The "kissing muscle" that purses the lips is the
A) zygomaticus major.
B) orbicularis oris.
C) buccinator.
D) levator labii superioris.
E) procerus.
Answer: B
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Anti-angiogenic drugs are being used to decrease tumor growth. These drugs work by decreasing
A) cell division. B) cell communication. C) new blood vessel formation. D) focal calcification. E) vascular flow.
Sensory neurons that are part of the stretch reflex synapse directly onto the motor neurons of antagonist muscles, and inhibit them.
Answer the following statement true (T) or false (F)
In nonkeratinized stratified squamous epithelial tissue, the cells in the superficial layers are dead.
Answer the following statement true (T) or false (F)
Alkaline mucus made by this gland neutralizes traces of acidic urine in the urethra prior to ejaculation
A) seminal glands B) prostate gland C) bulbourethral glands