: Unit 4 open quiz X + conline instructure.com/courses/14389/quizzes/114215/take

Question

: Unit 4 open quiz X + conline instructure.com/courses/14389/quizzes/114215/take D Question 11 The 'micturition reflex', O is stimulated by stretch receptors in the bladder wall. O occurs when the internal sphincter must be consciously relaxed O occurs when the extemal sphincter relaxes involuntarily O both b and c Question 12 Glomerular filtration rate may be controlled locally in the nephron by O constriction of the afferent arteriole in response to blood pressure changes O strenuous exercise O release of renin O none of the above

Explanation / Answer

Micturition contractions are formed as a result of stretch reflexes initiated by sensory
stretch receptors present in the walls of bladder.
Option a is the correct answer

Glomerular filtration rate may be controlled locally in the nephron by constriction of
both afferent and efferent arterioles in response to blood pressure changes.
Option a is the correct answer.

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