25 Questions
Which type of intermolecular force is responsible for gas liquification used in medicinally aerosols?
Van der Waals forces
Where are the London forces commonly found in a cell membrane?
Aliphatic regions
Which type of intermolecular force affects drug-receptor binding through hydrophobic interactions?
London forces
What is another name for London forces that involve induced dipole-induced dipole interactions?
Van der Waals forces
Which intermolecular force type dominates the gas liquification process for medicinal use?
Van der Waals forces
What are the tiny openings on the epidermis of a plant called?
Stomata
Which of the following is true about stomata on plant surfaces?
They are involved in photosynthesis
What is the primary function of trichomes on plant surfaces?
Protection against predators
Which of the following is NOT a characteristic of stomata?
Covered with pores
In plant biology, what is the term for the outermost cell layer of a plant that contains stomata?
Epidermis
What is the main medicinal use of Senna leaves?
As a laxative
Which term best describes leaves that live for one year or more?
Evergreen
What is the function of Senna leaves in urinary tract complaints?
Diuretic
Which term defines a lateral outgrowth on the stem?
Leaf
In what way are Senna leaves different from other medicinal leaves?
They are known for their laxative properties
Which term describes the process of separating the constituents of Senna leaves to extract their medicinal properties?
Extraction
What is the main bioactive constituent in Senna leaves responsible for their laxative properties?
Alkaloids
How are Senna leaves commonly administered for their medicinal purposes?
Oral consumption
What is the primary pharmacological action of Senna leaves when used as a medicinal agent?
Laxative
Which pharmaceutical dosage form is most suitable for administering Senna leaf extracts to pediatric patients?
Chewable tablets
What is the family name of Cassia acutifolia and Cassia angustifolia?
Leguminosae (Fabaceae)
What are the main anthraquinone glycosides found in Senna leaves?
Sennosides A and B
In what doses does Senna act as a stimulant laxative and purgative, respectively?
Stimulant in small dose, purgative in large dose
Which type of leaf structure does Senna leaf exhibit?
Isobilateral
What is the term used to describe the mesophyll structure of Senna leaves?
Dorsiventral
This quiz covers the introduction to intermolecular forces, focusing on Van der Waals forces, specifically London forces (Induced dipole–induced dipole interaction) and factors influencing their strength. It also discusses the applications of intermolecular forces in pharmacy. The quiz provides examples and a summary of key points.
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