The respiratory zone of the tracheobronchial tree includes which of the following?
A. Primary bronchi
B. Larynx
C. Tertiary bronchi
D. Alveoli
E. Trachea
Answer: D
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Which muscle is the most important for kissing?
A. Orbicularis oculi B. Orbicularis oris C. Temporalis D. Frontalis E. Risorius
Which of the following does not characterize immediate hypersensitivity?
a. It is mediated by T cells. b. It involves IgE antibodies. c. It occurs within 20 minutes of exposure to the allergen. d. It usually involves allergic responses to inhaled or ingested allergens. e. It includes hay fever, asthma, and hives.
The ____ bone is the strongest and longest bone of the face and forms the lower jaw
a. maxillary b. sphenoid c. mandible d. zygomatic
What mechanism is the most powerful and long-lasting in maintaining proper pH balance?
A. Blood buffers B. Renal reabsorption and/or secretion C. Respiration