Which of the following intensifies the effect of interferons and promotes the rate of repair?
a) Complement proteins
b) Perforin
c) Fever
d) Macrophages
e) Natural killer cells
c
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Which property is most consistent in the majority of connective tissues?
A.) Avasculartiy B.) Large amounts of ground substance C.) Large number of connective fibers D.) Greater amount of extracellular matrix compared to cellular content
Breathing centres accessory for the medulla oblongata are located in which brain areas:
a) cerebellum b) pons c) hypothalamus d) midbrain
Shivering in response to a cold draft is an example of
A. feedforward regulation. B. a homeostatic mechanism. C. Two of the choices are correct. D. positive feedback. E. acclimation.
Ethyl (drinking) alcohol stimulates the secretion of ADH, thereby reducing reabsorption by the collecting duct
Indicate whether the statement is true or false