Which of the following is a lung disease marked by abnormally few but large alveoli?
A. Cor pulmonale
B. Pulmonary hemosiderosis
C. Emphysema
D. Atelectasis
E. Collapsed lung
C. Emphysema
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Compared to arteries, veins
A) are rounder in a sectional cut. B) have more smooth muscle in their tunica media. C) have a pleated endothelium. D) have thinner walls. E) hold their shape better when cut.
How can a single axon respond to several different kinds of events?
What will be an ideal response?
Which of the following bony features is mismatched with its description?
A. Occipital condyles - articulation points between the skull and vertebral column B. Styloid process - point of articulation of mandible with skull C. Alveolar process - ridge containing the teeth D. Mandibular fossa - point of articulation of mandible with skull E. Crista galli - point of attachment of one of the meninges
Why is high blood pressure damaging to the heart?
A. With high blood pressure, the blood is more viscous and harder to pump. B. The heart rate slows down to dangerously low levels if blood pressure is too high. C. Due to increased afterload, the left ventricle must contract more forcefully to expel the same amount of blood. D. Sodium concentration increases during high blood pressure and is toxic to the myocardium.