Blood leaves the left atrium through what valve?

A. Tricuspid valve
B. Pulmonary valve
C. Bicuspid valve
D. Aortic valve


Answer: C

Anatomy & Physiology

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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

Anatomy & Physiology

The largest paranasal sinuses are the sphenoid.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

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.

Anatomy & Physiology

People with myasthenia gravis have a deficiency of

A. sarcomeres. B. troponin molecules. C. acetylcholine receptors D. titin molecules.

Anatomy & Physiology