ATI LPN
Cardiovascular Disease Quiz Questions Questions
Question 1 of 5
Contraction of the left atrium is stimulated by:
Correct Answer: D
Rationale: Interatrial bundles conduct impulses that stimulate contraction of the left atrium.
Question 2 of 5
Which assessment finding in a patient admitted with acute decompensated heart failure (ADHF) requires the most immediate action by the nurse?
Correct Answer: A
Rationale: A decrease in O2 saturation to less than 92% indicates hypoxemia, and the nurse should start supplemental O2 immediately. An increase in apical pulse rate, 1-kg weight gain, and decreases in urine output also indicate worsening heart failure and require nursing actions, but the low O2 saturation rate requires the most immediate nursing action.
Question 3 of 5
The heart is supplied by the cardiac nervous plexus which is composed of:
Correct Answer: B
Rationale: The cardiac plexus includes parasympathetic fibers from the vagus nerve and sympathetic fibers from the sympathetic trunk.
Question 4 of 5
The distribution of fenestrated blood capillaries without diaphragm?
Correct Answer: C
Rationale: Fenestrated capillaries without diaphragms are found in the renal glomerulus for filtration.
Question 5 of 5
Excess production of which of the following would most likely result in chronic hypertension?
Correct Answer: C
Rationale: Angiotensin II causes vasoconstriction and aldosterone release, leading to chronic hypertension.