The cytoskeleton consists of
A. actin filaments, mitochondria, and intermediate filaments.
B. ribosomes, the nucleus, and the Golgi apparatus.
C. microtubules, actin filaments, and intermediate filaments.
D. microfilaments, mitochondria, and lipochromes.
E. lipochromes, microfilaments, and microtubules.
Answer: C
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The quadriceps femoris muscle is involved in extending the lower leg.
Answer the following statement true (T) or false (F)
A unique feature of the left lung is the
A) hilum. B) carina. C) primary bronchus. D) cardiac notch. E) apex.
Normally, skin color results from a combination of
a: melanin b: hemoglobin c: bilirubin d: carotene A. a, b, d B. a, c, d C. a, d D. a, b, c E. b, c, d
Matching
A) Glomerular capillaries B) Vasa recta C) Afferent arterioles D) Peritubular capillaries E) Efferent arterioles 21) Low pressure, porous vessels that reabsorb solutes and water from the tubule cells. 22) High pressure vessel that forces fluid and solutes into the glomerular capsule. 23) May form meandering vessels or bundles of long straight vessels. 24) Play a role in urine concentration. 25) Fenestrated vessels that allow passage of all plasma elements but not blood cells.