Which type of alveolar cells produce surfactant?
A. Ciliated simple cuboidal epithelial cells
B. Type II pneumocytes
C. Type I pneumocytes
D. Macrophages
Answer: B
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A major function of the testis is to ________.
A) provide nutrients that spermatozoa need for motility B) propel spermatozoa and fluids along the reproductive tract C) produce spermatozoa D) activate spermatozoa E) None of the answers are correct
The building of complex molecules from simpler ones is described as
A. reversible. B. exergonic. C. anabolism. D. catabolism. E. irreversible.
Which vitamin is synthesized by the skin?
A) vitamin A B) vitamin C C) vitamin D D) vitamin E E) vitamin K
Hypersecretion of growth hormone can cause gigantism if it begins in childhood, but is more likely to cause ___ if it begins in adulthood.
a. Cushing's syndrome b. acromegaly c. myxedema d. dwarfism e. Grave's disease