Question

k is the chemical symbol for which of the following substances?
iron
barium
calcium
potassium
question 18
the term lithiasis is best described by which of the following?
abnormal condition of stones
dissolving
penetrating a cavity
constriction of tissue

Explanation:

In chemistry, the chemical symbol for potassium is K. In medical - terminology, "lithiasis" refers to an abnormal condition of stones. For example, kidney - lithiasis means kidney stones.

Answer:

First question: D. Potassium
Second question: A. Abnormal condition of stones