research Section 2: Single Best Answer Questions 51–120
The document tests knowledge and decision-making in hematology through multiple-choice questions.
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research Androgen Treatment in Women: A Review of Testosterone Therapy and Its Effects
Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
research A Case of Premature Hair Graying Treated with Ferrous Sulfate
Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
research Intermittent Chronic Telogen Effluvium With an Unusual Dermoscopic Finding Following COVID-19
A 17-year-old girl had severe, on-and-off hair loss, likely due to COVID-19. She was treated with Vitamin D3, biotin, and other supplements, and saw some improvement within a month.
research A Study of Micronutrient Levels in Premature Canities in Children
Children with early graying hair might have lower levels of certain nutrients like zinc, magnesium, and Vitamin B12.
research 25 Hydroxyvitamin D 1 Alpha-Hydroxylase Is Required for Optimal Epidermal Differentiation and Permeability Barrier Homeostasis
The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
research A Cross-Sectional Study on Post-Coronavirus Disease Hair Loss at a Tertiary Care Hospital
Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
research Skin Conditions in Figure Skaters, Ice-Hockey Players, and Speed Skaters
Ice-skating athletes often have skin problems due to cold, infections, and inflammation, needing careful treatment and prevention.
research Biomarkers in Alopecia Areata: A Systematic Review and Meta-Analysis
High levels of IL6 and CRP, and low levels of vitamin D, might be indicators of alopecia areata.
research Possible Immunomodulating Effect of Retinol on Cytokine Secretion in Patients with Recurrent Furunculosis
Retinol may affect immune responses in people with frequent skin boils.
research Elucidating Causal Relationships of Diet-Derived Circulating Antioxidants and the Risk of Non-Scarring Alopecia: A Mendelian Randomization Study
Higher levels of β-carotene and vitamin E may help prevent certain types of hair loss.
research Phenotypic Characterization of Patients with Polycystic Ovary Syndrome in a Population from the Ecuadorian Andes: A Cross-Sectional Study
Classical PCOS types A and B are most common and linked to higher health risks.
research Endocrinology
The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
research Impact of Diet and Dietary Supplements on Acne Vulgaris
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.
research Role of Non-Androgenic Factors in Hair Loss and Hair Regrowth
Eating a balanced diet with vitamins, micronutrients, and antioxidants is important for hair health and can help with hair loss.
research Identification of Hepatic Molecular Mechanisms of Action of Alpha-Tocopherol Using Global Gene Expression Profile Analysis in Rats
Vitamin E affects liver metabolism, enhancing stress resistance, reducing blood clotting, and altering hormone processing.
research Alopecia and Clinical Presentation of Endocrinopathies: Pathogenetic and Diagnostic Aspects
Hormonal imbalances can cause hair loss, and understanding them can help develop better treatments.
research Oral Mesotherapy: Considered as an Adjunctive Technique for Different Surgical Procedures?
Mesotherapy might be a useful addition to dental surgery to reduce drug use and side effects, but more research is needed.
research The Nutrient–Skin Connection: Diagnosing Eating Disorders Through Dermatologic Signs
Skin, hair, and nail changes can help detect eating disorders early.
research Association of Obesity and Bariatric Surgery on Hair Health
Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
research The Impact of Individual Lifestyle and Status on the Acquisition of COVID-19: A Case-Control Study
Your lifestyle and health can affect your chances of getting COVID-19; not enough sleep, lots of exercise, and hair loss can increase risk, while washing hands, eating fruit daily, and taking vitamins A and C can lower it.
research Alopecia Areata: Current Understanding and Management
Alopecia areata is a chronic condition causing hair loss, with new treatments targeting the immune system showing promise.
research Complementary Strategies to Promote Hair Regrowth in Post-COVID-19 Telogen Effluvium
Different methods, including stress management, healthy diet, supplements, and treatments like minoxidil, can help hair grow back after COVID-19 related hair loss.
research Systematic Investigation of a Potential Epidemiological and Genetic Association Between Male Androgenetic Alopecia and COVID-19
No significant link between male pattern baldness and COVID-19 severity was found.
research 1,25-(OH)2D3 Promotes Hair Growth by Inhibiting NLRP3/IL-1β and HIF-1α/IL-1β Signaling Pathways
1,25-(OH)2D3 helps hair grow by blocking certain harmful signals.
research Female Pattern Hair Loss: An Overview with Focus on the Genetics
Different genes cause Female Pattern Hair Loss compared to male hair loss, and treatments vary, but more research is needed to understand it fully.
research Fractional Carbon Dioxide Laser Alone and as an Assisted Drug Delivery for Treatment of Alopecia Areata: A Clinical, Dermoscopic and Immunohistochemical Study
Laser treatment, especially when combined with other therapies, is effective for hair regrowth in alopecia areata.
research Treatment of Refractory Segmental Vitiligo and Alopecia Areata in a Child with Upadacitinib and NB-UVB: A Case Report
Upadacitinib and narrowband UVB effectively treated a child's vitiligo and alopecia areata.
research Comparative Study of Efficacy of Topical Mometasone with Calcipotriol Versus Mometasone Alone in the Treatment of Alopecia Areata
Combining calcipotriol with mometasone is more effective for treating alopecia areata than using mometasone alone.
research Wnt/β-Catenin Signaling: Function, Biological Mechanisms, and Therapeutic Opportunities
The Wnt/β-catenin pathway is important for body functions and diseases, and targeting it may treat conditions like cancer, but with safety challenges.