When the Oil- Immersion Lens Is Used

question 79

Multiple Choice

When the oil- immersion lens is used,

• A) light rays are scattered so unnecessary background material is not seen.
• B) light rays are collected to increase clarity.
• C) magnification of objects is increased by about tenfold.
• D) objects are held in place on the microscope slide.

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Definitions:

Dependence

A state in which an organism can only function normally in the presence of a particular substance, leading to physical or psychological withdrawal symptoms.

Anandamide

A naturally occurring cannabinoid in the human body, involved in various physiological processes including appetite, pain-sensation, mood, and memory.

Appetite

A natural desire to satisfy a bodily need, especially for food, influenced by psychological and physiological mechanisms.

Mood Regulation

Mood regulation refers to the processes by which individuals influence their own emotional states, aiming to maintain a stable mood or to adjust it in response to their perceived emotional needs.