Olfactory organs are located in the nasal cavity inferior to the perforated bony structure known as the
A) superior nasal concha.
B) sphenoid bone.
C) cribriform plate.
D) nasal septum.
E) frontal bone.
Answer: C
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Approximately 45 percent of blood volume is composed of the
A) clotting factors. B) formed elements. C) leukocytes. D) plasma. E) antibodies.
Which of the following is not an age-related change affecting the heart?
A) atherosclerosis B) decline in cardiac reserve C) fibrosis of cardiac muscle D) thinning of the valve flaps
Bulk flow refers to the volume of blood ejected by each ventricle each minute
Indicate whether the statement is true or false
A 25-year-old woman with asthma is brought to the emergency department secondary to an acute asthmatic attack. She is using her sternocleidomastoid and internal/external intercostal muscles to breath. This can be interpreted as:
A. improved status, no intervention needed B. worsening status, intervention needed C. normal breathing pattern, no intervention needed D. airways are bronchodilating