A pneumothorax typically causes
A) COPD.
B) emphysema.
C) atelectasis.
D) loss of surfactant.
E) elevated intrapulmonary pressure.
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Question 2) Which of the following is incorrectly matched?
A) anterior chamber: between the cornea and the iris
B) posterior chamber: between the iris and the lens
C) ciliary body: site of extrinsic eye muscle attachment
D) retina: consists of a pigmented layer and a neural layer
E) sclera: covers most of the ocular surface
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Question 3) A condition that increases lung compliance is
A) lung cancer.
B) respiratory distress syndrome.
C) loss of surfactant.
D) emphysema.
E) pneumothorax.
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Question 4) Which structure of the eye is the most sensitive but contains no blood vessels?
A) iris
B) choroid
C) retina
D) sclera
E) cornea
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Question 5) During inhalation, air continues to move into the lungs until
A) the internal pressure is the same is atmospheric pressure.
B) the internal pressure is less than atmospheric pressure.
C) the internal pressure is greater than atmospheric pressure.
D) the compliance of the lung decreases.
E) the lungs recoil.
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Question 6) Tears pass through which of the following structures before emptying into the nasal cavity?
A) anterior chamber
B) posterior chamber
C) nasolacrimal duct
D) scleral venous sinus
E) corneoscleral junction
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Question 7) The normal respiratory rate of a resting adult ranges from ________ breaths each minute, or roughly one for every four heartbeats.
A) 6-10
B) 8-14
C) 10-15
D) 12-18
E) 18-22
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Question 8) A typical gustatory cell survives for only about ________ day(s) before it is replaced.
A) 10
B) 1
C) 60
D) 30
E) 365
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Question 9) Use of the accessory respiratory muscles is characteristic of forced breathing, or
A) hyperpnea.
B) eupnea.
C) dyspnea.
D) hypoxia.
E) apnea.
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Question 10) Taste buds on the tongue are often associated with epithelial projections called
A) macula.
B) lingual papillae.
C) ganglion cells.
D) pharyngeal papillae.
E) ampulla.
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