Exam: TOEFL

Definition: A type of X-ray image that shows the inside of a vein after a special dye is injected to make the vein visible.

Example: The doctor ordered a venogram to check for any blockages in the patient's veins.

Definition: A medical imaging technique used to take pictures of veins after a special dye is injected to make them visible.

Example: The doctor ordered a venography to check for any blockages in the patient's veins.

Definition: Describing something that produces venom or is capable of causing harm through poison.

Example: The venomous snake slithered silently through the grass, ready to strike.

Definition: In a way that is harmful or spiteful, often referring to words or actions that are intended to hurt someone.

Example: She spoke venomously, making it clear that she was angry.

Definition: The state or quality of being able to produce venom, which is a toxic substance used by some animals to harm others.

Example: The venomousness of certain snakes makes them dangerous to humans.

Definition: Relating to the veins, especially in the context of blood that is low in oxygen and usually dark red.

Example: The doctor explained how venous blood returns to the heart after circulating through the body.

Definition: To be released or let out through an opening, or to come to the surface to breathe, especially in the case of marine animals.

Example: The whale vented air as it surfaced for a breath.

Definition: An opening that allows air, gas, or liquid to escape or enter, often found in clothing, buildings, or natural formations.

Example: The room was stuffy, so I opened the vent to let in some fresh air.

Definition: To release or let out something, such as air or feelings, through an opening or by expressing it.

Example: She needed to vent her frustrations after a long day at work.

Definition: To allow fresh air to enter a space or to circulate air in order to improve air quality.

Example: We need to ventilate the room to get rid of the stale air.

Definition: The process of providing fresh air to a space or the system that helps circulate air, making it healthier and more comfortable.

Example: Good ventilation is important in keeping indoor air fresh and reducing humidity.

Definition: A machine that helps people breathe by providing fresh air and removing stale air, often used in hospitals for patients who cannot breathe on their own.

Example: The patient was placed on a ventilator to assist with their breathing during the surgery.