An embolus could block blood flow to the ________, resulting in a myocardial infarction, or it may block blood in the ________ and cause a stroke
A) brain; heart
B) heart; kidney
C) heart; brain
D) brain; kidney
E) liver; kidney
C
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According to the below figure, which letter corresponds to the lowest tubular fluid osmolarity under normal conditions?
A. A
B. B
C. C
D. D
E. E
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 osmolarity? 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?
Answer the following statements true (T) or false (F)
1.Mycologists classify fungi into five phyla based on their sexual structures. 2.Ascomycetes are fungi that cause disease and are not beneficial to humans in any way. 3.A dikaryotic stage is common in the life cycle of many plants, protozoans, and fungi. 4.Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis. 5.Some animals are autotrophs.
The combination of villi and microvilli provides the small intestine with ____
a. a large surface area for digestive functions b. elastic properties c. a high enzyme producing capacity d. motility e. sensitivity to chyme contents
In a resting neuron:a
the concentration of potassium ions is about 10 times greater inside the cell than in the extracellular fluid. b. excitatory postsynaptic potentials hyperpolarize the membrane. c. voltage-activated sodium channels are pumping sodium inside the cell against its concentration gradient. d. the membrane is more permeable to sodium than potassium ions. e. inhibitory postsynaptic potentials depolarize the membrane.