The _______ cause inhaled air to churn so that it can be cleansed, humidified and warmed.
A. nasal conchae
B. alveoli
C. sinuses
D. nasolacrimal ducts
E. choanae
Ans: A. nasal conchae
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One of the main dangers of burns is
A. dehydration, as water can escape from the body. B. hyperthermia, as temperture regulation is very compromised. C. hypocalcemia, as blood ion levels are dramatically altered. D. respiratory infection, as body defenses are concentrated superficially.
Ultrasound and maternal serum marker tests are less informative than amniocentesis or
chorionic villus sampling (CVS) in diagnosing trisomy 21 because A) ultrasound and maternal serum markers check chromosomes, and CVS and amniocentesis do not. B) ultrasound and CVS check chromosomes, and maternal serum markers and amniocentesis do not. C) ultrasound and maternal serum markers do not check chromosomes, and CVS and amniocentesis do. D) maternal serum markers and amniocentesis check chromosomes, and ultrasound and CVS do not.
When a blood clot forms on a ruptured plaque in a coronary artery, the condition is referred to as a(n)
A) coronary spasm. B) myocardial infarction. C) coronary thrombosis. D) angina pectoris. E) pulmonary embolism.
Mastication is one component of the mechanical digestion of food
Indicate whether this statement is true or false.