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КРОК / KROK
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Gravimetry was used to analyze sodium sulfate crystalline hydrate by precipitating sulfate ions with a barium chloride solution. After its maturation, the barium sulfate precipitate must be washed using decantation. What is used as a washing liquid for this purpose?
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One of the important diagnostic features of garden sage and motherwort is their shape of corolla. Their flowers have the following type of corolla:
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During a practical session in pharmaceutical botany, the students were studying herbarium specimens of Asteraceae family plants. What plant of this family has flowers that are all yellow, zygomorphic, ligulate, and bisexual?
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Ammonium thiocyanate solution was added into the solution being studied. The resulting solution colored red. This analytical effect indicates the presence of the following cation:
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Heparin was prescribed as a part of complex therapy for myocardial infarction. This drug belongs to the following group:
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A 9-year-old child due to acute bronchitis developed elevated body temperature up to 38.5^oC that lasted for a week and was then followed by a drop in the temperature down to 37.0^oC) What mechanism is leading at the 3rd stage of fever?
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Essential oils are used both in pharmaceutical and cosmetic industry. To extract essential oils from herbal raw material, the following technology is used:
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A patient with a diagnosis of drug poisoning has been admitted to a resuscitation department. The patient is in grave condition. Respiration is rapid, superficial, with periods of apnea (Biot's respiration). What was the main cause of the development of periodic breathing in the patient?
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What fruits are apocarpous?
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A 25-year-old man has an appointment with the dentist. Several minutes after his oral cavity was lavaged with furacilin (nitrofurazone) the patient developed significant labial edema. What type of allergic reaction is observed in this case?
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