Introduction to Human Anatomy and Physiology

These flashcards cover key concepts in human anatomy and physiology, focusing on terms and definitions related to homeostasis, body systems, anatomical positions, directional terminology, and more.

Homeostasis is defined as __ of the internal environment of the body maintained by dynamic processes.

equilibrium

The body's desire to resist change and maintain stability is called __.

homeostasis

In positive feedback, reactions become __ and stronger.

more powerful

An example of a positive feedback mechanism is __.

childbirth

Negative feedback is the most common type of __ mechanism.

homeostasis

A common example of negative feedback is a __ system.

thermostat

Health is defined as the optimal state of __, mental, and social well-being.

physical

The anatomical position has the person standing straight with palms __ and down by their side.

facing forward

The proper term for the front of the body is __, while the back is called __.

anterior; posterior

The term for closer to the midline of the body is __, while further away is __.

medial; lateral

In terms of anatomy, means towards the head, while means towards the feet.

cephalic; caudal

The upper part of the body's regions contains the right upper quadrant, left upper quadrant, right lower quadrant, and __ quadrant.

left lower

The abdominal pelvic cavity is divided into __ sections resembling a tic-tac-toe board.

nine

The __ region is where the belly button is located.

umbilical

The __ plane divides the body into unequal left and right parts.

parasagittal

An oblique plane cuts the body at a __.

diagonal angle

The term refers to structures on the same side of the body, while refers to structures on opposite sides.

ipsilateral; contralateral

A superficial lesion is akin to a __, while a deep lesion requires __.

paper cut; stitches