Which of the following might happen if a person begins laughing while swallowing a liquid?
A. laryngeal constriction forcing liquid through the pharynx
B. relaxation of the soft palate allowing liquid to enter the nasal cavity
C. the tongue might be swallowed
D. nothing - swallowing will be normal
E. peristalsis will not begin
B
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The acromion is an anatomical feature of the ________
A) ulna B) pollex C) scapula D) scaphoid E) clavicle
The ribs that have no attachment to the sternum are
A) true ribs. B) ribs 8-12 and are called false ribs. C) floating ribs. D) ribs 11 and 12. E) ribs 11 and 12 and are called floating ribs.
Why do odors evoke strong emotional responses?
A. Fibers of the olfactory nerve synapse at the olfactory bulb, an important emotional center. B. Signals project from the olfactory cortex to the hippocampus, amygdala, and hypothalamus, all parts of the limbic system. C. Some olfactory signals pass through the thalamus and are routed to the cingulate gyrus of the limbic system. D. Olfactory tracts project to the cortex without synapsing at the thalamus. E. Signals travel from the olfactory cortex to the orbitofrontal cortex, which is involved in emotional memory.
What are the most important expiratory muscles?
a. muscles of the abdominal wall b. intercostal muscle c. diaphragm d. lumber muscles e. inner pelvic muscles