) which leads to excessive calcium being leached from the bones and introduced into the bloodstream, resulting in bone structural weakness, fractures, and muscle weakness. The elevated blood calcium levels can also cause nervous system impairment. The symptoms of hyperparathyroidism are a consequence of both loss of bone density and increased blood calcium levels, which affects neuromuscular function and bone integrity.