ATI Pharmacology Proctored Exam

Correct Answer: A

Rationale: The correct answer is A. Terbutaline works by blocking beta2-adrenergic receptors, leading to uterine smooth muscle relaxation and stopping contractions. Therefore, the client demonstrating understanding by recognizing that the medication will stop contractions is the most accurate response. Choices B, C, and D are incorrect because Terbutaline is primarily used to inhibit contractions in preterm labor, not prevent vaginal bleeding, promote blood flow to the baby, or increase prostaglandin production.

Correct Answer: C

Rationale: A temperature of 38.1�C (100.6�F) can indicate an infection, which is considered an oncologic emergency in clients receiving chemotherapy due to the increased risk of sepsis in immunocompromised individuals. Dry oral mucous membranes (Choice A), nausea and vomiting (Choice B), and anorexia (Choice D) are common side effects of chemotherapy but do not typically indicate an oncologic emergency requiring immediate intervention.

Correct Answer: B

Rationale: When administering IV Alteplase for a massive Pulmonary Embolism, the healthcare provider should plan to hold direct pressure on puncture sites for 10 to 30 minutes or until oozing of blood stops. This is crucial to prevent bleeding complications at the puncture sites. Choice A is incorrect because Enoxaparin is not usually administered along with Alteplase for a Pulmonary Embolism. Choice C is incorrect because Aminocaproic acid is not typically given prior to alteplase infusion in this situation. Choice D is incorrect because Alteplase should be administered within 2 hours of onset of manifestations for Pulmonary Embolism, not within 8 hours.

Correct Answer: C

Rationale: The correct answer is 'C: Bradycardia.' Atenolol, a beta-blocker, commonly causes bradycardia as an adverse effect. It works by slowing down the heart rate, which can lead to a decreased heart rate known as bradycardia. Monitoring for signs of bradycardia is essential to prevent any potential complications while on atenolol. Choices A, B, and D are incorrect because atenolol is not known to cause tachycardia, hypoglycemia, or hypertension as common adverse effects.

Correct Answer: C

Rationale: Muscle rigidity and a sudden rise in temperature are manifestations of malignant hyperthermia. Dantrolene acts on skeletal muscles to reduce metabolic activity and treat malignant hyperthermia effectively. Neostigmine (choice A) is used to reverse the effects of non-depolarizing neuromuscular blockers, not to treat malignant hyperthermia. Naloxone (choice B) is an opioid antagonist used for opioid overdose. Vecuronium (choice D) is a non-depolarizing neuromuscular blocker and is not used to treat malignant hyperthermia.