Bio 2114 Test #1 – 3 Assessment
Questions All Solved Correctly Graded
A+ 2025.
Normal heart sounds are caused by which of the following events?
A. excitation of the SA node
B. closure of the heart valves
C. friction of blood against the chamber walls
D. opening and closing of the heart valves - Answer B. closure of the heart valves
Which of the events below does not occur when the semilunar valves are open?
A. Ventricles are in diastole
B. Blood enters pulmonary arteries and the aorta
C. AV Valves are closed
D. Ventricles are in systole - Answer A. Ventricles are in diastole
Hemorrage with a loss of blood causes _______.
A. lowering of blood pressure due to change in cardiac output
B. a rise in blood pressure due to change in cardiac output
C. no change in blood pressure but a sower heart rate
D. no change in blood pressure but a change in respiration - Answer A. lowering of blood
pressure due to change in cardiac output
The left ventricular wall of the heart is thicker than the right wall in order to _____.
A. accommodate a greater volume of blood
B. expand the thoracic cage during diastole
C. pump blood with greater pressure
,A. SA node
B. AV valves
C. AV budle
D. AV node - Answer B. AV valves
The P wave of a normal electrocardiogram indicates _____.
A. ventricular repolarization
B. ventricular depolarization
C. atrial repolarization
D. atrial depolarization - Answer D. atrial depolarization
Blood within the pulmonary veins returns to the _______.
A. right atrium
B. left atrium
C. right ventricle
D. left ventricle - Answer B. left atrium
Small muscle masses attached to the chordae tendineae are the ______.
A. trabeculae carneae
B. pectinate muscles
C. papillary muscles
D. venae cave - Answer C. papillary muscles
To ausculate the aortic semilunar valve, you would place your stethescope in the ______. -
Answer 2nd intercostal space to the right of the sternum
Which of the following is not an age related change affecting the heart? - Answer thinning
ofthe valve flaps
, If the vagal nerves to the heart were cur he result would be that____. - Answer The heart rate
would increase by about 25 beats per minute
Foramen Ovule _____. - Answer connects the two atria in the fetal heart
The tricuspid valve is closed - Answer when the ventricle is in systole
What is used for measuring percent volume of blood that is RBC's? - Answer Hematocrit
What is te average normal pH range of blood? - Answer 7.35 - 7.45
The special type of hemoglobin present in fetal red blood cells is ___? - Answer Hemoglobin F
What is the parent cell for all formed elements? - Answer hemocytoplast
Which blood type is called the universal donor? - Answer O
Which of the following is a regulatory function of blood?
A. - Delivery of oxygen to body cells
B. transport of metabolic wastes from cells
C. prevention of blood loss
D. mainentance of normal pH in body tissues - Answer D - Maintenance of body temperature
Which of the following is a protective function of blood?
A. prevention of blood loss
B. maintenance of adequate fluid volume
C. maintenance of normal pH in body tissue
D. maintenance of body temperature - Answer D - maintenance of body temperature
Questions All Solved Correctly Graded
A+ 2025.
Normal heart sounds are caused by which of the following events?
A. excitation of the SA node
B. closure of the heart valves
C. friction of blood against the chamber walls
D. opening and closing of the heart valves - Answer B. closure of the heart valves
Which of the events below does not occur when the semilunar valves are open?
A. Ventricles are in diastole
B. Blood enters pulmonary arteries and the aorta
C. AV Valves are closed
D. Ventricles are in systole - Answer A. Ventricles are in diastole
Hemorrage with a loss of blood causes _______.
A. lowering of blood pressure due to change in cardiac output
B. a rise in blood pressure due to change in cardiac output
C. no change in blood pressure but a sower heart rate
D. no change in blood pressure but a change in respiration - Answer A. lowering of blood
pressure due to change in cardiac output
The left ventricular wall of the heart is thicker than the right wall in order to _____.
A. accommodate a greater volume of blood
B. expand the thoracic cage during diastole
C. pump blood with greater pressure
,A. SA node
B. AV valves
C. AV budle
D. AV node - Answer B. AV valves
The P wave of a normal electrocardiogram indicates _____.
A. ventricular repolarization
B. ventricular depolarization
C. atrial repolarization
D. atrial depolarization - Answer D. atrial depolarization
Blood within the pulmonary veins returns to the _______.
A. right atrium
B. left atrium
C. right ventricle
D. left ventricle - Answer B. left atrium
Small muscle masses attached to the chordae tendineae are the ______.
A. trabeculae carneae
B. pectinate muscles
C. papillary muscles
D. venae cave - Answer C. papillary muscles
To ausculate the aortic semilunar valve, you would place your stethescope in the ______. -
Answer 2nd intercostal space to the right of the sternum
Which of the following is not an age related change affecting the heart? - Answer thinning
ofthe valve flaps
, If the vagal nerves to the heart were cur he result would be that____. - Answer The heart rate
would increase by about 25 beats per minute
Foramen Ovule _____. - Answer connects the two atria in the fetal heart
The tricuspid valve is closed - Answer when the ventricle is in systole
What is used for measuring percent volume of blood that is RBC's? - Answer Hematocrit
What is te average normal pH range of blood? - Answer 7.35 - 7.45
The special type of hemoglobin present in fetal red blood cells is ___? - Answer Hemoglobin F
What is the parent cell for all formed elements? - Answer hemocytoplast
Which blood type is called the universal donor? - Answer O
Which of the following is a regulatory function of blood?
A. - Delivery of oxygen to body cells
B. transport of metabolic wastes from cells
C. prevention of blood loss
D. mainentance of normal pH in body tissues - Answer D - Maintenance of body temperature
Which of the following is a protective function of blood?
A. prevention of blood loss
B. maintenance of adequate fluid volume
C. maintenance of normal pH in body tissue
D. maintenance of body temperature - Answer D - maintenance of body temperature
