30 Questions
Which of the following is a characteristic symptom of eczema?
Weeping, oozing lesions
What is the main cause of scabies?
Arthropod infestation
Which of the following is a viral infection that causes benign keratinocytic neoplasms?
Human papillomavirus (HPV)
What is the main factor contributing to the pathogenesis of psoriasis?
Cell-proliferation abnormalities
Which layer of the epidermis contains stem cells and some minimal cell division occurs in this layer?
Stratus Basale
Which layer of the epidermis is the main proliferative layer and where synthesis begins?
Stratum Spinosum
Which layer of the epidermis is the mature synthetic layer, where keratinocytes are synthesizing the granular components of skin?
Stratum Granulosum
Which type of lesion is a small, discolored patch or spot on the skin, neither elevated above nor depressed below the skin's surface?
Macule
Which one of these is a common characteristic of melanoma?
Irregular borders
Which one of these is a common characteristic of basal cell carcinoma?
Translucent appearance on the skin
Which one of these is a common characteristic of squamous cell carcinoma in situ?
Invasion of the dermis
Which one of these is a common characteristic of actinic keratosis?
Abnormal squamous cells at the basal layer
Which of the following is a symptom of squamous cell carcinoma (SCC)?
Raised, hyperkeratotic lesions
Which of the following is the leading cause of blindness worldwide?
Chlamydia Trachomatis
What is the primary cause of corneal ulcers in the U.S.?
Herpes Simplex Virus (HSV)
What is the main pathology of sympathetic ophthalmia?
Autoimmune reaction in both eyes
Which type of hypersensitivity reaction is responsible for urticaria (hives)?
Type I immediate-type hypersensitivity
What is the characteristic pathology of lichen planus?
Bead-like subepidermal lymphocytic infiltrate
Which type of melanoma has the highest chance of metastasis?
Vertical growth-phase melanoma
What is the most common form of melanoma in dark-skinned individuals?
Acral lentiginous melanoma
Which skin disorder is characterized by large, erythematous, scaly plaques commonly found on dorsal extensor surfaces?
Psoriasis
What is the underlying defect in epidermolysis bullosa?
Easy separation between the dermis and epidermis
Which skin disorder is characterized by the presence of bullae resembling a second-degree burn?
Stevens-Johnson syndrome
Which type of lupus erythematosus is a non-systemic disease only affecting the skin?
Chronic cutaneous lupus erythematosus
Which layer do they appear between?
Bruch's membrane and the RPE
What is the consequence of central retinal artery occlusion?
Blindness
Why does the macula retain blood supply in central retinal artery occlusion?
It gets blood from the choroid underneath
What is the characteristic symptom of central retinal vein occlusion?
Flame-shaped hemorrhages and edema
What causes waxy spots in hypertensive retinopathy?
Protein and lipid transudates
What is the cause of cotton wool spots?
Ischemic injury to nerve fibers
Test your knowledge of pathology and the eye with this quiz. Learn about raised, hyperkeratotic lesions and their symptoms, as well as the normal structure and function of the eye. Explore topics such as blepharitis, chalazion, xanthelasma, and more.
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