Cerebral malaria is considered to be the most serious complication and major cause of death with which species of Plasmodium spp.?
a. P. vivax
b. P. falciparum
c. P. ovale
d. P. malariae
B
Cerebral malaria is considered to be the most serious complication and major cause of death with P. falciparum. Cerebral malaria occurs in up to 10% of all patients infected with P. falciparum who are admitted to the hospital, and it is responsible for 80% of fatal cases.
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Indicate whether the statement is true or false.
What is one of the primary reasons given for why there are very few fossils from the earliest (pre-Ediacaran fauna) animals?
A. The area covered by land, where early animals lived, was small so there were fewer opportunities for sedimentary rocks to form fossils. B. The area covered with water was much smaller than present day, so there were fewer places for fossilization to occur on the ocean floor. C. The earliest animals were soft-bodied and did not have requisite body parts that could be fossilized through mineralization. D. The earliest animals were distributed in high-oxygen environments, and decomposition occurred too rapidly for fossilization to occur.
The release of catecholamine by the adrenal glands provides which compensatory mechanism in hypovolemic shock?
a. Interstitial fluid moves out of the vascular compartment. b. Systemic vascular resistance is decreased. c. Heart rate is increased. d. Water excretion is increased.
During practice, a soccer player got hit in the head. After a few minutes, she was able to get up and went to the sidelines to get a bottle of water. As she was walking she felt extremely dizzy and fell over. What part of her brain may have been damaged?
A) cerebrum B) cerebellum C) midbrain D) hypothalamus