The ____ glands in the mucous membrane lining the mouth secrete small amounts of saliva
a. parotid
b. submaxillary
c. sublingual
d. buccal
d
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Although B-cells (as plasma cells) are specialized to secrete antibodies, they require the assistance of a number of other types of cells, including
a. macrophages. b. dendritic cells. c. T-helper cells. d. all of these. e. none of these.
What is membrane potential?
A. The rate of ATP production and transport by mitochondria. B. The ability of a membrane to actively transport carbohydrates out of the cytoplasm. C. The electrical charge difference across the membrane caused by ion movement. D. The ability of molecules to pass through the nuclear membrane.
Most energy storage in the body is accomplished by which of the following cells?
A) macrophages B) lymphocytes C) adipocytes D) fibroblasts E) melanocytes
Sweat glands and arrector pili muscles are controlled
A. only by the parasympathetic nervous system. B. only by the sympathetic nervous system. C. by both the sympathetic and parasympathetic nervous systems. D. by both the autonomic and somatic nervous systems.