Patients with ____ suffer from the destruction of the walls of the alveoli
a. pneumoconiosis
b. emphysema
c. bronchitis
d. cystic fibrosis
Answer: b. emphysema
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An accumulation of fluid in one area of the body, such that the fluid is not available for use elsewhere, is known as fluid _________
Fill in the blank with correct word.
Answer the following statements true (T) or false (F)
1. Positive feedback mechanisms tend to increase the original stimulus. 2. The anatomical position means the body is standing at attention with the palms facing forward and the thumbs pointing away from the body. 3. The elbow is proximal to the shoulder. 4. The serous membrane that lines the peritoneal cavity wall is called visceral peritoneum. 5. A major function of serous membranes is to decrease friction.
Which cells of the retina form a network that either inhibits or facilitates communication between the photoreceptors and the bipolar cells?
A) horizontal cells B) amacrine cells C) bipolar cells D) ganglion cells
Neuronal stimulation of skeletal muscle is always excitatory, whereas neuronal stimulation of smooth muscle may be excitatory or inhibitory
Indicate whether the statement is true or false.