The thymus is the only lymphoid organ that does not DIRECTLY fight antigens
Indicate whether the statement is true or false
TRUE
You might also like to view...
Answer the following statements true (T) or false (F)
1. Cardiac veins empty into the superior vena cava, which drains into the right atrium. 2. One function of arteries is to serve as blood reservoirs. 3. In the capillaries, glucose and carbon dioxide move in opposite directions. 4. A heart that is beating weakly will cause a drop in the central venous pressure. 5. Normal average diastolic pressure is about 120 mm Hg.
A 67-year-old woman with a long history of liver cirrhosis was seen in the emergency department. In this patient with portal hypertension, which of the following veins is most likely to be dilated?
(A) Right colic vein (B) Inferior epigastric vein (C) Inferior phrenic vein (D) Suprarenal vein (E) Ovarian vein
Compared to its partial pressure in the atmosphere, oxygen's partial pressure in the alveoli is
A. lower. B. higher. C. equivalent.
The single layer of cells that surrounds the blastocele is the
A. morula. B. gastrula. C. blastocyst. D. trophoblast. E. inner cell mass.