In this sagittal section showing the upper respiratory tract, what structure does number 4 indicate?
A. Epiglottis
B. Uvula
C. Nasal concha
D. Soft palate
E. Hard palate
Answer: E
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Squamous cell carcinoma arises from cells of the stratum spinosum
Indicate whether the statement is true or false
The external iliac vein drains blood from the
A. upper limbs. B. head and neck. C. abdominal organs. D. lower limbs.
A person with a low iron count does not understand why shortness of breath and fatigue are occurring. What should be explained to this person about the role of iron in oxygenation?
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