Which characteristic is relevant to the endocrine system but not to the nervous system?
a. Releases chemicals into synaptic clefts.
b. Chemical signals operate at short distances.
c. Speed of response is very rapid.
d. Released chemicals may target cells far away.
e. Anatomically a "wired" system.
D
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Sarah is a type 1 diabetic who forgot to bring her insulin today. By the end of the day, Sarah is not feeling well. Which would NOT be a characteristic of Sarah at the end of the day with no insulin injections?
A. Increased glucose-bound hemoglobin B. Decreased blood pH C. Increased urination frequency D. Decreased glycogen stores in muscles E. Decreased thirst
________ support, protect, and nourish nerve cells
A) Nurse cells B) Neuroglia C) Neurons D) Nurturons E) Nutrient cells
Which is not an action of interferon?
A. It triggers synthesis of enzymes that destroy viral nucleic acids. B. It signals the immune system that the secreting cell is part of the body and so should not be attacked. C. It binds to receptors of neighboring cells preventing them from being infected. D. It stimulates macrophages and NK cells to destroy virus-infected cells.
Cachetin is a ____ associated with a ____
a. carbohydrate, high blood sugar. b. carbohydrate, chronic wasting condition. c. lipid, type of obesity. d. protein, chronic wasting condition. e. protein, type of obesity.