A vitamin B12 deficiency results in the type of anemia known as __________.
a. sickle cell anemia
b. pernicious anemia
c. hemorrhagic anemia
d. aplastic anemia
Ans: b. pernicious anemia
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Damage to the type II cells of the lungs would contribute to
A) a thickening of the respiratory membrane. B) decreased surface tension in the water lining the alveoli. C) an increased rate of gas exchange. D) alveolar rupture. E) alveolar collapse.
The ________ function(s) in visual attention, such as to look and follow the flight of a butterfly.
A. superior colliculi B. inferior colliculi C. tegmentum D. red nucleus E. substantia nigra
The preferred sectional imaging modality for combative or uncooperative patients is MRI.
Answer the following statement true (T) or false (F)
The structure in the pharynx which prevents food from entering the larynx is the ___.
a) cricoid cartilage b) thyroid cartilage c) epiglottis d) glottis