____, Also Called Bullae, Are Bubble-Like Blisters on the Pleural

question 3

Multiple Choice

____, also called bullae, are bubble-like blisters on the pleural lining that, when under increased intrathoracic pressure can rupture, leading to a spontaneous pneumothorax.

• A) Blebs
• B) Alveolar sacs
• C) Goblet cells
• D) Goblin cells

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Definitions:

T Tubule

Tubular extensions of the plasma membrane in muscle cells that penetrate into the cell's interior, crucial for transmitting the action potential to trigger muscle contraction.

Calcium Ions

Positively charged ions (Ca2+) essential for various cellular processes, including muscle contraction, nerve function, and blood clotting.

Sarcoplasmic Reticulum

The sarcoplasmic reticulum is a specialized type of smooth endoplasmic reticulum in muscle cells, involved in the regulation of calcium ion concentrations.

Papilledema

Swelling of the optic disc due to increased intracranial pressure, which can lead to vision impairment and is often a sign of serious neurological conditions.