The Simple Microscopes Used by the Earliest Practitioners of Microscopy

question 41

Multiple Choice

The simple microscopes used by the earliest practitioners of microscopy contained which of the following?

• A)Magnifying lens
• B)Oil-immersion lens
• C)Lamp
• D)Ocular
• E)Condenser

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Definitions:

Expiratory Reserve

The volume of air that can be forcefully exhaled after the end of a normal tidal expiration.

Intercostal Muscles

Muscles located between the ribs that aid in the process of breathing by controlling the expansion and contraction of the chest cavity.

Elevate Ribs

The action of lifting the ribs through muscle contraction, which increases the volume of the thoracic cavity to aid in inhalation.

Emphysema

A long-term, progressive disease of the lungs characterized by a loss of elasticity and enlargement of air spaces, leading to breathing difficulties.