Test Bank Pharmacology and the Nursing Process

Correct Answer: C

Rationale: Rationale: 1. Insulin is a hormone produced by beta cells of the pancreas. 2. Beta cells are responsible for monitoring blood glucose levels and secreting insulin in response to high glucose levels. 3. Insulin helps regulate blood glucose by facilitating glucose uptake into cells. 4. Adenohypophysis secretes other hormones, not insulin. 5. Alpha cells of the pancreas secrete glucagon, not insulin. 6. Parafollicular cells of the thyroid secrete calcitonin, not insulin. Summary: Choice C is correct because insulin is indeed secreted from the beta cells of the pancreas. Choices A, B, and D are incorrect as they do not secrete insulin or are related to other hormones.

Correct Answer: D

Rationale: The correct answer is D. Taking piroxicam with food or an oral antacid can help reduce GI irritation as it can protect the stomach lining. Piroxicam is known to cause GI upset due to its effects on prostaglandin synthesis. Spacing the administration every 4 hours (choice A) may not necessarily prevent GI upset. Using the drug for a short time only (choice B) may not address the immediate concern of GI irritation. Decreasing the piroxicam dosage (choice C) may not be necessary if taking it with food or an antacid can effectively alleviate the GI upset.

Correct Answer: D

Rationale: The correct answer is D because "Unable to palpate femoral pulse in left leg" is an objective finding that can be measured or observed without interpretation or bias. It provides concrete, measurable information about the patient's condition. Choices A, B, and C are subjective data as they rely on the patient's feelings, emotions, and perceptions, which can vary and are open to interpretation. Objective data is crucial in making accurate assessments and decisions in healthcare.

Correct Answer: B

Rationale: The correct answer is B because in a normal Rinne test, air conduction is heard longer than bone conduction in both ears. This is due to the fact that air conduction involves the transmission of sound waves through the external auditory canal, middle ear, and inner ear, which is more efficient than bone conduction where the sound waves are transmitted directly to the inner ear through the bones of the skull. Therefore, when the tuning fork is placed on the mastoid bone (bone conduction) and then moved next to the ear (air conduction), the sound should be heard longer through air conduction. Choice A is incorrect because normal auditory acuity does not necessarily mean equal perception in both ears. Choice C is incorrect as bone conduction should be heard shorter than air conduction in a normal Rinne test. Choice D is incorrect as the test does not determine which ear perceives sound better, but rather the difference in duration between air and bone conduction.

Correct Answer: C

Rationale: The correct answer is C: platelets 18,000. A critically low platelet count can lead to life-threatening bleeding in the ICU. Normal platelet count ranges from 150,000 to 450,000. A count of 18,000 indicates severe thrombocytopenia. Immediate reporting is crucial for prompt intervention. Rationale for why other choices are incorrect: A: Hematocrit of 48% is within normal range (male: 42-52%, female: 37-47%). B: paCO2 of 38 mm Hg is within normal range (35-45 mm Hg). D: WBC count of 8000 is within normal range (4000-11000/uL). In critical care settings, it is vital to prioritize and address life-threatening conditions promptly, hence the urgent need to report the critically low platelet count.