What muscle forms the cheek?

A. Orbicularis oculi
B. Zygomaticus
C. Buccinator
D. Orbicularis oris


Answer: C

Anatomy & Physiology

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The mechanism of gustatory reception seems to parallel that of

A) light receptors. B) mechanoreceptors. C) olfactory receptors. D) nociceptors. E) baroreceptors.

Anatomy & Physiology

What is found in a Haversian canal?

What will be an ideal response?

Anatomy & Physiology

Arterial systolic pressure occurs ________ while arterial diastolic pressure occurs ________.

A. during the middle of the phase of ventricular ejection; just before the semilunar valve opens B. during the isovolumetric contraction phase of the cardiac cycle; during the isovolumetric relaxation phase of the cardiac cycle C. when the ventricle reaches end-systolic volume; when the ventricle reaches end-diastolic volume D. at the same time as closure of the semilunar valves; at the same time as closure of the atrioventricular valves  E. at the same time as the P-wave of the electrocardiogram; at the same time as the T-wave of the electrocardiogram

Anatomy & Physiology

Myelin is mostly composed of 20% protein and 80% __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology