ATI LPN
Cardiovascular Questions and Answers PDF Questions
Question 1 of 5
Which of the following could cause reflex tachycardia and/or postural hypotension on initial administration?
Correct Answer: D
Rationale: Prazosin, an alpha-blocker, causes reflex tachycardia and postural hypotension.
Question 2 of 5
An increase in end diastolic volume would have which effect on cardiac output?
Correct Answer: A
Rationale: An increase in end diastolic volume stretches the cardiac muscle fibers, increasing stroke volume and thus cardiac output according to the Frank-Starling mechanism.
Question 3 of 5
A 7 year old boy presents with a low-grade fever, arthralgias, colicky abdominal pain, and a palpable purpuric rash limited to the lower extremities. Laboratory studies reveal a guaiac-positive stool, a urinalysis with red blood cell (RBC) casts, hematuria, and mild proteinuria, and a CBC with a normal Hb, Hct, and platelet count. Which of the following is the most likely diagnosis?
Correct Answer: D
Rationale: Henoch-Schonlein purpura (HSP) presents with purpuric rash, arthralgias, abdominal pain, and glomerulonephritis (RBC casts), typically in children.
Question 4 of 5
What patient statement indicates further teaching is required regarding lifestyle modifications to reduce blood pressure?
Correct Answer: C
Rationale: Nicotine contained in tobacco products (smoking and chew) causes vasoconstriction and increases blood pressure. Persons with hypertension should restrict sodium to 1500 mg/day by avoiding foods high in sodium and not adding salt in preparation of food or at meals. Weight loss can decrease blood pressure between 5 to 20 mm Hg.
Question 5 of 5
The carry de-oxygenated blood back to the heart.
Correct Answer: C
Rationale: Veins carry deoxygenated blood back to the heart, except for the pulmonary vein which carries oxygenated blood.