Which of the following is more effective in producing bronchodilation?
A. Norepinephrine
B. Acetylcholine
C. Muscarine
D. Thyroxine
E. Nicotine
Answer: A
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Which of the following vessels does NOT drain into the axillary vein?
A) subscapular vein B) internal thoracic vein C) ventral thoracic vein D) long thoracic vein
Oxygen leaving your lungs as you read this is headed towards mitochondria where it will oxidize food fuels to form ATP. Some of that oxygen is also headed to another organelle that uses oxygen to detoxify harmful substances. That organelle is the __________.
A)Golgi apparatus B)lysosome C)peroxisome D)ribsome
Increased pressure in the aortic arch will activate the aortic arch reflex and cause
A. a decrease in the frequency of action potentials from the aortic baroreceptors. B. increased parasympathetic stimulation of the heart. C. vasoconstriction of peripheral vessels increasing the blood pressure. D. increased ADH secretion. E. increased sympathetic stimulation of the heart.
Which of these combinations of general senses depends on mechanoreceptors?
A. Proprioception and temperature B. Touch and temperature C. Pressure and proprioception D. Pressure and temperature E. Taste and smell