What urinary organ produces urine?
A) Urethra
B) Kidney
C) Ureter
D) Bladder
Answer: B
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When repolarization of a neuron is complete, the
A. neuron dies. B. neuron regenerates. C. cell no longer has a potential difference across its membrane. D. original polarity of the neuron is restored. E. neuron is no longer excitable.
Brain cells are able to absorb glucose independent of insulin. What must be missing from brain cells compared to most other cell types? One of the risks of diabetes mellitus is diabetic coma, which results when insufficient glucose is available to the brain. Would you expect diabetic coma to be triggered when insulin is low or high? Explain. (Hint: Think about regulation of the number of glucose
transporters in brain cells and how the hyperglycemia present prior to insulin treatment may affect transporters.) What will be an ideal response?
Which eye muscle is innervated by the abducens nerve?
A. Medial rectus muscle B. Inferior rectus muscle C. Superior oblique muscle D. Lateral rectus muscle
A primary target of insulin in skeletal muscle is:
A. glucokinase B. acetyl CoA carboxylase C. uncoupling proteins D. fatty acid synthase E. GLUT4