80854

Streptomycin is contraindicated in pregnant women because of fetal ototoxicity.

95826

56556

ZnO is a filler in Gutta Percha, and it improves the strength and flexibility of the material.

86749

The triad of signs and symptoms of osteogenesis imperfecta includes blue sclera, brittle bones, and opalescent dentin.

69779

A large expansion can take place if the amalgam is contaminated by moisture during trituration or condensation, known as delayed expansion or secondary expansion.

44449

In thalassemia, there is actually a DECREASE (not increase) in globin chain production - either alpha or beta chains depending on the type. This imbalanced globin chain synthesis leads to unstable hemoglobin, increased erythrocyte fragility, hemolysis, and subsequent hypochromic microcytic anemia. Therefore, statement 1 is false, making it the correct answer to what is NOT true about thalassemia.

38255

Following an occupational or non-occupational exposure to HIV, the standard course of post-exposure prophylaxis involves taking antiretroviral medications daily for 28 days to minimize the risk of seroconversion.

30833

Adrenocorticotropic hormone (ACTH) is produced by the pituitary gland and acts on the adrenal cortex to stimulate the secretion of cortisol, an essential glucocorticoid hormone. The adrenal cortex is the target organ for ACTH in the regulation of the hypothalamic-pituitary-adrenal (HPA) axis.

17585

In the posterior maxilla, implants typically require a wider diameter (around 5 mm) to withstand the greater occlusal forces and to provide a better emergence profile for the restoration. The length is often shorter due to sinus proximity, and specific distances from adjacent structures are general guidelines, not a universal "truth" for all cases.

41742

Morphine is the drug of choice to relieve pain in myocardial infarction. It provides excellent analgesia, reduces anxiety, and has beneficial hemodynamic effects by reducing preload and afterload. It also helps reduce oxygen demand of the myocardium.