AP II - Module 4 Exam Questions and Answers
Question 1
2 / 2 pts
The circulatory system is response for which of the following functions?
Supply
... [Show More] cells with oxygen
Transportation of gases
Rid cells of waste
Prevents loss of blood
All the above
The heart is contained in the cavity.
Pericardial
Pleural
Septal
Rectoperineal
Which layer of heart anchors it to the diaphragm?
Endocardium
Mediastinal
Myocardium
Pericardium
What is the purpose of the fossa ovalis in a fetus?
Your Answer:
The fossa ovalis marks the place of an opening between the atria which is present in all developing fetuses. It allows fetal blood to move directly from right to left atrium, bypassing he undeveloped lungs. The fossa ovalis closes during birth so that the lungs can receive oxygen once the baby is born.
Label the figure below (A-E): A:
B: (In blue) C:
D:
E:
Your Answer:
A: Aorta
B: Right Ventricle
C: Mitral/Bicuspid/Left AV Valve D: Left Atrium
E: Pulmonary Trunk
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow)
Your Answer:
Left Coronary Artery
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow)
Your Answer:
Left Coronary Artery
Circumflex branch (of Left Coronary Artery)
Name the vessel in the figure below: (highlighted in blue, also indicated by the arrow)
Your Answer:
Posterior Interventricular branch
True or False: Arteries have high amounts of stretch with little recoil.
True
False
Veins
Which vessel would you expect to be the best place to feel a strong pulse?
Subclavian vein
Subclavian artery
arteries have palpable pulses, not veins
Superior vena cava
Brachiocephalic vein
What is the correct order of blood flow starting from the heart?
Artery → arteriole → capillary → venule → vein
Arteriole → artery → capillary → vein → venule
Artery → capillary → arteriole → venule → vein
Vein → venule → capillary → arteriole → artery
Which layer of a vessel contains the muscular layer?
Tunica externa
Tunica media
Tunica intima
Vessels do not contain a muscular layer
The aortic arch turns to become the ?
Superior vena cava
Pulmonary trunk
Ascending aorta
Descending aorta
A patient had a stroke in their frontal lobe. What vessel was most likely blocked?
Anterior cerebral artery
Posterior cerebral artery
Basilar artery
Vertebral artery
These two arteries of the circle of Willis rise along both sides of the spinal cord, joining in the brainstem:
Your Answer:
Vertebral arteries (left and right)
What is the name of the artery in the figure below (in blue also indicated by the arrow)?
Your Answer:
Anterior Communicating
Anterior communicating
Use the figure below to answer the following question.
Portion A is filled with air. This part of the medical equipment (B-F) releases the air from A.
Your Answer:
Portion A is filled with air. This part of the medical equipment (B-F) releases the air from A.
E. The valve
True or False: The liquid portion of blood is called formed elements.
True
False
plasma
True or False: Hydrostatic pressure is the net pressure which pushes fluid into the tissues.
True
False
The portion of blood responsible for maintaining blood pH is:
Plasma
Serum
Formed elements
Hydrostatic pressure
Question 21
0 / 2 pts
is a cell fragment from a large bone marrow cell:
White blood cells
Red blood cells
Megakaryocytes Correct Answer Platelets
Which statement is true concerning the events in the coagulation cascade?
Platelets destroy the fibrin network.
Fibrin is converted to fibrinogen.
Plasmin becomes trapped in the fibrin threads.
Prothrombin is converted to thrombin.
The sends deoxygenated blood to the lungs to be oxygenated.
Left, systemic circuit
Right, pulmonary circuit
Left, pulmonary circuit
Right, systemic circuit
The “pacemaker of the heart” is in what location?
Right atrium
Left atrium
Left ventricle
Right ventricle
You are reviewing your patient’s results from an EKG. The findings indicate a problem with ventricular repolarization. Where should you look on the EKG to find this abnormal rhythm?
T-wave
QRS complex
P-wave
The electrical activity cannot be read on an EKG
Your patient’s EKG results indicate difficulty with left and right ventricular systole. What part of the conduction system is not functioning properly?
Atrioventricular node.
SA node
Bundle of His
Purkinje fibers
causes contraction of the left and right ventricles
Which statement is true concerning the cardiac cycle?
A. The atrial contraction time is longer than the ventricle contraction time.
B. The ventricle contraction time is longer than the ventricle contraction time.
C. Systole refers to the relaxation of the heart chambers.
D. Diastole refers to the contraction of the heart chambers.
E. C & D are true
A patient is suspected to have peripheral edema due to heart failure. Which side of the heart would be in failure? Explain your answer.
Your Answer:
The right side of the heart would be in failure. If the right side of the heart cannot pump blood into the heart efficiently, blood and fluid will back up into the veins, causing swelling in body tissues.
A patient has a diagnosis of right sided heart failure. Which of the following signs/symptoms would they most likely present with?
Shortness of breath at rest
Swollen ankles
All the above
A patient is admitted to the ER with a myocardial infarction. What signs/symptoms could they display?
Shortness of breath
Angina pectoris
Heartburn
Pressure over the chest
All the above
Your patient has a diagnosis of atherosclerosis. Is your patient at a higher or lower risk for a thromboembolism? Explain your reasoning.
Your Answer:
Higher risk. Thromboembolism is an embolus that becomes lodged in a vessel as it travels. Atherosclerosis is an accumulation of soft masses of fatty materials, often cholesterol, inside arteries. These deposits called plaque accumulate beneath the inner linings of arteries. Plaque can cause a clot to form on the irregular arterial wall. If the clot becomes dislodged it can travel and clog a smaller artery in its path.
Your patient is admitted to the hospital for a coronary artery bypass. Use your own words to explain to your patient about what is going to happen in this surgery.
Your Answer:
During this operation, a segment of another blood vessel from the patient’s body and stitch one end of the aorta and the other end to a coronary artery past the point of obstruction. Once the heart is exposed, some physicians may also use lasers to open clogged coronary vessels. [Show Less]