What type of cell involved in cell-mediated immunity has a cytotoxic action on tumor cells?

a. Lysosomes
b. Histocompatibility cells
c. Memory cells
d. Natural killer cells


ANS: D
Cytotoxic, or killer, T cells (CD8) are able to lyse cells such as cancer cells.

Nursing

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A client experiences dyspnea, chest pain, cyanosis, cough, hemoptysis, and tachycardia on the second postoperative day. Vital signs confirm the client is in shock

The nurse should recognize that the client has MOST likely developed which of these complications? a. atelectasis c. pneumothorax b. myocardial infarction d. pulmonary embolism

Nursing

A patient who takes a diuretic and a ?-blocker to control blood pressure is scheduled for breast reconstruction surgery. Which patient information is most important to communicate to the health care provider before surgery?

a. Hematocrit 36% b. Blood pressure 144/82 c. Pulse rate 58 beats/minute d. Serum potassium 3.2 mEq/L

Nursing

While a nurse is conducting a health assessment, the individual asks why the term "patient" is being used. What should the nurse explain about the implication of the term "patient"?

1. The person is seeking assistance because of illness. 2. The individual is proactive in his or her health care needs. 3. The person is a collaborator in his or her care. 4. The individual is using a service or commodity.

Nursing

What should the nurse do to verify nasogastric (NG) tube placement? (Select all that apply.)

a. Ask the patient to speak. b. Inspect the posterior pharynx. c. Aspirate back on the syringe. d. Obtain an x-ray of the placement. e. Auscultate the lung fields.

Nursing