BIOS 255 Week 4 Midterm Exam-Graded A
Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers?
- answers- ::veins
Capillaries surrounding the choroid plexus is of which type? - answers- ::Fenestrated capillaries
The ascending aorta is connected to the - answers- ::Left Ventricle
If the vagus nerve is severed, the result would be that - answers- ::The heart rate will increase
The mitral valve is closed during what? - answers- ::During ventricular diastole
What will increase the contractility of the heart muscle? - answers- ::Thyroxin, Epinephrine, &
Sympathetic Stimuli
An abnormally fast heart rate is called - answers- ::Tachycardia
The specialized tissue in the heart muscle that conducts the ventricular depolarization are the -
answers- ::Purkinje fibers
The circulatory needs of the heart muscle is provided by - answers- ::the coronary arteries
, Blood within the vena cava returns to the heart at the - answers- ::Right atrium
Cardiac muscle cells are unlike skeletal muscle cells in that they do not have - answers- ::Tetanic
Contractions
The pulmonary trunk is connected to the - answers- ::Right Ventricle
The tricuspid valve is closed during - answers- ::ventricular systole
Heart murmurs are - answers- ::abnormal heart sounds
What is the relationship between cardiac output, heart rate and stroke volume? - answers-
::CO= HR x SV
Which of the following will increase the preload ability of the heart muscle?
-Thryoxin
-Epinephrine
-Sympathetic Stimuli
-None - answers- ::None
An abnormally slow heart rate is known as - answers- ::Bradycardia
Cardiac cells can regenerate in Angina Pectoris, therefore it is less harmful. True or False -
answers- ::False
Arterial depolarization corresponds to what wave? - answers- ::P Wave
Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers?
- answers- ::veins
Capillaries surrounding the choroid plexus is of which type? - answers- ::Fenestrated capillaries
The ascending aorta is connected to the - answers- ::Left Ventricle
If the vagus nerve is severed, the result would be that - answers- ::The heart rate will increase
The mitral valve is closed during what? - answers- ::During ventricular diastole
What will increase the contractility of the heart muscle? - answers- ::Thyroxin, Epinephrine, &
Sympathetic Stimuli
An abnormally fast heart rate is called - answers- ::Tachycardia
The specialized tissue in the heart muscle that conducts the ventricular depolarization are the -
answers- ::Purkinje fibers
The circulatory needs of the heart muscle is provided by - answers- ::the coronary arteries
, Blood within the vena cava returns to the heart at the - answers- ::Right atrium
Cardiac muscle cells are unlike skeletal muscle cells in that they do not have - answers- ::Tetanic
Contractions
The pulmonary trunk is connected to the - answers- ::Right Ventricle
The tricuspid valve is closed during - answers- ::ventricular systole
Heart murmurs are - answers- ::abnormal heart sounds
What is the relationship between cardiac output, heart rate and stroke volume? - answers-
::CO= HR x SV
Which of the following will increase the preload ability of the heart muscle?
-Thryoxin
-Epinephrine
-Sympathetic Stimuli
-None - answers- ::None
An abnormally slow heart rate is known as - answers- ::Bradycardia
Cardiac cells can regenerate in Angina Pectoris, therefore it is less harmful. True or False -
answers- ::False
Arterial depolarization corresponds to what wave? - answers- ::P Wave
