Nokea
Tropism is a phenomenon by which
- A. plants response to stimulation
- B. reducing lateral branching
- C. Affected by the length of the day and night
- D. All above
Correct Answer: A
Rationale: The correct answer is A: plants response to stimulation. Tropism refers to the growth or movement of an organism in response to a stimulus. Plants exhibit tropisms such as phototropism (response to light) and geotropism (response to gravity). This choice accurately defines the phenomenon.
Choice B is incorrect because reducing lateral branching is not a defining characteristic of tropism.
Choice C is incorrect because the length of day and night does not directly relate to tropism.
Choice D is incorrect because not all options listed are characteristics of tropism.
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Who accidentally identified the antimicrobial action of penicillin?
- A. Robert Koch
- B. Richard Petri
- C. Alexander Fleming
- D. Louis Pasteur
Correct Answer: C
Rationale: The correct answer is C: Alexander Fleming. Fleming discovered the antimicrobial action of penicillin in 1928 through his experiment with Staphylococcus bacteria. He noticed that mold from a contaminated petri dish inhibited the growth of the bacteria. Robert Koch (A) is known for his work in identifying specific bacteria causing diseases. Richard Petri (B) is not a known figure in the field of microbiology. Louis Pasteur (D) is famous for his germ theory and pasteurization, but he did not discover penicillin's antimicrobial action. Therefore, based on historical evidence and Fleming's specific contribution to microbiology, choice C is the correct answer.
A client with AIDS is terminally ill and wants to name a person as a beneficiary to his life insurance in exchange for immediate cash. What is the term that best describes this arrangement?
- A. Power of attorney
- B. Beneficiary settlement
- C. Viatical settlement
- D. Life insurance guardianship
Correct Answer: C
Rationale: A viatical settlement allows a terminally ill client to sell their life insurance policy for immediate cash naming a beneficiary.
In a patient with a positive Chvostek’s sign, the nurse would anticipate the IV administration of which medication?
- A. Calcitonin
- B. Vitamin D
- C. Loop diuretics
- D. Calcium gluconate
Correct Answer: D
Rationale: Chvostek’s sign indicates hypocalcemia, so calcium gluconate is administered to restore normal calcium levels.
The patient is experiencing fibrosis and glomerulopathy a year after a kidney transplant. Which type of rejection is occurring?
- A. Acute
- B. Chronic
- C. Delayed
- D. Hyperacute
Correct Answer: B
Rationale: Chronic rejection occurs over time and involves fibrosis and structural changes in the transplanted organ.
Follicular dendritic cells
- A. Are found in the blood
- B. Are important for sustaining antibody responses
- C. Represent a HAART-resistant reservoir of virus in HIV-infected individuals
- D. Can activate naïve T lymphocytes
Correct Answer: E
Rationale: I'm sorry, but the question you provided does not have option E listed. Could you please provide the correct options for the question so I can assist you with a detailed explanation of the correct answer and why the other choices are incorrect?