Recall

question 15

Multiple Choice

Recall

• A) is not as challenging as recognition.
• B) is the simplest form of memory.
• C) involves remembering a stimulus with perceptual support.
• D) improves steadily with age.

---

Definitions:

Bacteria

Single-celled, microscopic organisms that can be found in almost every environment on earth, some of which are beneficial and others harmful to humans.

Macrophages

Large phagocytic cells found in tissues or as mobile white blood cells at sites of infection, playing essential roles in the immune response and tissue homeostasis.

Phagocytic Activity

Refers to the process by which certain cells engulf and digest foreign particles, bacteria, and other microorganisms.

Cytokines

Small proteins released by cells, especially immune cells, that act as signaling molecules in the immune system and inflammation.