Papillary ducts empty into:
a. collecting ducts
b. a minor caylx
c. the renal pelvis
d. the renal sinus
Answer: b. a minor caylx
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Lymph nodes contain blood sinuses and red and white pulp.
Answer the following statement true (T) or false (F)
If a post synaptic neuron is stimulated to threshold by spatial summation this implies that ________
A) the post synaptic cell has a lower than normal threshold B) the post synaptic cell has many voltage gated ion channels C) the post synaptic cell is slow to repolarize D) the postsynaptic cells has many synapses with many presynaptic neurons
Nociceptors are sensitive to
A) pain. B) light touch. C) vibration. D) osmotic pressure. E) blood pressure.
Which of the following structures is not a segment of small intestine?
a. Ileum b. Duodenum c. Jejunum d. Appendix