If hemoglobin is saturated (1.3 mL of oxygen per gram) and there are 150 grams of hemoglobin per liter of blood, how much oxygen can be delivered to the tissue if cardiac output is 15 liters per minute?
A) 2925 g O2/min
B) 2925 mL O2/min
C) 1300 g O2/min
D) 650 g O2/min
E) 1300 mL O2/min
Ans: B) 2925 mL O2/min
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a. estrogen b. progesterone c. human chorionic gonadotropin d. FSH e. LH
The flowering plants and gymnosperms differ from other plants by ____
a. possession of vascular tissue b. presence of nonmotile gametes c. presence of two types of spores d. dominance by the diploid generation e. production of seeds
Weather and climate differ from each other because
a. the effect of weather is temporary whereas the effect of climate is not. b. weather determines the diversity of organisms in an area. c. weather is local and climate is global. d. weather determines climate. e. man can affect weather but not climate.
When comparing the gene coding for cytochrome c in several species, it was noted that humans and
chimpanzees share the identical amino acid sequence with a change in only one location. This means that a. humans and chimpanzees can mate and produce viable offspring. b. humans evolved from chimpanzees. c. over time, chimpanzees will eventually evolve into primitive humans. d. humans and chimpanzees are closely related in evolutionary time. e. there is nothing particularly informative about this discovery.