PTE

a large abdominal organ that processes nutrients and other substances, makes bile, and performs many metabolic functions

the ability of a muscle or group of muscles to produce force

the network of the brain, spinal cord, and nerves that receives information and coordinates bodily activity

an epidemic that spreads across many countries or continents and affects a large population

an instruction from an authorized health professional for a named patient to receive or use a medicine, issued on paper or electronically

a method of treating a physical or mental health problem, often through a planned series of activities or procedures

the passing of an infectious agent from a source to another person or host

a blood vessel that carries blood toward the heart

a clinic where patients can receive basic care without making an appointment

Behavior intended to harm another person, physically or psychologically.

Changes in thinking, remembering, reasoning, and understanding over a person's life.

Involving awareness of what one is thinking, feeling, or doing.

A person who tends to seek social interaction and stimulation from people and activities around them.

A perception that differs from the physical properties of the thing being perceived.

A sudden urge to do something, often without prior planning.

Acting quickly in response to an urge without much consideration of the consequences.

A person who tends to be more oriented toward inner thoughts and quieter, less socially stimulating activities.

Memory that keeps knowledge, experiences, and skills available over extended periods of time.

The act of following rules or direct instructions, especially those given by an authority.

Learning by watching other people's behavior and the consequences or results of that behavior.

A visual experience in which an object appears different from its actual size, shape, position, or other physical properties.

In behavioral learning, a consequence that makes the behavior it follows less likely to occur again.

The identification of something as having been encountered before.

To make a behavior more likely to occur again through a consequence that follows it.

An experience produced when the senses detect stimulation, such as pressure, sound, or light.

The temporary holding of a limited amount of information for immediate use.

Happening or influencing behavior without a person being aware of it.

The distribution of people among different age groups in a population.

A population in which older people make up an increasing share of the total.