The internal jugular veins join the subclavian veins to form the ________.
A. brachiocephalic veins
B. superior vena cava
C. azygos veins
D. axillary veins
E. external jugular veins
Answer: A
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Select the correct statement about the physical factors influencing pulmonary ventilation.
A) A decrease in compliance causes an increase in ventilation. B) A lung that is less elastic will require less muscle action to perform adequate ventilation. C) As alveolar surface tension increases, additional muscle action will be required. D) Surfactant helps increase alveolar surface tension.
Botulism
A) is the result of an attack on acetylcholine receptors by the immune system. B) is usually tied to a genetic predisposition. C) is a viral illness. D) results from the loss of acetylcholine receptors at the motor end plate. E) results from a bacterial toxin that prevents the release of acetylcholine at the axon terminals.
________________________________________ glands lubricate the skin and discourage bacterial growth on the skin
Fill in the blank(s) with correct word
At saturation, enzyme activity is maximal.
Answer the following statement true (T) or false (F)