anatomy test 1

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T/F: a tissue is more complex than an organ.

False

an organelle is best described as ____.

a microscopic structure in a cell that carries out individual function

the type of receptor located in the heart, aortic arch, and carotid sinuses that trigger autonomic reflexes in response to fluctuations in blood pressure are known as ______.

baroreceptors

identify the example of a physiological negative feedback mechanism

body temp

select all that are examples of a positive feedback mechanism:

contractions during childbirth, formation of a blood clot

the internal state of the body is best described as an _____ equilibrium, where there is a set average point and conditions fluctuate around that point

dynamic

a molecule, cell, or organ that carries out a response to a stimulus is a ____

effector

terms that identify the discoverer of a structure are called ___.

eponyms

the ability of nerve and muscle cells to produce changes in membrane voltage is known as:

excitability

name the general process of eliminating metabolic waste products from the body

excretion

a difference in chemical concentration, electrical charge, physical pressure, temperature, or other variable between one point and another is a ____.

gradient

name the term for any molecule of large size and high molecular weight, such as a protein, nucleic acid, polysaccharide, or triglyceride:

macromolecule

name the structure made by joining two or more different atoms

molecule

purged eponyms from terminology and included only latin terms. devised in the late 1800s

nomina anatomica

a microscopic structure in a cell that carries out individual functions is known as an

organelle

the term that indicates a single complete individual is ______

organism

fill in the correct term for the following sequence: Macromolecules, organelles, cells, tissues, _______, organ system, organism.

organs

name the subdiscipline of physiology that is concerned with the mechanisms of disease

pathophysiology

medical mistakes, such as prescribing the wrong dose of medication can result from failure to consider ____.

physiological variation

the integrating center of a feedback mechanism

processes information, relates it to other information, and makes a decision of action

_____ is a bunch of medicine that utilizes medical imaging technologies to explore the interior of the body

radiology

included latin and commonly used English terms. Devised ln 1998.

terminologica Anatomica

an aggregation of cells and extracellular materials, which perform a discrete function, is known as _____

tissue


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