ATI RN
ATI Pharmacology Proctored Exam Practice Questions Questions
Question 1 of 5
A mother asks the nurse when she should give her child cough medicine. What is the best response by the nurse?
Correct Answer: D
Rationale: Cough suppressants relieve dry, disruptive coughs , aiding rest. Green secretions need clearance, fever signals illness, and bronchitis may require expectorants. D targets appropriate use, making it the best response.
Question 2 of 5
Which of the following is NOT a clinical sign of Hemolytic anemia:
Correct Answer: A
Rationale: Cyanosis is the bluish discoloration of the skin or mucous membranes due to insufficient oxygen in the blood. It is not a typical clinical sign of hemolytic anemia. Hemolytic anemia is characterized by the premature destruction of red blood cells, leading to symptoms such as abdominal pain, hemoglobinuria (presence of hemoglobin in the urine), jaundice (yellowing of the skin and eyes), and sometimes lower back pain due to kidney involvement. Cyanosis is more commonly associated with respiratory or cardiovascular conditions where oxygen levels are affected.
Question 3 of 5
What is the primary action of interferon alfa?
Correct Answer: C
Rationale: Interferon alfa is an immunomodulatory agent that works by enhancing the immune system's ability to fight cancer. It has cytotoxic and cytostatic effects, meaning it can kill cancer cells or inhibit their growth. Additionally, it promotes the differentiation of stem cells, which can help restore normal cell function. While interferon alfa does produce cytokines and interleukins, its primary action is immunomodulation and direct effects on cancer cells. It does not primarily cause allergic reactions or produce red blood cells.
Question 4 of 5
Antihistamines block the actions of histamine at the
Correct Answer: A
Rationale: Antihistamines for allergies (e.g., diphenhydramine) target H1 receptors , blocking histamine's effects like itching or sneezing. B1 and B2 receptors (choices B,
C) involve adrenergic responses (e.g., heart rate, bronchodilation), unrelated to histamine. C1 isn't a recognized receptor. H1 blockade is the mechanism for allergy relief, making choice A correct, reflecting antihistamines' specific pharmacological action critical for nurses to understand.
Question 5 of 5
What patient history would the nurse recognize as a contraindication for beginning Niacin therapy?
Correct Answer: B
Rationale: Gout is a metabolic disorder characterized by elevated levels of uric acid in the blood, which can be exacerbated by niacin therapy. Niacin can increase uric acid levels, potentially leading to gout flare-ups in patients with a history of gout.
Therefore, a history of gout would be recognized as a contraindication for beginning Niacin therapy.