Mercury is a toxic substance, and the hazards of mercury-associated occupational and accidental exposures are well known. What is the primary concern for the general public in regard to mercury poisoning today?

In a patient with DIC, what occurs simultaneously in the vascular system?

A 20 year old male presents at the clinic complaining of severe fatigue, night sweats, and fever. While taking the client’s history, he reports having multiple sexual partners and unprotected sex. HIV/AIDS is suspected. What diagnostic test would be ordered to confirm the diagnosis?

On rare occasions, errors in duplication of DNA occur. What are these called?

A 44-year-old banker comes to your office for evaluation of a pulsating headache over the left temporal region, and he rates the pain as an 8 on a scale of 1 to 10. The pain has been constant for the past several hours and is accompanied by nausea and sensitivity to light. He has had frequent head- aches for many years but not as severe, and they are usually relieved by over-the-counter medicines. He is unclear as to a precipitating event but notes that he has had visual disturbances before each headache and he has been under a lot of stress in his job. Based on this description, what is the most likely diagnosis of this type of headache?

Metastatic calcification occurs in normal tissues as the result of increased serum calcium levels (hypercalcemia). Anything that increases the serum calcium level can lead to calcification in inappropriate places such as the lung, renal tubules, and blood vessels. What are the major causes of hypercalcemia?

Which immunoglobulin is responsible for the hypersensitivity reaction?

A mother is feeling inside her baby’s diaper bag to find her car keys. There are a number of other items in the bag other than the keys. Which of the following terms best describes one’s ability to sense of shape and size of an object in the absence of visualization?

The Krebs cycle provides a common pathway for the metabolism of nutrients by the body. The Krebs cycle forms two pyruvate molecules. Each pyruvate molecule formed in the cytoplasm from one molecule of glucose yield another molecule of what?

Some people are so sensitive to certain antigens that they react within minutes by developing itching, hives, and skin erythema, followed shortly thereafter by bronchospasm and respiratory distress. What is this commonly known as?