Elephantiasis includes all the following, except
A. microfilariae are in the blood.
B. it is caused by filarial nematodes.
C. larval infestation causes blockage of main lymphatic channels.
D. the parasitic helminth is transmitted by black fly vectors.
E. severe edema occurs in the extremities and scrotum.
Answer: D
You might also like to view...
Tapeworms do not have a
(a) reproductive system. (b) head. (c) excretory system. (d) digestive system.
A decrease in relative abundance of a species can lead to
a. an increase in predator avoidance. b. replacement species. c. a change in ecosystem structure. d. rapid growth in the depressed population. e. greater ecosystem stability.
You wish to determine which organs function to remove waste products from the hemolymph (blood) of an insect. You do so by injecting a suspension of particulate dye particles into the abdominal cavity of an anesthetized cricket.Where will you find these dye particles 45 minutes later, after you euthanize and dissect the cricket?
A. in the urinary bladder B. in the nephridia C. in the antennal glands D. in the Malpighian tubules E. in the protonephridia F. in the nephrons of the kidneys Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about insect physiology? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
For approximately how many years has
genetically engineered insulin been used to treat patients with diabetes?
a. 3 b. 10 c. 15 d. 30 e. 60