Tissues are groups of cells that have a common overall function, yet are distinctive in
their characteristic cell types and the molecules that the cells produce.
Indicate whether the statement is true or false
TRUE
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Calcitonin
a. secretion is stimulated by low blood calcium levels b. secretion is stimulated by a hormone from the anterior pituitary gland c. is secreted by the C-cells of the thyroid gland d. is stored in the colloid of the thyroid follicles e. has characteristics a and c
Which of the following is NOT true of the masseter muscle?
A. It inserts on the lateral portion of the mandible. B. It is innervated by the facial nerve. C. It closes the jaw by elevating the mandible. D. It originates on the zygomatic arch. E. All of these are true of the masseter muscle.
What is NOT one of the three main parts of a cell?
A) plasma membrane B) nucleus C) extracellular fluid D) cytoplasm
Which of the following cranial nerves is the only one to leave the head and neck area?
A. Vagus B. Accessory C. Trigeminal D. Hypoglossal