Aunt Jessie woke up one morning with excruciating pain in her chest. She had trouble breathing for several weeks. Following a visit to the doctor, she was told she had pleurisy. What is this condition and what did it affect?
What will be an ideal response?
Pleurisy is an inflammation of the pleura, the serosal membranes covering the lungs and lining the thoracic wall. Pain is caused by the irritation and friction as the lungs rub against the walls of the cavity.
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Fatty acids consist mainly of carbon and hydrogen, and so fatty acids are
A. nonpolar and do not dissolve in water. B. polar and do not dissolve in water. C. polar and dissolve in water. D. nonpolar and dissolve in water.
Describe an intramural ganglion
A) An intramural ganglion is a group of neurons located near the brainstem. B) An intramural ganglion is a group of neurons located near the spinal cord. C) An intramural ganglion is a group of neurons located near the target organ. D) An intramural ganglion is a group of neurons embedded in the tissues of the target organ. E) An intramural ganglion is a group of neurons that release neurotransmitters that function as hormones into the general circulation.
Which nerves stimulate the diaphragm and external intercostal muscles to contract?
A) splanchnic nerves B) somatic nerves C) phrenic and intercostal nerves D) vagus nerves E) myenteric nerves
What chemical in saliva partially breaks down carbohydrates during the process of mastication?
A. Lingual lipase B. Amylase C. Water D. None of these are correct.