Explain how to use the mnemonic ABCD when checking for signs of skin cancer


When checking for signs of skin cancer one can take a careful look at the appearance of existing moles. The mnemonic ABCD assists with this process because each letter corresponds with a physical characteristic of moles. A stands for asymmetry (healthy moles appear symmetrical); B stands for border (healthy moles have a regular, well defined border); C stands for color (healthy moles have a single color); D stands for diameter (healthy moles have a diameter of less than 5 mm).

Anatomy & Physiology

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The __________ distance is the effective diffusion distance for oxygen from the capillary into the surrounding tissue

Fill in the blank with the correct word.

Anatomy & Physiology

The mammary glands are modified ________

A) ceruminous glands B) sebaceous glands C) areolar glands D) lacrimal glands E) sweat glands

Anatomy & Physiology

What is the dialysis tubing simulating when demonstrating the function of the nephron?

A) Collecting duct B) Renal pelvis C) Filtration membrane D) Blood flow

Anatomy & Physiology

The prevention of change, by ignoring minor variations and maintaining a normal range rather than a fixed value, is characteristic of

A) positive feedback. B) stimulus reinforcement. C) negative feedback. D) effector control. E) both positive and negative feedback loops.

Anatomy & Physiology