Which of the following is true of local anesthetics?

A. They permeate skeletal muscle more easily than they do sensory and autonomic nerves.
B. Their primary mechanism of action involves the blockade of potassium ions.
C. They block sensory nerves at doses that do not inhibit motor nerve function.
D. Their primary mechanism of action is the blockade of norepinephrine receptors.


Answer: C

Nursing

You might also like to view...

The nursing student knows that involving families with the client's treatment is an important aspect of family nursing. Certain biases, such as believing families are responsible for the client's mental illness, prevents:

1. Social interaction and violates family rights. 2. Hope, support, and happiness. 3. Future episodes of negative client behavior. 4. Family identity and reduces negative perceptions.

Nursing

The school nurse recognizes the signs of scabies when a child presents with:

a. small fluid filled blisters that sting when scratched. b. dry scaly patches in body creases that itch. c. wavy threadlike lines on the body and pruritus. d. cluster of papular lesions with pruritus.

Nursing

Protein breakdown begins in the ______

Fill in the blank(s) with the appropriate word(s).

Nursing

A teenaged girl has noticeable exophthalmia of the right eyeball and proptosis of the left eye. The nurse will suspect and further assess for:

a. hypothyroidism c. growth hormone deficiency b. congenital adrenal hyperplasia d. hyperthyroidism

Nursing