Vocabulary Quiz 2 Flashcards
Anion
Negatively charged ion.
Atom
The smallest units of matter that reatin the properties and characteristics of an element.
Atomic Number
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Auscultation
Examination by listening to sounds in the body
Cation
Positively charged ion.
Dehydration Synthesis
The monomers combine with each other via covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.
To put together while losing water.
Diagnosis
Distinguishing one disease from another or determining the nature of a disease from signs and symptoms by inspection, palpitation, laboratory tests, and other means.
Effector
Small molecule that selectively binds to a protein and regulates its biological activity.
Electron
Negatively charged; moves about in a large space surrounding the nucleus.
Homeostasis
The condition in which the body’s internal environment remains relatively constant within physiological limits.
Hyrdolysis
To loosen or break apart.
Isotope
Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
Mass Number
Atom’s sum of protons and neutrons.
Negative Feedback
Reverses a change in a controlled condition.
Neutron
Subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
Positive Feedback
Strengthens a change in one of the body’s controlled conditions.
Palpation
Method of feeling with the fingers or hands during a physical examination. The health care provider touches and feels your body to examine the size, consistency, texture, location, and tenderness of an organ or body part.
Prognosis
The likely course of a disease or ailment.
Proton
Positively charged; moves about in a large space surrounding the nucleus.
Receptor
Specialized cell or distal portion of a neuron that responds to a specific sensory modality, such as a touch, pressure, cold, light, or sound, and converts it to an electrical signal. A specific molecule or cluster of molecules that recognizes and binds a particular ligand.
Sign
Any objective evidence of disease that can be observed or measured, such as a lesion, swelling or fever.
Symptom
Subjective changes in body functions that are not apparent to an observer,
