Which of the following structures is not a segment of small intestine?
a. Ileum
b. Duodenum
c. Jejunum
d. Appendix
Ans: d. Appendix
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A) B cells B) T cells C) plasma cells D) phagocytosis
Tissue fluid is ______ and lymph is ______
A) forced out of blood plasma and generally lacking in proteins; absorbed into lymph capillaries B) forced out of lymph vessels; absorbed into lymph vessels C) rich in proteins; rich in proteins and foreign particles D) forced out of blood plasma; absorbed into blood capillaries
Which of the following blocks voltage-gated sodium channels?
A) lidocaine B) tetrodotoxin C) pufferfish toxin D) tetrodotoxin, pufferfish toxin and lidocaine
The ________ valve opens when left ventricular pressure exceeds aortic blood pressure
A) left atrioventricular B) pulmonary C) right atrioventricular D) aortic E) All of the answers are correct.