Which of the following would be most likely to increase GFR?
A. sympathetic stimulation of afferent arteriolar smooth muscle
B. constricting efferent arterioles
C. a decrease in plasma volume
D. an increase in the concentration of plasma proteins
B
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The partial pressure of carbon dioxide in venous blood is approximately
A) 40 mm Hg. B) 45 mm Hg. C) 50 mm Hg. D) 70 mm Hg. E) 100 mm Hg.
A structure that helps prevent food from entering the pharynx prematurely is the
A) uvula. B) pharyngeal arch. C) palatoglossal arch. D) palatopharyngeal arch. E) epiglottis.
Tail __________ is the removal of the distal part of the tail to prevent fecal contamination and/or tail biting
Fill in the blank(s) with correct word
The ________ or preen gland in birds, which is lateral to the tail feather attachment, secretes oil that is used to waterproof feathers
A) tertiary B) remige C) uropygial D) pteryla