GMS6440 FUNDAMENTALS OF MEDICAL PHYSIOLOGY
ACTUAL QUESTIONS AND CORRECT ANSWERS
T or F: Cardiac muscle contraction is False
considered to be a voluntary movement.
T or F: In the gastrointestinal tract, smooth True
muscle is the major muscle type.
T or F: In our body, approximately 8 liters of True
intestinal juices are secreted into the GI tract
daily, but only 100 ml of water is secreted
into the feces.
What is the normal movement of blood Right atrium- right ventricle- lung- left atrium- left ventricle
through the heart?
Normally, humans have ___ lobes in the left 2, 3
lung and ___ lobes in the right lung.
In the lung, gas exchange occurs mostly in Alveoli
the _______
The urinary system is composed of ____ 2, 2, 2
kidneys, _____ ureters and ____ bladders.
Filtered waste from the glomerulus moves in Bowmans capsule- proximal tubule- loop of Henle- distal
what order, ending with the collecting duct? tubule- collecting duct
T or F: Both endocrine and nervous systems True
play important roles in controlling the
activities of many different organ systems to
maintain homeostasis.
Specificity of hormone action in the target Receptors
cells is determined by ________
T or F: The area of nerve axon not wrapped False. Nodes are non-insulated
by myelin sheath (non-myelinated area) is
called nodes of Ranvier where action
potential is insulated.
What chemical component of the plasma Lipids
membrane prevents ions from readily and
freely moving across the membrane?
Where is the concentration of [K+] greater: In the cytoplasm
Across a cell's plasma membrane, Passive through a channel
movement of water is ________ _.
Where is the concentration of [Na+] greater: Outside the cell
, For a neutrally charged molecule, "Active" From areas of low concentration to areas of high
transport means that the molecules move concentration
across a membrane:
What molecule is the source of energy for ATP
primary active transport to occur?
T or F: There is only one type of channel in False
cell membranes.
In primary active transport, solutes move Low, high
from an area of _____ concentration to an
area of _____ concentration.
T or F: Regarding secondary active transport False
of glucose, the movement of glucose is
from a compartment of high concentration
to a compartment of low concentration.
T or F: All transport through membrane False
channels is classified as "Active" transport.
T or F: Electrolytes are pumped and leak True
across cell membranes simultaneously but
independently.
At what point in time does the At equilibrium
electrochemical equilibrium potential exist?
What is a major factor that regulates an Concentration (chemical) gradient
electrolyte's electrochemical equilibrium
potential across a cell membrane?
T or F: The electrochemical equilibrium True
potential for a single highly permeant ion
species is controlled by the concentration
gradient.
Movement of a charged electrolyte is Voltage, chemical concentration
determined by the major forces of _________
plus_______gradients.
The cellular K+ Electrochemical Equilibrium Concentration differences
Potential is regulated by _______ across
plasma membranes.
Which of these ion choices is primarily K+
responsible for establishing a typical cell
membrane's "resting" potential?
Excessive extracellular acid (i.e., [H+] ) will True
raise the concentration of extracellular
potassium ion concentration.
ACTUAL QUESTIONS AND CORRECT ANSWERS
T or F: Cardiac muscle contraction is False
considered to be a voluntary movement.
T or F: In the gastrointestinal tract, smooth True
muscle is the major muscle type.
T or F: In our body, approximately 8 liters of True
intestinal juices are secreted into the GI tract
daily, but only 100 ml of water is secreted
into the feces.
What is the normal movement of blood Right atrium- right ventricle- lung- left atrium- left ventricle
through the heart?
Normally, humans have ___ lobes in the left 2, 3
lung and ___ lobes in the right lung.
In the lung, gas exchange occurs mostly in Alveoli
the _______
The urinary system is composed of ____ 2, 2, 2
kidneys, _____ ureters and ____ bladders.
Filtered waste from the glomerulus moves in Bowmans capsule- proximal tubule- loop of Henle- distal
what order, ending with the collecting duct? tubule- collecting duct
T or F: Both endocrine and nervous systems True
play important roles in controlling the
activities of many different organ systems to
maintain homeostasis.
Specificity of hormone action in the target Receptors
cells is determined by ________
T or F: The area of nerve axon not wrapped False. Nodes are non-insulated
by myelin sheath (non-myelinated area) is
called nodes of Ranvier where action
potential is insulated.
What chemical component of the plasma Lipids
membrane prevents ions from readily and
freely moving across the membrane?
Where is the concentration of [K+] greater: In the cytoplasm
Across a cell's plasma membrane, Passive through a channel
movement of water is ________ _.
Where is the concentration of [Na+] greater: Outside the cell
, For a neutrally charged molecule, "Active" From areas of low concentration to areas of high
transport means that the molecules move concentration
across a membrane:
What molecule is the source of energy for ATP
primary active transport to occur?
T or F: There is only one type of channel in False
cell membranes.
In primary active transport, solutes move Low, high
from an area of _____ concentration to an
area of _____ concentration.
T or F: Regarding secondary active transport False
of glucose, the movement of glucose is
from a compartment of high concentration
to a compartment of low concentration.
T or F: All transport through membrane False
channels is classified as "Active" transport.
T or F: Electrolytes are pumped and leak True
across cell membranes simultaneously but
independently.
At what point in time does the At equilibrium
electrochemical equilibrium potential exist?
What is a major factor that regulates an Concentration (chemical) gradient
electrolyte's electrochemical equilibrium
potential across a cell membrane?
T or F: The electrochemical equilibrium True
potential for a single highly permeant ion
species is controlled by the concentration
gradient.
Movement of a charged electrolyte is Voltage, chemical concentration
determined by the major forces of _________
plus_______gradients.
The cellular K+ Electrochemical Equilibrium Concentration differences
Potential is regulated by _______ across
plasma membranes.
Which of these ion choices is primarily K+
responsible for establishing a typical cell
membrane's "resting" potential?
Excessive extracellular acid (i.e., [H+] ) will True
raise the concentration of extracellular
potassium ion concentration.