The principles of MRI rely on hydrogen atoms in the body.
Answer the following statement true (T) or false (F)
True
Rationale: See the subsection “Principles” in the section “Magnetic Resonance Imaging.”
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The mitral valve is situated between the left atrium and left ventricle.
Answer the following statement true (T) or false (F)
Which of the following carries oxygen-poor blood to the lungs from the heart?
A. The coronary sinus B. The great cardiac vein C. The superior vena cava D. The pulmonary veins E. The pulmonary arteries
In which of the following tissues would low oxygen levels cause vasoconstriction?
A. Skeletal muscle B. Heart C. Brain D. Lungs
The main pathway for fine discriminative touch information from the hand to the cerebral cortex includes:
A. group A-? axons ? fasciculus cuneatus ? medial lemniscus ? VPL ? postcentral gyrus B. group C axons ? fasciculus cuneatus ? medial lemniscus ? VPL ? postcentral gyrus C. group A-? axons ? fasciculus cuneatus ? medial lemniscus ? VPL ? precentral gyrus D. group C axons ? fasciculus cuneatus ? medial lemniscus ? VPL ? precentral gyrus E. group A-? axons ? fasciculus gracilis ? medial lemniscus ? VPL ? postcentral gyrus