Which of the following muscles is involved in producing horizontal wrinkles in the forehead?
A) the medial pterygoid
B) the zygomaticus major
C) the frontal belly of the epicranius
D) the temporalis
C) the frontal belly of the epicranius
You might also like to view...
The most abundant nitrogenous waste of the blood is
A. urea. B. ammonia. C. uric acid. D. creatine. E. amino acids.
The principal ions in extracellular fluid are sodium, chloride, and
A) potassium. B) magnesium. C) phosphate. D) bicarbonate. E) iodine.
Large molecules typically elicit an immune response better than smaller molecules
Indicate whether the statement is true or false
The different tracts within indirect motor pathways are grouped according to their primary functions. The medial pathway regulates
A. and controls precise, discrete movements and tone in flexor muscles of the limbs. B. smooth muscle contraction in the viscera. C. muscle tone and gross movements of the muscles of the head, neck, proximal limb, and trunk. D. respiratory rhythm and CO2 levels. E. heartbeat and controls blood pressure.