The descending limb of the loop of Henle is where
a. NaCl passively leaves the tubular fluid down its concentration gradient.
b. NaCl is actively transported into the interstitial fluid, leaving water behind because the tubular cells are not permeable to water.
c. K+ is secreted.
d. aldosterone stimulates Na+ reabsorption.
e. water is reabsorbed
E
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The fasciculus gracilis and fasciculus cuneatus would help us
A. tell if an object is rough or smooth. B. perceive pain. C. sense temperature. D. write a sentence. E. move our arms and legs.
Match the structure with the description.
a. 1 b. 2 c. 3 d. 4 e. 5 f. 6 g. 7 h. 8 i. 9 j. 10 k. 11 1. _____ Pulmonary artery 2. _____ Tricuspid valve 3. _____ Pulmonary vein 4. _____ Mitral valve 5. _____ Right ventricle 6. _____ Left ventricle 7. _____ Lungs 8. _____ Aortic semilunar valve 9. _____ Right atrium 10. _____ Pulmonary semilunar valve 11. _____ Left atrium
The geniculate ganglion is one of several ganglia that house cell bodies of the sensory root of the:
A) vagus nerve (X). B) glossopharyngeal nerve (IX). C) trigeminal nerve (V). D) facial nerve (VII).
The function of acetylcholinesterase is to
A. produce an IPSP on the postsynaptic membrane. B. break down acetylcholine in the synapse. C. metabolize norepinephrine. D. open voltage-gated Na+ channels.