Ch2/Test I

____ is anything that has mass. (takes up space)

Matter is made up of ________

Atoms join together to form _________ with different characteristics 

*these characteristics determine physiology at the molecular and cellular level

Atoms are composed of ______

______ have positive charge and 1 mass unit

_______has no charge (neutral) and 1 mass until.

______has a negative charge and 0 mass units

______ is found in the center of the cell.

______ charges forms the cloud

Protons and Neutrons are found in the _____

_______ are found in the electron cloud.

_______ is a pure substance containing only one kind of atom.

Elements are defined by the ___________ of their atoms

Atomic # = __________

_________= Number of protons

The ________ determines many of the chemical characteristics of an element.

There are _____ known elements, the human body is primarily composed of ____ of them

Mass = _______+_________

Oxygen

Carbon

Hydrogen

Calcium

Sodium

Chlorine

Magnesium

Sulfer

Iron

Iodine

_______ is another number we use to describe an atom

Atoms of the same element that have 
   *same atomic number (same element)
   *different mass number 
are ______?

______ are always whole numbers

The average mass number of all isotopes in a element is the _________

_______ all rarely be a whole number

_______ is a weighted average. 
will be closest number to the atomic mass of most common isotope.

_______ are electrically ________

number of _______= number of __________

The likelihood of forming bonds with other atoms is ________

Electrons in the _______ determine an atoms reactivity.

Big number - small number gives you the number of _______?

_________ are unstable isotopes whose nuclei can spontaneously break down.

_______ emits subatomic particles (radiation)

_______is the outermost shell containing electrons

________ involve the sharing, gaining, or losing of electrons in the valence shell.

The shell closest to the nucleus can hold ____ the next two can hold _____

How do isotopes of the same element differ from one another?

_______ is an unstoppable isotope whose nuclei can spontaneously break down.

_________ can be used in the clinic for diagnostic procedures like PET scans.

_______ can cause cancer

What do ionic and covalent bonds have in common?

What are the 3 subatomic particles

Which kind of bond connects hydrogens to oxygen in a single molecule of water?

What attracts water molecules to one another?

How does calcium ion differ from calcium atom?

Organ, Superficial and systemic are all examples of ________

Neon has an atomic number of 10, why is it not reactive?

The 3 components of a homeostatic feedback loop are?

The_______ is found around the digestive, urinary and reproductive organs.

________ refers to palpable (touchable) structures.

The ______ is a combination of the abdominal cavity above the hip bones.

The _______ is within the hip bones.

The _________ contains the digestive, urinary and reproductive organs.

Most of the abdominopelvic cavity is lined by a serous membrane called the _______ creating a _________.

The 3 serous membranes in the human body are?

The ______ layer lines the cavity

The _______ layer covers the organs

All serous membranes consist of a ______ layer and a ______ layer.

________covers the heart.

________ lines the pericardial cavity

________ covers each lung

_________ lines each pleural cavity

________covers most organs of the abdominopelvic cavity

major exceptions include the kidneys an rectum

________ lines most of the adominopelvic cavity

The study of the location of structures on or near the body surface is______?

__________ is used to describe the relationship between multiple landmarks or regions.

Arms at sides, palms forward, feet together is called ________

Lying down, face up

Lying face down

Two examples of Anatomical regions is

________ are commonly used by patients to describe aches, pains and injuries. 

4 divisions

_______ are sometimes preferred by anatomists to refer to a more specific area. 

9 divisions