Flexion of the head (when both side muscles constrict), are accomplished by which of the following?
a) Sternocleidomastoid
b) Erector Spinae
c) Splenius Muscle
d) both a and d
Ans: a) Sternocleidomastoid
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The senses of equilibrium and hearing are provided by receptors in the ___________.
A) membranous endolymph. B) organ of Schlemm. C) Organ of Corti. D) bony labyrinth. E) perilymph
This region of an antibody forms the antigen-binding site that binds a specific antigenic determinant of an antigen
A) heavy chain only B) variable portion of heavy and light chains C) constant portion of heavy and light chains D) light chain only
An anatomical term that means the same as "ventral" is
A) posterior. B) inferior. C) abdominal. D) anterior. E) superior.
The concentration of a hormone in the blood can affect the number of receptors for that hormone on or in a target cell
Indicate whether the statement is true or false.