The nursing instructor is teaching student nurses about humoral and cell-mediated immune responses. What does the best teaching plan include?

1. Helper T cells are an important part of humoral immunity.
2. Humoral immunity refers to immune responses where targets are attacked by immune cells.
3. B lymphocytes are an important part of cell-mediated immunity.
4. Humoral immunity refers to immune responses that are mediated by antibodies.


Correct Answer: 4
Rationale 1: Helper T cells are part of cell-mediated immunity, not humoral immunity.
Rationale 2: Humoral immunity refers to immune responses that are mediated by antibodies.
Rationale 3: B lymphocytes are part of humoral immunity, not cell-mediated immunity.
Rationale 4: Humoral immunity refers to immune responses that are mediated by antibodies.

Nursing

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A 43-year-old woman is at the clinic for a routine examination. She reports that she has had a breast lump in her right breast for years. Recently, it has begun to change in consistency and is becoming harder

She reports that 5 years ago her physician evaluated the lump and determined that it "was nothing to worry about." The examination validates the presence of a mass in the right upper outer quadrant at 1 o'clock, approximately 5 cm from the nipple. It is firm, mobile, and nontender, with borders that are not well defined. The nurse replies: a. "Because of the change in consistency of the lump, it should be further evaluated by a physician." b. "The changes could be related to your menstrual cycles. Keep track of the changes in the mass each month." c. "The lump is probably nothing to worry about because it has been present for years and was determined to be noncancerous 5 years ago." d. "Because you are experiencing no pain and the size has not changed, you should continue to monitor the lump and return to the clinic in 3 months."

Nursing

A patient with a diagnosis of gastric cancer has been unable to tolerate oral food and fluid intake and her tumor location precludes the use of enteral feeding. What intervention should the nurse identify as best meeting this patient's nutritional needs?

A) Administration of parenteral feeds via a peripheral IV B) TPN administered via a peripherally inserted central catheter C) Insertion of an NG tube for administration of feeds D) Maintaining NPO status and IV hydration until treatment completion

Nursing

The recommended p.o. dosage of thioguanine is 2 mg/kg/day. The child weighs 88 lb. Thioguanine is available in 40-mg tablets. Each day, the child should receive _______________

a. 1 tablet b. 1 1/2 tablets c. 2 tablets d. 2 1/2 tablets

Nursing

In developing a nursing plan of care for a client who has a venous access device, which of these notations is essential to include?

a. "Do not measure blood pressure on the involved side." b. "Maintain accurate measurement of intake and output at all times." c. "Provide assistance with activities of daily living." d. "Require a family member to remain with the client overnight to ensure assistance."

Nursing