Blood leaves the left atrium through what valve?
A. Tricuspid valve
B. Pulmonary valve
C. Bicuspid valve
D. Aortic valve
Answer: C
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Your professor says something profoundly funny. You are tempted to laugh but because you failed to brush your teeth this morning all you can do is to manage a closed-mouth smile. What muscle are you primarily using?
A. Levator labii superioris B. Buccinator C. Platysma D. Risorius E. Mentalis
The largest paranasal sinuses are the sphenoid.
Answer the following statement true (T) or false (F)
The lateral wall of the orbit is formed by the
A. maxillary and zygomatic bones. B. ethmoid and lacrimal bones. C. zygomatic and sphenoid bones. D. frontal bone.
People with myasthenia gravis have a deficiency of
A. sarcomeres. B. troponin molecules. C. acetylcholine receptors D. titin molecules.