Exam 1 Flashcards

0
Q

Anatomical position

A

a standard position of the body: standing erect, facing directly forward, feet pointed forward and slightly apart, and arms hanging down at the sides with palms facing forward. This position is used as a reference to describe sites or motions of various parts of the body.

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1
Q

Abdominal cavity

A

the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm.

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2
Q

Anatomy

A

the science of the structure of living organisms.

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3
Q

Anion

A

Ion carrying a negative charge

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4
Q

Anterior

A

In front

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5
Q

Atom

A

the smallest particle of an element with all the properties of the element; it consists of a positively charged nucleus (made up of protons and neutrons) and negatively charged electrons, which move in orbits about the nucleus.

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6
Q

Atomic numbers

A

Number of protons in each type of atom

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7
Q

ATP

A

Adenosine triphosphate; an adenosine-derived nucleotide that supplies large amounts of energy to cells for various biochemical processes, including muscle contraction and sugar metabolism, through its hydrolysis to ADP.

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8
Q

Blood pH

A

the hydrogen ion concentration of the blood, a measure of blood acidity or alkalinity. The normal pH values for arterial whole blood are 7.35 to 7.454; for venous whole blood, 7.36 to 7.41; for venous serum or plasma, 7.35 to 7.45.

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9
Q

Buffers

A

Mixture of an acid and a base that reduces any changes in pH that would otherwise occur in a solution when acid or base is added to the solution.

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10
Q

Cardiovascular system

A

the organs and tissues involved in circulating blood and lymph through the body ( circulatory system)

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11
Q

Carbohydrates

A

Compounds, such as cellulose, sugar, and starch, that contain only carbon, hydrogen, and oxygen, and are a major part of the diets of people and other animals.

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12
Q

Catabolism

A

All of the decomposition reactions that occur in the body. RELEASES ENERGY.

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13
Q

Cation

A

Ions carrying a positive charge.

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14
Q

Cephalic

A

Pertaining to the head.

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15
Q

CH4

A

METHANE
An odorless, colorless, flammable gas that is the major constituent of natural gas and is used as a fuel and as an important source of hydrogen. Also called marsh gas.

16
Q

Chemical energy

A

Energy liberated by a chemical reaction or absorbed in the formation of a chemical compound.

17
Q

Chemicals in human body

A

Oxygen, Carbon, Nitrogen, Hydrogen, Sulfurous, Calcium, phosphorous. Ect.

18
Q

Collagen

A

The fibrous protein constituent of bone, cartilage, tendon, and other connective tissue that converts into gelatin by boiling.

19
Q

Colloid

A

Atoms or molecules dispersed in a gaseous, liquid, or solid medium at resist separation from the liquid, gas, or solid.

20
Q

Compounds

A

Substance composed of two or more different types of atoms that are chemically combined

21
Q

Control center

A

the operational center for a group of related activities; “the general in command never left the control center”

22
Q

Covalent bond

A

Chemical bond characterized by the sharing of electrons

23
Q

Cranial cavity

A

Cavity enclosed by the cranium.

24
Q

Cytology

A

Study of anatomy, physiology, pathology, and chemistry of the cell.

25
Q

Deep

A

Extending far downward below a surface.

26
Q

Cells, tissues, and organs

A

1.

  1. any of the protoplasmic masses making up organized tissue, consisting of a nucleus surrounded by cytoplasm enclosed in a cell or plasma membrane. It is the fundamental, structural, and functional unit of living organisms. In some of the lower forms of life, such as bacteria, a morphological nucleus is absent, although nucleoproteins (and genes) are present.
  2. an aggregation of similarly specialized cells which together perform certain special functions.
  3. a somewhat independent body part that performs a special function.
27
Q

Developmental anatomy

A

The study of the structural changes of an individual from fertilization to adulthood.

28
Q

Digestive system

A

The alimentary canal and digestive glands regarded as an integrated system responsible for the ingestion, digestion, and absorption of foodstuffs and the elimination of associated wastes. Also called alimentary system.

29
Q

Dipole

A

a molecule having separated charges of equal and opposite sign.

30
Q

Distal

A

remote; farther from any point of reference.

31
Q

Dorsal cavity

A

Pertaining to the back

32
Q

Effector

A

an agent that mediates a specific effect.

33
Q

Electrical energy

A

energy made available by the flow of electric charge through a conductor.

34
Q

Electrons

A

an elementary particle with the unit quantum of (negative) charge, constituting the negatively charged particles arranged in orbits around the nucleus of an atom and determining all of the atom’s physical and chemical properties except mass and radioactivity.

35
Q

Elements

A

A part or aspect of something, esp. one that is essential or characteristic.
A small but significant presence of a feeling or abstract quality: “it was the element of danger he loved in flying”.