What is the function of IgG antibodies?
A) They play a role in the activation of B cells.
B) They attack pathogens before they enter the body tissues.
C) They are responsible for defense against many viruses, bacteria, and bacterial toxins.
D) They accelerate inflammation upon exposure to antigens.
E) They are responsible for cross reactions between incompatible blood types.
C) They are responsible for defense against many viruses, bacteria, and bacterial toxins.
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In most animals, the organization of muscles and bones of locomotion into a system of levers
A) Confers significant mechanical advantage. B) Increases the range and velocity of movement. C) Is functionally analogous to a wheelbarrow-type lever. D) Is functionally analogous to a crowbar-type lever.
What is moving a limb away from the median plane of the body along the frontal plane called?
A) abduction B) adduction C) inversion D) dorsiflexion
Answer the following statements true (T) or false (F)
1) The scalene muscles elevate the ribs and/or flex neck. 2) The superior oblique elevates the mandible. 3) The dioptic muscle rolls eye down and laterally. 4) The digastric muscle depresses the mandible and/or elevates the larynx. 5) The internal intercostal aids in respiration. 6) The rectus abdominis is a muscle that aids in flexing the vertebral column.
Which nucleus is part of the lentiform nucleus that controls muscular movement at the subconscious level?
A. Amygdaloid body B. Putamen C. Caudate nucleus D. Dentate nucleus E. Claustrum