As a botanist working for a field museum, you spend many hours in the field looking for new species. On a recent trip you may have discovered a new plant species. The plant is very short, and has a stem but no roots or leaves. The stem forks and has branches that have sporangia on the tips. Further analysis reveals vascular tissue. What type of plant might you have discovered?
A. Angiosperm
B. Gingko
C. Rhyniophyte
D. Bryophyte
E. Gymnosperm
Answer: C
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Jim is suffering from congestive heart failure, in which blood flow is backed up in his lungs and excess fluid is escaping the blood and accumulating in his lung tissue. If untreated, increasing pulmonary edema will lead to death by suffocation. What is the most-likely cause of Jim’s congestive heart failure?
A. Contraction of his right atrium is not keeping up with contraction of his left atrium. B. Contraction of his left ventricle is not keeping up with contraction of his right ventricle. C. Jim’s pulmonary semilunar valve is not opening properly. D. Jim’s SA node is malfunctioning. E. Jim’s right atrioventricular valve (tricuspid valve) is not closing properly. Gather Content What do you already know about the path of blood between the heart and the lungs? 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?
Which of the following is (are) an infectious disease(s)
A)cholera B)diptheria C)malaria D)all of the above
All of the following would be required for a positive fluorescent antibody (FA) test for syphilis except
A. Complement from a guinea pig B. Syphilis spirochetes in a patient sample scraped from a lesion C. Anti-Treponema antibodies D. Fluroescein-labeled antiglobulin antibodies E. A microscopic slide
Which of the following organisms belongs to the Subphylum Cephalochordata?
a) hagfish b) lamprey eel c) sea squirt d) lancelet e) catfish