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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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?
A) Iron clears the lungs of foreign particles and debris B) Iron carries oxygen through the blood to the tissues C) Iron prevents the alveoli in the lungs from collapsing D) Iron removes carbon dioxide from the blood
Which neurotransmitter ensures skeletal muscles receive the supply of nutrients needed to make ATP by stimulating the release of more fatty acids and glucose into the blood stream?
A) epinephrine B) norepinephrine C) acetylcholine D) aldosterone
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.