All Quizzes Flashcards
What’s the smallest level of structural organization in the human body?
Chemical level
Simple to most complex for levels of organization in the body?
Chemical level, tissue level, organ level, organ system level, organism level
Study of tissues is called
Histology
What organ system includes blood vessels and the heart?
Cardiovascular system
When in anatomical position, the palms of hands are assumed to be facing ?
Forward
What direction term indicates the front side of the body?
Anterior/ventral
Body parts that are are described as medial are considered to be?
Closer to the midline of the body
What surface are the palms on in anatomical position?
Anterior/ventral surface
Is the vertebral region superior to the cephalic, cervical, occipital or sacral region?
Sacral region
Hat is The plane that divides the body into superior and inferior parts?
Transverse (honizontal) plane
What major organs are housed in the thoracic cavity?
Lungs, heart, esophagus, and trachea
The thoracic cavity is situated superior to the abdominopelvic cavity and separated by the diaphragm so the diaphragm creates what kind of plane?
Transverse plane or cross section
What organ is covered by the pleura?
Lungs
A cell or organ that responds to the direction of the control Center in a negative feedback loop is termed as what?
Effector
What type of feedback increases or enhances the effects of the variable?
Positive
When blood flows from the arteries to capillaries because blood pressure in
arteries is higher Than capillaries, what is this an example of ?
Pressure gradient
What cavity is the left lung housed?
Pleural cavity
What in the main component of cytosol?
Water
What are the molecular machines that perform special functions for the cell called?
Organelles
What kind of diffusion moves carbon dioxide through a phospholipid bilayer with it’s concentration gradient?
Simple diffusion
How are sodium ions moved with their concentration gradient with the use of a protein channel across a plasma membrane?
Facilitated diffusion
What process are aquaporins employed?
Osmosis
Cellular swelling is likely to occur when blood cells are immersed in what kind of solution?
Hypotonic solutions
What best describes a cell’s response to being placed into an extracellular solution that is hypertonic to the cytosol?
Crenation
What are active transport processes?
They require cells to expend energy
What are the 2 types of active transport via vesicles?
Endocytosis and exocytosis
Which transport processes are functionally opposite to one another?
Endocytosis and exocytosis
Which subatomic particle carries a negative charge?
Electron
How many electrons does the intermost shell of an atom hold?
2 electrons
If iron has an atomic number of 26, what does this mean?
It has 26 protons
What does the atomic number of an atom represent?
Protons in an atom
Determine the number of protons in an isotope of nitrogen with an atomic number of 7 and a mass ‘ number of 14?
7
What does Carbon- 13 mean?
Carbon-13 represents an isotope of carbon with an mass number of 13
If an atom has 3 electrons in its valence shell, what is the atomic number of the atom?
13
What type of reaction releases energy?
Exergonic
What solution is water most likely to dissolve a solute?
Hydrophilic
What does the h in pH scale mean?
Concentration of hydrogen ions in The solution
What pH represents a solution that has a high concentration of hydroxide ions?
14
Which of the following represents a strong acidic solution?
1
What is the function of a buffer system?
Prevents large swings in pH when an acid or base is added to a solution
What does hydrolysis of a polymer produce?
Monomers
What is a simple sugar example?
Glucose
What does the combination of glucose and fructose produce?
Sucrose
What are amino acids monomers for:
Proteins