What is the category class of Iron?

Correct Answer: C

Rationale: Iron is classified as an Antianemic agent. Anemia is a condition characterized by a lack of healthy red blood cells, which are responsible for carrying oxygen to the body's tissues. Iron is essential for the production of hemoglobin, the protein in red blood cells that binds oxygen. Therefore, iron supplements are commonly used to treat iron-deficiency anemia by replenishing the body's iron stores and supporting the production of healthy red blood cells.

Correct Answer: C

Rationale: Acute schizophrenia requires antipsychotics for positive symptoms (e.g., hallucinations). IV haloperidol is for acute agitation, not first-line outpatient treatment. IM flupentixol, a long-acting typical antipsychotic, suits maintenance, not initial therapy. Oral olanzapine, an atypical antipsychotic, is first-line, balancing efficacy (D2/5-HT2 blockade) and lower extrapyramidal risk, suitable for a young patient. Procyclidine treats parkinsonism, not schizophrenia. Fluoxetine is for depression. Olanzapine's oral route and profile make it ideal for initial management, promoting adherence and tolerability.

Correct Answer: C

Rationale: Androgens, primarily testosterone, are secreted by the testes' Leydig cells, stimulated by luteinizing hormone (LH) from the pituitary, making the testes the direct source. Follicle-stimulating hormone (FSH) from the pituitary regulates sperm production, not androgen secretion. Gonadotropin-releasing hormone (GnRH) from the hypothalamus triggers pituitary LH and FSH release, indirectly influencing androgen production, not secreting it. The pituitary releases LH and FSH, not androgens itself. The testes' role as the endocrine organ producing androgens is clear, driven by LH, and is fundamental to male reproductive and secondary sexual characteristics, setting it apart from regulatory hormones in the hypothalamic-pituitary-gonadal axis.

Correct Answer: C

Rationale: Iron is classified as an Antianemic agent. Anemia is a condition characterized by a lack of healthy red blood cells, which are responsible for carrying oxygen to the body's tissues. Iron is essential for the production of hemoglobin, the protein in red blood cells that binds oxygen. Therefore, iron supplements are commonly used to treat iron-deficiency anemia by replenishing the body's iron stores and supporting the production of healthy red blood cells.

Correct Answer: D

Rationale: Ethanol's zero-order metabolism matches phenytoin , saturating enzymes at therapeutic levels. Aspirin , ibuprofen , simvastatin , and valproic acid (E) follow first-order kinetics. Phenytoin's fixed-rate clearance mirrors ethanol's.