Which one represents a second-class lever?
a) A
b) B
c) C
d) All of these choices
e) None of these choices
b
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Fibrous joints are the first to change with age.
Answer the following statement true (T) or false (F)
Correctly match the term and definition: The fusion of a vesicle with the plasma membrane to move substances out of the cell.
A)Exocytosis B)Osmosis C)Endocytosis D)Primary active transport E)Diffusion
What function do the C-shaped tracheal cartilages allow?
A) Allow room for the trachea to expand if you inhale a large volume of air. B) Allow room for the esophagus to expand during swallowing. C) Allow room for blood pulses to expand the common carotid artery without interfering with air flow. D) Allow the trachea to collapse on itself when no inhalation or exhalation is occurring to reduce space in the mediastinum. E) Allow gas diffusion to occur around the cartilage surfaces and the tissues of the mediastinum.
Increased sympathetic tone can do all of the following except
A) produce venoconstriction of blood reservoirs. B) increase the glomerular filtration rate. C) increase cardiac output. D) stimulate peripheral vasoconstriction. E) increase systemic blood pressure.