When the left ventricle contracts, the ________ valve closes and the ________ valve is pushed open
A) mitral; pulmonary
B) mitral; aortic
C) aortic; pulmonary
D) right AV; pulmonary
E) right AV; aortic
B
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During the recovery period following exercise, all of the following are true, except
A) Lactic acid is removed from muscle cells. B) The muscle actively produces ATP. C) Muscle fibers remain contracted. D) Oxygen is consumed. E) Heat is generated.
A 16-year-old boy with a ruptured spleen comes to the emergency department for splenectomy. Soon after ligation of the splenic artery just distal to its origin, a surgi- cal resident observes that the patient is heal- ing normally. Normal blood flow would occur in which of the following arteries?
(A) Short gastric arteries (B) Dorsal pancreatic artery (C) Inferior pancreaticoduodenal artery (D) Left gastroepiploic artery (E) Artery in the lienorenal ligament
Which of the following statements is TRUE?
A. The coordinated activity of the organ systems is necessary for normal function. B. Because organ systems are so interrelated, dysfunction in one organ system can have profound effects on other systems. C. An organism is any living thing considered as a whole whether composed of one cell such as a bacteria or trillions of cells such as a human. D. Living things are highly organized and disruption of this organized state can lead to loss of function and death. E. All of these statements are true
name the process by which a cell makes a copy of its DNA so it can give complete and identical copies of all of its genes to each daughter cell.
What will be an ideal response?