Enamel is found in the crown of a tooth, whereas dentin is part of both the crown and the root.
Answer the following statement true (T) or false (F)
True
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A person has a total blood volume of 5 L. Of this total, 4 liters is contained in the systemic circulation and 1 L in the pulmonary circulation. If the person has a cardiac output of 5 L/min:
A. how long will it take for a drop of blood leaving the left ventricle to return to the heart? B. how long will it take a drop of blood to go from the right ventricle to the left ventricle?
Which of the following is correctly matched with its description?
A. Glia - the conducting cell of the nervous system B. Axons - conduct action potentials away from the cell body C. Dendrite - rapidly dividing cell D. Neurons - supportive cells of the nervous system E. Axon - carry action potentials toward the cell body
ECG monitoring of a patient with a suspected urologic emergency is especially important because of:
A) myocardial ischemia that is often caused by urologic dysfunction. B) the medications that many patients with urologic problems are taking. C) the potential for electrolyte imbalances and their effect on the heart. D) frequent fluctuations in the patient's heart rate caused by severe pain.
The foramen ovale ________
A) connected the two atria in the fetal heart B) is a condition in which the heart valves do not completely close C) is a connection between the pulmonary trunk and the aorta in the fetus D) is a shallow depression in the interventricular septum