Phospholipids are important components of the plasma membrane. What does "C" represent on the diagram?
A. phosphorus
B. oxygen
C. nitrogen
D. polar (hydrophilic) region
E. nonpolar (hydrophobic) region
C
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Which of the following joints is not monaxial?
A. The humeroulnar joint B. The interphalangeal joints C. The atlantoaxial joint D. The tibiofemoral joint E. The trapeziometacarpal joint
The symptom of shin splints is ________
A) Pain in the tibia B) Bruising of the shins C) Swelling in the wrist D) Patellar displacement
The salt level in the nephron is particularly high in comparison to its surrounding environment. Which of the following will most likely occur?
A) The salts will move from high to low concentration. B) The salts will move into the descending loop. C) Other dissolved substances will move into the nephron. D) The fluid in the nephron will move into the surrounding environment.
How can norepinephrine stimulate the contraction of smooth muscle in one organ and the relaxation of smooth muscle in another organ?
A. The two organs have different cholinergic receptors for NE. B. The two organs have the same adrenergic receptors for NE. C. The two organs have different adrenergic receptors for NE. D. This is not possible, as a neurotransmitter will always have the same effect no matter what organ receives it.