Which Is Not an Adaptation Seen in Fish Gills

question 76

Multiple Choice

Which is not an adaptation seen in fish gills?

• A) A countercurrent exchange system
• B) Bidirectional ventilation
• C) Morphological features that increase the surface area available for gas exchange
• D) Morphological features that decrease the path length for diffusion of the respiratory gases
• E) Morphological features that maximize the efficiency of O₂ extraction

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Definitions:

American Society of Anesthesiologists

A professional organization dedicated to advancing the practice and study of anesthesiology.

Postoperative Analgesia

Pain relief measures and medication provided after surgery to alleviate discomfort.

PCA Pump

A patient-controlled analgesia pump, allowing patients to self-administer a controlled amount of pain medication.

Pain Medications

Drugs used to alleviate discomfort or pain.