Pathophysiology Chapter 12- Test Bank Already Passed

Which factor predisposes to varicose veins during pregnancy? A) Compressed pelvic veins B) Stenotic valves in leg veins C) Thrombus formation D) Insufficient muscle support for veins {Ans: A}Which statement applies to paroxysmal nocturnal dyspnea? A) It indicates decreased CO2 diffusion in the lungs. B) It indicates swelling in the bronchioles and bronchi. C) It is caused by increased blood in the lungs when lying in a supine position. D) It results from pleural effusion. {Ans: C}Which change results from total heart block? A) A prolonged PR interval B) Periodic omission of a ventricular contraction C) A wide QRS wave D) Spontaneous slow ventricular contractions, not coordinated with atrial contraction {Ans: D}Atherosclerosis in the iliac or femoral arteries is likely to cause which of the following? 1. Gangrenous ulcers in the legs 2. Strong rapid pulses in the legs 3. Intermittent claudication 4. Red, swollen legs A) 1, 2 B) 1, 3 C) 2, 3 D) 2, 4 {Ans: B}Which of the following is NOT true of the drug nitroglycerin? A) It decreases myocardial workload by causing systemic vasodilation. B) It may be administered sublingually, transdermally, or by oral spray. C) Dizziness or syncope may follow