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182. The normal SI heart sound is caused by:
A. atrioventricular valve opening
B. semilunar valve opening
C. atrioventricular valve closure
D. semilunar valve closure
C.
183. In relation to the electrocardiogram, the SI heart sound normally occurs at the:
A. end of the S wave
B. onset of the QRS
C. end of the T wave
D. onset of the P wave
B.
184. Normally the loudest component of the SI heart sound is closure of the:
A. tricuspid valve
B. pulmonic valve
C. aortic valve
D. mitral valve
D.
185. In relationship to tricuspid valve closure, normally mitral valve closure occurs:
A. before
B. after
C. varies
D. during
A.
186. The normal S2 heart sound is caused by:
A. atrioventricular valve opening
B. semilunar valve closure
C. atrioventricular valve closure
D. semilunar valve opening
B.
187. In relation to the electrocardiogram, S2 normally occurs at the:
A. onset of the P wave
B. end of the T wave
C. end of the PR interval
D. onset of the QRS complex
B.
188. Which component of S2 is normally the loudest?
A. pulmonic valve closure
B. aortic valve closure
C. mitral valve opening
D. tricuspid valve closure
B.
189. Compared to the pulmonic valve, aortic valve closure normally occurs:
A. after
B. before
C. during
D. varies
B.
190. Which of the following will increase the interval between aortic valve closure and pulmonic valve closure?
A. strain phase of the Valsalva
B. standing to supine
C. inspiration
D. expiration
C.
191. All of the following are considered vessel wall layers except the:
A. vasa vasorum
B. intima
C. adventia
D. media
A.
192. Which of the following component parts of the circulation is best capable of altering blood
flow to the capillaries?
A. aorta
B. peripheral arteries
C. venules
D. arterioles
D.
193. Which of the following components of the circulation conducts blood from the peripheral tissues to the heart?
A. venules
B. arterioles
C. veins
D. aorta
C.
194. Which effect will an increase in preload normally have on cardiac contractility?
A. decrease
B. cannot be predicted
C. varies
D. increase
D.
195. Which of the following will most likely increase ventricular afterload?
A. atrioventricular valve regurgitation
B. semilunar valve regurgitation
C. atrioventricular valve stenosis
D. semilunar valve stenosis
D.
196. Coronary artery blood occurs predominantly during:
A. ventricular diastole
B. isovolumic contraction
C. ventricular systole
D. atrial systole
A.
197. Which percent stenosis is considered significant coronary artery disease?
A. 30%
B. 10%
C. 50%
D. 70%
D.
198. All of the following will affect coronary artery blood flow except:
A. left ventricular end-diastolic pressure
B. aortic diastolic blood pressure
C. body surface area
D. heart rate
C.
199. All of the following are considered the formed elements of blood except:
A. white blood cells
B. plasma
C. platelets
D. red blod cells
B.
200. Another term for red blood cells is:
A. plasma
B. thrombocytes
C. leukocytes
D. erythrocytes
D.
201. Another term for white blood cells is:
A. erythrocytes
B. leukocytes
C. plasma
D. thrombocytes
B.
202. Another term for platelets is:
A. thrombocytes
B. leukocytes
C. erythrocytes
D. plasma
A.
203. Which component of blood carries hemoglobin?
A. plasma
B. leukocytes
C. thrombocytes
D. erythrocytes
D.
204. The term that refers to the percentage of red blood cells present is:
A. anemia
B. leukopenia
C. hematocrit
D. polycthemia
C.
205. The term that means there is an abnormal increase in the number of red blood cells is:
A. leukopenia
B. anemia
C. polycythemia
D. hematocrit
C.
206. The term used to decribe an abnormal decrease in the number of red blood cells is:
A. leukopenia
B. anemia
C. polycythemia
D. hematocrit
B.
207. The term that decribes an abnormal increase in the number of white blood cells is:
A. hematocrit
B. leukopenia
C. plasmacrit
D. polycythemia
B.
208. Which of the following terms infers an abnormal decrease in the number of white blood cells?
A. plasmacrit
B. leukocytosis
C. polycythemia
D. hematocrit
B.
209. What percentage of blood is made up of plasma?
A. 35%
B. 55%
C. 15%
D. 75%
B.
210. What percentage does red blood cells constitute the formed elements of blood?
A. 75%
B. 35%
C. 15%
D. 55%
B.
Author
holy
ID
176035
Card Set
Appendix
Description
182-210
Updated
10/7/2012, 5:41:50 PM
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