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Patho FHEA Midterm Study Guide – Complete With Solutions
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Patho FHEA Midterm Study Guide – Complete With Solutions
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Patho FHEA Midterm Study Guide – Complete WithSolutions
Sodium (Na+), Calcium (Ca++), Chloride (CL-), and sodium bicarbonate
(HCO3-) are all examples of charged particles that share which of the
following common feature? Right Ans - More abundant in extracellular
fluid (ECF)
The single largest component of the animal cell membrane is: Right Ans -
Protein
Which of the following is a true statement about the funchtion of the cell
membrane? Right Ans - It maintains ICF (intracellular fluid) separate from
ECF (extracellular fluid)
Both Lysosomes and peroxisomes digest organic molecules. A primary
difference between the two is that: Right Ans - Peroxisomes use molecular
oxygen
Maintaining cell volume and membrane potential are important functions of
the: Right Ans - Cell Membrane
protein synthesis is a process in which organelles work together to synthesize
a mature protein. Which statement best describes the process by which
mature functional proteins are produced? Right Ans - The rough
endoplasmic reticulum manufactures proteins and the Golgi apparatus
modifies them with enzymes.
The cell membrane functions to: Right Ans - Act as an electrical unit.
The cytoskeleton is composed of actin, filaments, microtubules and
intermediate filaments. Which of the following is a true statement about the
cytoskeleton? Right Ans - Maintains organization of Organelles
The osmolality of ECF is: Right Ans - The same as ICF
, A variety of physiologic mechanisms are employed to transport fluid and
solutes across the cell membrane, which one of them is described by the
equation J= [D(A) (Cin-Cout)]/x? Right Ans - Difussion
Fick's first law of diffusion states that flux is decreased when --- is increased
Right Ans - Thickness of the membrane
Membrane potential is created by the separation of charges by the cell
membrane. The Cell membrane gets its change as a function of the ion:
Right Ans - That is drawn to the inner aspect of the membrane
The absolute refractory period is the time during which: Right Ans - No
stimulus can cause a second action potential.
The pressure gradient created when there are different concentrations of a
solute on either side of a membrane and the solute can not cross the
membrane is a function of: Right Ans - Osmosis.
Diffusion that utilizes a carrier-mediated process to allow the transport of
particles that are too large to move by simple diffusion is called: Right Ans -
Facilitated diffusion
when energy derived from the hydrolysis of ATP molecules is used to
transport ions against the concentration gradient, this is called: Right Ans -
Active transport
The upstroke of the action potential of various cell types is initiated through
the: Right Ans - Opening of sodium channels
Stages of the action potential include all of the following except: Right Ans -
Reverse stroke
The wave shape of the action potential can vary for different cell types. The
wave shape is primarily determined by the: Right Ans - Number and type
of ion channels utilized.
Cellular injury due to hypoxia can be fully reversed until: Right Ans -
Plasma membrane is damaged
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