Question 1

Which of the following statements is FALSE?

Accepted Answer

A)  Hormones are long distance signaling molecules. 
B)  Nanotubes allow the movement of organelles between adjacent cells. 
C)  Cytokines may act as small, long distance signaling molecules. 
D)  Paracrine signaling molecules are one type of chemical communication between
Organisms. 
E)  Steroids are hydrophobic molecules derived from cholesterol. 
A)  Hormones are long distance signaling molecules. 
B)  Nanotubes allow the movement of organelles between adjacent cells. 
C)  Cytokines may act as small, long distance signaling molecules. 
D)  Paracrine signaling molecules are one type of chemical communication between
Organisms. 
E)  Steroids are hydrophobic molecules derived from cholesterol.

Question 2

Potassium efflux from most cells is driven by

Accepted Answer

A)  the concentration gradient for potassium. 
B)  the charge gradient across the membrane. 
C)  the concentration gradient for sodium. 
D)  the action of the Na+-K+ pump. 
E)  none of these. 
A)  the concentration gradient for potassium. 
B)  the charge gradient across the membrane. 
C)  the concentration gradient for sodium. 
D)  the action of the Na+-K+ pump. 
E)  none of these.

Question 3

Match each sentence with the most appropriate choice:
-Nernst equation

Accepted Answer

A)  Potocytosis 
B)  secretion 
C)  ATP 
D)  PIP9 
E)  cAMP
F) DAG
G) Ca2+
H) equilibrium potential
I) cell volume
J) receptor 
A)  Potocytosis 
B)  secretion 
C)  ATP 
D)  PIP9 
E)  cAMP
F) DAG
G) Ca2+
H) equilibrium potential
I) cell volume
J) receptor

Which of the following statements is FALSE?

Potassium efflux from most cells is driven by

Match each sentence with the most appropriate choice: -Nernst equation

Homeostasis and Integration: The Foundations of Physiology

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Exam 3: Membrane Physiology

Which of the following statements is FALSE?

Potassium efflux from most cells is driven by

Match each sentence with the most appropriate choice: -Nernst equation

Homeostasis and Integration: The Foundations of Physiology

Cellular and Molecular Physiology

Neuronal Physiology

Nervous Systems

Sensory Physiology

Endocrine Systems

Muscle Physiology

Circulatory Systems

Defense Systems

Respiratory Systems

Excretory Systems

Fluid and Acid-Base Balance

Digestive Systems

Energy Balance and Thermal Physiology

Reproductive Systems

Filters