স্পেশাল বিসিএস (স্বাস্থ্য) - লং কোর্স

Explanation: There are 64 different codons with some redundancy in the system: 61 codons encode one of the 20 amino acids, and the remaining three codons – UAA, UAG and UGA (known as stop codons) – cause termination of the growing polypeptide chain.

Explanation: DNA replication occurs in S(synthesis) phase of cell cycle

Autosomal Recessive: Cystic Fibrosis, Sickle Cell Anemia

Explanation: IgG distributed equally between blood and extracellular fluid and transported across placenta.

Explanation: Cellular immunity is mediated by T lymphocytes

Explanation: history remains the most important part of the clinical decision-making process. Studies show that physicians make a diagnosis in 70–90% of cases from the history alone

Explanation: Main side effects of ACE inhibitors are: Renal impairment and Hyperkalemia

Explanation: Blood pressure is higher during the daytime

Explanation: Hypothermia exists when the body’s normal thermal regulatory mechanisms are unable to maintain heat in a cold environment and core temperature falls below 35°C

Explanation: Fever with Severe headache and photophobia, neck stiffnss usually suggestive of meningitis

Explanation: ‘Koplik’s spots’ seen on buccal mucosa in the early stages of clinical measles, is pathognomonic for measles

Explanation: Initial flushing faint macular rash in first 1–2 days. Maculopapular, scarlet morbilliform blanching rash from days 3–5 on trunk, spreading centrifugally and sparing palms and soles; onset often with fever defervescence. May desquamate on resolution or give rise to petechiae on extensor surfaces

Explanation: Treatment should be continued for 14 days

Explanation: The most common cause of ulceration is genital herpes

Explanation: About 65% of the filtered sodium load is reabsorbed in the proximal renal tubule

Explanation: The presence of leucocytes and nitrites in urine is indicative of renal tract infection

Explanation: Tricuspid regurgitation produces giant v waves that coincide with ventricular systole. Davidson 23rd, P-443

Explanation: Chest pain on effort is the hallmark of angina pectoris

Explanation: All are the causes of bradycardia, Option A, B, D are pathological cause.

Explanation: ACE inhibitors & ARB are contraindicated in pregnancy

Explanation: Productive cough, changes in posture induce sputum production is a typical feature of Bronchiectasis

Explanation: pleural fluid accumulates as a result of either increased hydrostatic pressure or decreased osmotic pressure (‘transudative’ effusion, as seen in cardiac, liver or renal failure), or from increased microvascular pressure due to disease of the pleura or injury in the adjacent lung (‘exudative’ effusion).

Explanation: Niacin Deficiency – pellagra, Thiamin Deficiency – beri-beri

Explanation: Gastrin stimulates gastric acid secretion. Somatostatin, Secretin and GIP inhibits gastric acid secretion.

Explanation: Night blindness occurs due to Vitamin A deficiency

Explanation: Iron deficiency anaemia is the most common type of anaemia worldwide.

Explanation: Chronic lymphocytic leukaemia (CLL) is the most common variety of leukaemia

Explanation: Felty’s syndrome is a rare complication of seropositive RA in which splenomegaly occurs in combination with neutropenia and thrombocytopenia

Explanation: Organic mental disorders: Dementias, Delirium Other mental disorders due to brain damage or disease

Explanation: Antidepressants are the drugs of first choice. The therapeutic dose is usually higher for anxiety disorders than for depression

Explanation: ‘comedone’ is a Hallmark of Acne

Prick tests are used to investigate cutaneous type I (immediate) hypersensitivity to various antigens such as pollen, house dust mite or dander.