Tag: science & technology

Retrograde motion describes an object moving in the opposite direction of the prevailing rotation or orbit. In astronomy, planets can exhibit retrograde motion when they appear to move backwards against the background stars from Earth's perspective.

Cymbalta (duloxetine) is a serotonin-norepinephrine reuptake inhibitor (SNRI) primarily used to treat major depressive disorder and generalized anxiety disorder. It is also used for certain pain conditions like fibromyalgia and diabetic neuropathy.

Pralatrexate is an antineoplastic agent that belongs to the class of folate analog metabolic inhibitors. It is specifically approved for the treatment of relapsed or refractory peripheral T-cell lymphoma (PTCL), a type of cancer affecting T-cells.

Arzoxifene is a selective estrogen receptor modulator (SERM) that was developed for the prevention and treatment of osteoporosis in postmenopausal women. It works by binding to estrogen receptors, mimicking estrogen's beneficial effects on bone while blocking potential negative effects on breast tissue.

Gemzar (gemcitabine) is a nucleoside analog chemotherapy drug used to treat multiple types of cancer. It is FDA-approved for pancreatic cancer, non-small cell lung cancer, and metastatic breast cancer, making All of these the correct answer.

Biguanides, with metformin being the most well-known, are a class of medications primarily used to treat type 2 diabetes. They work by decreasing glucose production in the liver and improving insulin sensitivity in peripheral tissues.

Zolpidem is a sedative-hypnotic medication that acts on GABA receptors to induce sleep. It is specifically indicated for the short-term treatment of insomnia, helping patients fall asleep faster and stay asleep longer.

Streptase (streptokinase) is a thrombolytic enzyme that dissolves blood clots by converting plasminogen to plasmin. It is used to treat acute myocardial infarction and other thrombotic conditions, including complications of coronary artery disease where blood flow is blocked by clots.

Captopril is an ACE (Angiotensin-Converting Enzyme) inhibitor, a class of drugs primarily used to treat hypertension (high blood pressure) and heart failure. It works by blocking the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor, thereby lowering blood pressure. Options B (acidity) and C (arthritis) are incorrect - Captopril has no role in treating these conditions.

Risperdal (risperidone) is an atypical antipsychotic medication primarily used to treat schizophrenia, bipolar disorder, and irritability associated with autism. Insomnia is treated with sedatives, kleptomania with behavioral therapy and SSRIs, and hernia requires surgical intervention.