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Anatom I final key 1
Question | Answer |
---|---|
study of the structure and organization of the human body | anatomy |
Anatomy moving nutrients through the wall of the digestive tract to be taken to cells | Efferent. |
cuts the body lengthwise from side to side: | Coronal plane |
heavy, rounded physique: | endomorph |
disease is native to a region | endemic |
formed by transfer of electrons | ionic bond |
ions with a positive charge | cations |
“reservoirs” for H+ ions | cations |
amino acids that cannot be produced by the human body | essential |
have the following nucleotides: G, C, A, and T | DNA |
elevated levels of CO2 | hypercapnia |
“little organs” | organelles |
DNA in non-dividing cells | chromatin |
“spot welds” that hold adjacent cells together | desmosomes |
solution with higher potential osmotic pressure | hypertonic |
reduces activation energy needed to start a reaction | catalyst |
does not require O2 | anaerobic |
The correct order from the most complex to the simplest is | organism, system, organ, tissue, cellular, molecular. |
Which skeletal system provides support, protection of soft tissue, mineral storage, and blood formation? | skeletal muscle |
The maintenance of a relatively constant internal environment in an organism is termed: | homeostasis. |
Abdominopelvic regions | right hypochondriac, right inguinal region, left lumbar, left hypochondriac. |
The right hypochondriac, right inguinal region, left lumbar, left hypochondriac are all | abdominopelvic regions. |
The two major divisions of the ventral body cavity are | the thoracic and abdominopelvic. |
Visceral pericardium is located on | the heart itself. |
The weakest bond between two atoms is | the hydrogen bond. |
AB → A + B is | to decomposition. |
A + B → AB | is to synthesis. |
Carbohydrates are not an example | of an inorganic compound. |
A base removes what kind of ions? | hydrogen ions. |
an acid releases what kind of ions? | hydrogen ions. |
When two monosaccharides undergo a dehydration synthesis | a disaccharide is formed. |
An amino acid is to a protein as a nucleotide is to a | nucleic acid. |
The rough endoplasmic reticulum consists | of a network of intracellular membranes with attached ribosomes. |
The Golgi apparatus does not sends what to the RER? | transport vesicles to the Rough Endoplasmioc Reticulum. |
Diffusion of a substance across the cell membrane is not influenced | by hydrolysis of ATP. |
The intake of small membrane vesicles from the extracellular fluid is | called endocytosis. |
A defense cell engulfing a bacterium illustrates | phagocytosis. |
In order to maintain cellular homeostasis, what does a exchange pump do? | one particular exchange pump ejects sodium ions from the cell and imports potassium ions. |
The mouth is ______ to the chin. The mouth is ____to the nose. | 1. superior_ 2. _inferior_ |
The knee lies at the ¬¬_____end of the lower leg. The ankle lies at the ____of the lower leg. | _proximal_ 2. _distal_ |
The thumb is ¬¬¬¬____to the middle finger. The little finger is ____ to the middle finger. | 1. _lateral_. 2. _medial |
List the FOUR major types of tissues found in the human body | 1. Epithelial. 2. Connective. 3. Muscle. 4. nervous |
What are the FOUR basic components of homeostatic control mechanisms? | sensor mechanism, integration or control center, effector, feedback. |
Give an example of a negative feedback control system: | air conditioner or body heat production (there are other acceptable answers). |
Give an example of a positive feedback control system | child birth or blood clotting (there are other acceptable answers). |
List the THREE levels of control seen throughout the body | intracellular, intrinsic, extrinsic. |
Explain the difference between signs and symptoms. | signs: objective; can be measured by someone else. symptoms: can only be felt by patient; subjective. |
What are the FOUR elements that make up 96% of all material in the human body? | carbon, hydrogen, oxygen, nitrogen. |
What are the THREE parts of an atom? | Protons, neutrons, electrons. |
List the THREE important properties of water discussed in lecture. | efficient solvent/it is polar, high specific heat, high heat of vaporization. |
What is a neutralization reaction? Give an example. | reaction between an acid and a base. HCl + NaOH (arrow) NaCl + H2O. |
Explain the difference between saturated and unsaturated fatty acids. | saturated: all available bonds are filled. Unsaturated: contains 1 or more double bonds. |
What are the four levels of protein structure? Describe each level. | Primary: number, kind, and sequence of amino acids. SEcondary: amino acid chain, coiled or bent. Tertiary: structure folded into a globular shape. quarternary: more than 1 polypeptide 3° structure link together. |
Describe the structure of plasma membranes and how they are held together. | phospholipid bilayer: hydrophilic heads face outward and hydrophobic tails face inward. Held together by chemical attractions. |
What is the function of ribosomes? | protein synthesis. |
What is the function of lysosomes? | “digestive bag” or “garbage disposal.” |
What is the function of proteasomes? | “protein destroyer” |
Describe the structure of a mitochondrion. Where does ATP synthesis takes place? | 2 membranes; inner membrane folded into cristae. ATP synthesis occurs on inner, folded membrane. |
What are the THREE cell fibers that make up the cytoskeleton? | Microfilaments, intermediate filaments, microtubules. |
List the TWO different types of membrane transport and explain the difference between the two. | passive: does not require cell energy. active: DOES require cell energy. |
What would happen if red blood cells were put into a hypertonic solution? | cells will shrivel. |
What would happen if red blood cells were put into a hypotonic solution? | cells will swell |
What are the TWO different forms of endocytosis? | phagocytosis, pinocytosis. |
What are the THREE chemical pathways that are involved in cellular respiration? | glycolysis, citric acid cycle (Kreb’s cycle), electron transport system (ETS). |