BIOS 255 MIDTERM FINAL
1. The ascending aorta is connected to the
Answer: Left Ventricle
2. If the vagus nerve is severed, the result would be that
Answer: The heart rate willincrease
3. The mitral valve is closed during what?
Answer: During ventricular diastole
4. What will increase the contractility of the heart muscle?
Answer: Thyroxin, Epinephrine, & Sympathetic Stimuli
5. An abnormally fast heart rate is called
Answer: Tachycardia
6. The specialized tissue in the heart muscle that conducts the ventriculardepolarization are
the
Answer: Purkinje fibers
7. The circulatory needs of the heart muscle is provided by
Answer: the coronaryarteries
8. Blood within the vena cava returns to the heart at the
Answer: Right atrium
9. Cardiac muscle cells are unlike skeletal muscle cells in that they do nothave
Answer: Tetanic Contractions
10. The pulmonary trunk is connected to the
Answer: Right Ventricle
11. The tricuspid valve is closed during
Answer: ventricular systole
12. Heart murmurs are
Answer: abnormal heart sounds
, 13. What is the relationship between cardiac output, heart rate and strokevolume?
Answer: CO= HR x SV
14. Which of the following will increase the preload ability of the heart muscle?
-Thryoxin
-Epinephrine
-Sympathetic Stimuli
-None
Answer: None
15. An abnormally slow heart rate is known as
Answer: Bradycardia
16. Cardiac cells can regenerate in Angina Pectoris, therefore it is less harmful.True or False
Answer: False
17. Arterial depolarization corresponds to what wave?
Answer: P Wave
18. The volume percentage of the erythrocytes in the blood is called
Answer: Hematocrit
19. The pH of blood is
Answer: 7.4
20. Blood maintains what in the body?
Answer: pH,temperture, and volume
21. Erythropoiesis occurs where?
Answer: red bone marrow
22. The hormone erythropoietin that regulates erythropoiesis is secreted bywhat ?
Answer: kidney
23. A condition that the blood oxygen carrying capacity is below normal iscalled?
Answer: Anemia
24. The only true cell of the blood is
Answer: leukocyte
25. Secretion of EPO is triggered by what?
Answer: Low oxygen
1. The ascending aorta is connected to the
Answer: Left Ventricle
2. If the vagus nerve is severed, the result would be that
Answer: The heart rate willincrease
3. The mitral valve is closed during what?
Answer: During ventricular diastole
4. What will increase the contractility of the heart muscle?
Answer: Thyroxin, Epinephrine, & Sympathetic Stimuli
5. An abnormally fast heart rate is called
Answer: Tachycardia
6. The specialized tissue in the heart muscle that conducts the ventriculardepolarization are
the
Answer: Purkinje fibers
7. The circulatory needs of the heart muscle is provided by
Answer: the coronaryarteries
8. Blood within the vena cava returns to the heart at the
Answer: Right atrium
9. Cardiac muscle cells are unlike skeletal muscle cells in that they do nothave
Answer: Tetanic Contractions
10. The pulmonary trunk is connected to the
Answer: Right Ventricle
11. The tricuspid valve is closed during
Answer: ventricular systole
12. Heart murmurs are
Answer: abnormal heart sounds
, 13. What is the relationship between cardiac output, heart rate and strokevolume?
Answer: CO= HR x SV
14. Which of the following will increase the preload ability of the heart muscle?
-Thryoxin
-Epinephrine
-Sympathetic Stimuli
-None
Answer: None
15. An abnormally slow heart rate is known as
Answer: Bradycardia
16. Cardiac cells can regenerate in Angina Pectoris, therefore it is less harmful.True or False
Answer: False
17. Arterial depolarization corresponds to what wave?
Answer: P Wave
18. The volume percentage of the erythrocytes in the blood is called
Answer: Hematocrit
19. The pH of blood is
Answer: 7.4
20. Blood maintains what in the body?
Answer: pH,temperture, and volume
21. Erythropoiesis occurs where?
Answer: red bone marrow
22. The hormone erythropoietin that regulates erythropoiesis is secreted bywhat ?
Answer: kidney
23. A condition that the blood oxygen carrying capacity is below normal iscalled?
Answer: Anemia
24. The only true cell of the blood is
Answer: leukocyte
25. Secretion of EPO is triggered by what?
Answer: Low oxygen
