Which of the following is an infection?
A. Lyme disease
B. Bursitis
C. A sprain
D. Osteoarthritis
Answer: A
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Among the functions of the plasma membrane are to form specialized intercellular connections, provide for selective permeability, and facilitate the recognition and response to molecular signals
Indicate whether this statement is true or false.
An anesthetic is an agent that provides:
A) loss of feeling B) a sedation C) anti-inflammatory affects D) immobilization E) B and C
Describing a physiological variable as "homeostatic" means that it
A. has varied from the normal value, and will remain constant at the new value. B. is in an equilibrium state that requires no energy input to stay at the normal value. C. has no normal range, but will just change to match the outside environmental conditions. D. never varies from an exact set point value. E. is in a state of dynamic constancy that is regulated to remain near a stable set point value.
What is the name of the vesicle at the tip of a sperm cell that contains enzymes that will help the sperm cell penetrate an egg cell it encounters?
A) scrotum B) amnion C) chorion D) Sertoli cell E) acrosome