Which statement best explains the mechanism of action of monoclonal antibodies?

1. They alter the DNA of the tumor cells.
2. They prevent replication of the tumor cells.
3. They stimulate immune cell function.
4. They attack antigens on the surface of specific tumor cells.


Correct Answer: 4
Rationale 1: This is not the mechanism of action of monoclonal antibodies.
Rationale 2: This is not the mechanism of action of monoclonal antibodies.
Rationale 3: They are immunosuppressants.
Rationale 4: This is the correct mechanism of action of monoclonal antibodies.
Global Rationale: Monoclonal antibodies are a form of targeted therapy. They bind to antigens on the surface of tumor cells, marking the cell for destruction. They are not immunosuppressants and do not alter the DNA or prevent tumor cells from replicating.

Nursing

You might also like to view...

Lack of surfactant can cause which of the following conditions?

a. Pulmonary embolus c. Pulmonary atelectasis b. Pulmonary hypertension d. Pulmonary edema

Nursing

When reviewing normal menstruation with an early adolescent, you would teach that during the second half of a typical menstrual cycle, the endometrium of the uterus becomes

A) thin and transparent, because of progesterone stimulation. B) twisted and ragged, because of follicle-stimulating hormone. C) thick and purple-hued, because of estrogen stimulation. D) corkscrew-like, because of progesterone stimulation.

Nursing

The client being mechanically ventilated has become more restless over the course of the shift. What is the nurse's best action?

A. Darken the room and ask visitors to leave. B. Document the observation as the only action. C. Administer a dose of pain medication or sedative. D. Check the client's oxygen saturation by pulse oximetry.

Nursing

Glycosylated hemoglobin level is used to indicate

a. the effect of meals on blood glucose level. b. day-to-day variations in blood glucose level. c. iron deficiency anemia in patients with diabetes. d. overall blood glucose control over several weeks.

Nursing