8Cilia of the trachea that beat continuallypropel contaminated mucusToward the throat to be swallowed or spat outToward the nose to be sneezed outToward the epiglottis to be coughed outToward the lungs to be encapsulatedToward the glottis to be hiccupped out
9Answer:Toward the throat to be swallowedor spat out
10Which one of the following is not part of therespiratory zone?Respiratory bronchiolesAlveolar ductsAlveolar sacsAlveoliPrimary bronchi
16The most important chemical stimuli leadingto increased rate and depth of breathing isDecreased oxygen level in the bloodIncreased blood pHIncreased carbon dioxide in the bloodIncreased hydrogen ion in the bloodDecreased carbon dioxide in the blood
22Which of the following represents the correctpath for the transmission of an impulse in theintrinsic conduction system of the heart?AV node SA node bundle of His R & L bundle branches Purkinje fibersAV node bundle of His SA node Purkinje fibers R & L bundlebranchesSA node AV node bundle of His R & L bundle branches Purkinje fibersSA node AV node R & L bundle branches bundle of His Purkinje fibers
23Answer:SA node AV node bundle of His R & L bundlebranches Purkinje fibers
24What causes the “Dup” sound whenauscultating the heart?
26What effect does the vagus nerve have onheart activity and cardiac output?No change in heart rate and decreased cardiacoutput.Decreased heart rate and decreased cardiac output.Decreased heart rate and increased cardiac output.Increased heart rate and increased cardiac output.Increased heart rate and decreased cardiac output.Decreased heart rate and no change in cardiacoutput.
66Which one of these is not a main function ofthe kidney.Manufacture urineConvert vitamin D to its active formDispose of metabolic waste productsRegulate blood volumeRegulate blood pHAid in digestion