Which type of distal cell within kidney tubules and collecting ducts are responsive to aldosterone and antidiuretic hormone?
A. Type A cells
B. Type B cells
C. Principal cells
D. Intercalated endocrine cells
C
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The blood air barrier consists of
A) pseudostratified ciliated columnar epithelium. B) 1 layer of moist cuboidal epithelium. C) 2 layers of simple squamous epithelium. D) stratified squamous epithelium. E) surfactant cells.
Which of the following is true about smooth muscle?
A) Certain smooth muscle cells can actually divide to increase their numbers. B) Smooth muscle has well-developed T tubules at the site of invagination. C) Smooth muscle, in contrast to skeletal muscle, cannot synthesize or secrete any connective tissue elements. D) Smooth muscle cannot stretch as much as skeletal muscle.
The retina
a. is the middle layer of the eye. b. contains the photoreceptors. c. becomes specialized anteriorly to form the cornea. d. secretes the aqueous humor. e. none of these answers.
Prominent tendons on the dorsum of the hand belong to which muscle?
A. Extensor retinaculum B. Extensor digitorum C. Brachioradialis D. Extensor carpi radialis E. Flexor digitorum superficialis