Exam: TOEFL

Definition: A type of surgery that involves grafting or transplanting the cornea, which is the clear front part of the eye.

Example: The doctor recommended keratoplasty to improve the patient's vision.

Definition: A condition where there is an abnormal growth of thickened skin tissue, often resulting in rough patches or lesions.

Example: The doctor diagnosed her with keratosis after examining the rough spots on her skin.

Definition: A raised edge along a street or road, often made of stone or concrete, that separates the pavement from the roadway.

Example: The children played safely on the pavement, away from the busy road and the kerb.

Definition: Referring to a typeface where the spacing between characters has been adjusted to improve readability or appearance.

Example: The designer kerned the text to make it look more balanced and visually appealing.

Definition: A small, hard seed or grain that is found inside a fruit or plant, often edible and surrounded by a husk or shell.

Example: The farmer harvested the corn kernels to sell at the market.

Definition: A type of flammable liquid used as fuel, especially in heating and jet engines.

Example: The airplane was fueled with kerosine before takeoff.

Definition: A thick, smooth sauce often made from tomatoes, used as a condiment for food.

Example: I like to put ketchup on my fries.

Definition: The process in which the body produces ketone bodies, typically during periods of low carbohydrate intake or fasting, often seen in conditions like diabetes.

Example: During fasting, the body enters a state of ketogenesis to provide energy from fat stores.

Definition: A condition where there is too much ketone in the blood, often linked to the breakdown of fats in the body.

Example: The doctor diagnosed her with ketonemia after reviewing her blood test results.

Definition: A medical condition where substances called ketone bodies are found in urine, often indicating that the body is using fat for energy instead of carbohydrates.

Example: The doctor tested for ketonuria to check if the patient was in a state of ketosis.