Amoxicillin is very effective for treating infections with Gram-positive bacteria but rarely causes side effects in humans. This is an example of
A. selective toxicity.
B. narrow spectrum of action.
C. a broad-spectrum antimicrobial.
D. antibiotic resistance.
E. altruism.
Answer: A
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Which egg is isotonic to the solution?
Three (3) eggs are boiled and all weigh 2g. The eggs are placed in a 15% solution of NaCl and reweighed after 30 minutes.
A. Egg 1
B. Egg 2
C. Egg 3
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
Gather Content
· What do you know about osmosis? What other information is related to the question?
Choose Answer
· Given what you now know, what information and/or problem solving approach 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?
The signal from the environment that triggers a stereotyped behavior is a
A. conditioned reflex. B. fixed action pattern. C. reinforcing stimulus. D. releasing mechanism. E. key stimulus (sign stimulus).
Arrange these three layers of the wall of a ureter from the innermost layer (on top) to the outermost layer (on the bottom).
a. Fibrous Connective tissue b. Mucosa c. Smooth muscle d. All of the above
The heart is located in which body cavity?
a. cranial b. thoracic c. spinal d. abdominal e. pelvic