All the following compensate for a fall in blood pressure below normal except
a. increased cardiac output
b. decreased total peripheral resistance
c. increased heart rate
d. venous vasoconstriction
e. increased stroke volume
B
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__________ neurons relay information from integrating centers such as the brain to effector organs like muscles or glands
Fill in the blank with the correct word.
What is the role of cilia in the respiratory tract?
A) Cilia in the upper respiratory tract direct mucus to the pharynx so that it can be swallowed. Stomach acids subsequently destroy any respiratory irritants trapped in the mucus. B) Cilia trap respiratory irritants such as dust and other small particles. C) Cilia produce mucus. D) Cilia are present on the surface of cells that line the trachea, but they have no defined function in the respiratory system.
During contraction of a muscle, calcium ions bind to...
What will be an ideal response?
Early signs and symptoms of increased intracranial pressure include:
A) headache and vomiting. B) hypertension and bradycardia. C) widening of the pulse pressure. D) arm flexion and leg extension.