ATI LPN
100 Questions on the Cardiovascular System PDF Questions
Question 1 of 5
Which of the following type of shock is due to decreased TPR?
Correct Answer: B
Rationale: Neurogenic shock decreases total peripheral resistance (TPR) due to loss of sympathetic tone.
Question 2 of 5
A 30-year-old woman has had coldness and numbness in her arms and decreased vision in the right eye for the past 5 months. On physical examination, radial pulses are not palpable, but femoral pulses are strong. She has decreased sensation and cyanosis in her arms, but no warmth or swelling. A chest radiograph shows a prominent border on the right side of the heart and prominence of the pulmonary arteries. Laboratory studies show negative ANA test result. Her condition remains stable for the next year. Which of the following is the most likely diagnosis?
Correct Answer: B
Rationale: Takayasu arteritis, a chronic vasculitis, causes pulselessness in the upper limbs and ocular symptoms.
Question 3 of 5
Which one of the following is a relative contraindication of thrombolytic agents?
Correct Answer: C
Rationale: Severe hypertension is a relative contraindication due to bleeding risk.
Question 4 of 5
Hypertension patient with renal disease was prescribed Clonidine, but he stopped it abruptly. Which of the following side effects will he experience?
Correct Answer: C
Rationale: Abrupt cessation of clonidine causes rebound hypertension.
Question 5 of 5
Without SA node input, what would the heart rate be?
Correct Answer: A
Rationale: The intrinsic rate of the AV node is about 40-60 bpm, but without any nodal input, the heart's autorhythmic cells could still generate a rhythm around 50 bpm.