The genioglossus has muscle spindles. If they are triggered to respond, what will happen to the tongue?
What will be an ideal response?
(The tongue will depress if protruded, and depress toward the floor of the mouth.)
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The ultrasound machine can provide details of the internal structure and density of an organ
Indicate whether the statement is true or false
Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. The problem is most likely the result of
A) inflammation of the bronchi. B) constriction of the trachea. C) thick secretions that exceed the ability of the respiratory tract cilia to remove them. D) laryngeal spasms that occur in response to a toxic substance produced by the epithelial cells. E) collapse of one or both lungs.
An example of a messenger that acts as a neurotransmitter when released from a nerve ending or a hormone when secreted by an endocrine cell is ____________________
Fill in the blank(s) with correct word
Identify the lung receptors that respond to inhaled irritants and stimulate cough:
A. aortic body B. central chemoreceptors C. pulmonary stretch receptors D. rapidly-adapting receptors E. unmyelinated C fibers