In which region of the nephron does the fractional reabsorption of water vary the most in response to variation in the state of hydration?
A. the glomerulus
B. the proximal convoluted tubule
C. the loop of Henle
D. the distal convoluted tubule
E. the collecting duct
E
Anatomy & Physiology
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In which renal component does urine production begin?
A) renal cortex B) renal medulla C) minor calyx D) renal papilla E) renal pelvis
Anatomy & Physiology
Which of the following does not cause relaxation of smooth muscle within local arterioles?
a. carbon dioxide b. endothelin c. nitric oxide d. histamine e. increased osmolarity
Anatomy & Physiology
What does "E" represent on the diagram of the skull and brain?
A. Subdural space B. Dural venous sinus C. Pia mater D. Subarachnoid space E. Arachnoid mater
Anatomy & Physiology
Movement of the upper limb away from the trunk is called ________
A) extension B) adduction C) abduction D) lateral flexion
Anatomy & Physiology