Nokea
A patient was given an IM injection of penicillin in the gluteus maximus and developed dyspnea and weakness within minutes following the injection. Which additional assessment findings indicate that the patient is having an anaphylactoid reaction (select all that apply)?
- A. Wheezing
- B. Hypertension
- C. Rash on arms
- D. Feeling of impending doom
Correct Answer: A
Rationale: Anaphylactoid reactions involve symptoms like wheezing, rash, and a sense of impending doom due to severe allergic response.
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A small molecule that combines with a specific allosteric protein so that both prevent RNA polymerase activity is called a(n):
- A. inducer
- B. repressor
- C. corepressor
- D. leader
Correct Answer: C
Rationale: The correct answer is C: corepressor. A corepressor is a small molecule that binds to an allosteric protein to inhibit its activity. In this case, the corepressor prevents RNA polymerase activity. The other choices are incorrect because:
A: Inducer activates gene expression.
B: Repressor inhibits gene expression by binding to DNA.
D: Leader is not a term related to allosteric regulation.
The nurse uses many precautions during IV administration of vesicant chemotherapeutic agents, primarily to prevent
- A. septicemia
- B. extravasation
- C. catheter occlusion
- D. anaphylactic shock
Correct Answer: B
Rationale: Extravasation of vesicant agents can cause severe tissue damage, so precautions are essential.
Auxin hormones act as
- A. promotes seedling elongation
- B. is transported downward through a plant
- C. affects cell elongation in roots at lower concentrations
- D. all above
Correct Answer: D
Rationale: The correct answer is D because auxin hormones play a crucial role in promoting seedling elongation (A), are transported downward through a plant (B), and affect cell elongation in roots at lower concentrations (C). Auxins are known for their ability to stimulate cell growth and elongation, which is essential for seedling growth. They are also transported in a polar manner from the shoot tip downwards, influencing various plant processes along the way. Additionally, auxins regulate root growth by promoting cell elongation at lower concentrations. Therefore, all the statements (A, B, and C) are supported by the functions of auxin hormones, making option D the correct choice.
Priority Decision: While caring for a patient who is at the nadir of chemotherapy, the nurse establishes the highest priority for nursing actions related to
- A. diarrhea
- B. grieving
- C. risk for infection
- D. inadequate nutritional intake
Correct Answer: C
Rationale: At the nadir, the patient's white blood cell count is lowest, increasing the risk for infection, making it the highest priority.
What are the most common immunosuppressive agents used to prevent rejection of transplanted organs?
- A. Cyclosporine, sirolimus, and muromonab-CD3
- B. Prednisone, polyclonal antibodies, and cyclosporine
- C. Azathioprine, mycophenolate mofetil, and sirolimus
- D. Tacrolimus, prednisone, and mycophenolate mofetil
Correct Answer: D
Rationale: Tacrolimus, prednisone, and mycophenolate mofetil are commonly used to prevent organ rejection.