Correct Answer: C

Rationale: The described clinical presentation of a yellowish-white spot on the cornea with a ring of inflammation, along with branching, filamentous opacities extending from the corneal lesion, is highly suggestive of fungal keratitis. Fungal keratitis is commonly caused by filamentous fungi such as Fusarium and Aspergillus species. The characteristic finding of branching, filamentous opacities seen on slit-lamp examination is classic for fungal infections of the cornea. It is important to promptly diagnose and treat fungal keratitis since delayed or inadequate management can result in vision-threatening complications.

Correct Answer: A

Rationale: #NAME?

Correct Answer: B

Rationale: The diagnostic test that could be useful in confirming the diagnosis of Dengue Fever is the ELISA test. ELISA stands for Enzyme-Linked Immunosorbent Assay. This test detects the presence of dengue virus-specific antibodies (IgM and IgG) in the blood of an individual suspected to have dengue fever. Elevated levels of these antibodies indicate a recent or ongoing dengue virus infection. ELISA is a standard and reliable test used in diagnosing dengue fever, along with clinical symptoms and other laboratory tests.

Correct Answer: A

Rationale: The death of Lory is the precipitating factor for Ella's feeling of wanting to die. Losing someone close to us can lead to feelings of profound sadness, grief, and hopelessness, which may trigger thoughts of wanting to die. The impact of losing a loved one can be devastating and overwhelming, often leading individuals to question the meaning of life and their own mortality. In Ella's case, the death of Lory has likely caused a significant emotional upheaval, contributing to her desire to end her own life. It is essential to address these feelings of loss and provide support and intervention to help Ella cope with her grief and prevent any self-harm.

Correct Answer: B

Rationale: Major histocompatibility complex (MHC) class I molecules are responsible for presenting endogenous antigens, such as viral or intracellular proteins, to CD8+ T cells. These antigens are derived from within the cell, either synthesized within the cell itself or taken up from the cytoplasm. CD8+ T cells, also known as cytotoxic T cells, recognize antigens presented by MHC class I molecules and play a key role in cell-mediated immunity by destroying infected or abnormal cells.