Which one of the following bones does NOT contain paranasal sinuses?
A) frontal
B) sphenoid
C) mandible
D) ethmoid
E) maxilla
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Question 2) The pineal gland produces ________.
A) thymosin
B) melatonin
C) estrogen
D) insulin
E) cortisol
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Question 3) The nasal cavity is separated from the oral cavity by ________.
A) the pharynx
B) the nasal conchae
C) the larynx
D) both the hard and soft palate
E) both the nasal conchae and hard palate
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Question 4) Which one of the following is NOT a sign of diabetes mellitus?
A) polyuria
B) polydipsia
C) moon face
D) polyphagia
E) acidosis
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Question 5) What is the role of mucus in the nasal cavity?
A) increase the air turbulence in the nasal cavity
B) separate the oral cavity from the nasal cavity
C) lighten the skull
D) act as a resonance chamber for speech
E) trap incoming bacteria and other foreign debris
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Question 6) Which two important hormones are produced by the islet cells (islets of Langerhans) of the pancreas?
A) epinephrine and norepinephrine
B) aldosterone and cortisone
C) insulin and glucagon
D) cortisol and cortisone
E) glucocorticoids and mineralocorticoids
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Question 7) What sweeps contaminated mucus from the nasal cavity to the throat?
A) tonsils
B) flagella
C) cilia
D) coarse hairs
E) air turbulence
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Question 8) Which of the following hormones decreases blood glucose levels?
A) glucocorticoids
B) epinephrine
C) growth hormone
D) insulin
E) glucagon
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Question 9) The respiratory conducting passageways perform all of the following functions EXCEPT ________.
A) allow air to reach the lungs
B) purify air
C) humidify air
D) exchange gases
E) warm incoming air
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Question 10) Which specific cells of the pancreatic islets (islets of Langerhans) release insulin in response to high blood glucose levels?
A) alpha cells
B) beta cells
C) delta cells
D) gamma cells
E) theta cells
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