During an asthma attack, bronchioles become severely _______. Taking epinephrine causes them to _______.

A. constricted; dilate
B. dilated; constrict
C. mucus-filled; empty of mucus
D. both a and c


Answer: A. constricted; dilate

Anatomy & Physiology

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During muscular contractions associated with inhalation, what would happen if intrapleural pressure were to be less than intrapulmonary pressure?

A. Lung volume would remain unchanged B. Thoracic volume decrease with lung collapse C. Thoracic volume increase with lung inflation D. Thoracic volume increase with lung collapse

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Nerves and blood vessels that service a muscle fiber are located in the connective tissues of its

What will be an ideal response?

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An electrolyte is a substance that releases ________ when dissolved in water.

A. electrons B. ions C. bases

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Vibrations of what structure create waves within the perilymph of the cochlear tube?

A. Auditory canal B. Tympanic membrane C. Oval window D. Pinna

Anatomy & Physiology