Quiz #7 AP Heart
What correctly identifies S1 heart sound?
Closure of atrioventricular valves
Blood vessels differ by structure. Which statement is correct?
Arterioles are the vessels involved in regulating blood pressure due sympathetic nervous system innervation
The heart controls the direction of blood flow. What is the role of the aortic valve?
Controls the direction of blood flow from the left side of the heart to the systemic circulation
The heart valves control the direction of blood flow. What is the function of the pulmonic valve?
Controls the direction of blood flow from the right side of the heart to the lungs
What happens to blood flow when there is increased peripheral vascular resistance?
Decreases blood flow
A nurse is caring for a client receiving heparin therapy. Five days after the start of therapy the nurse notices a sudden decrease in the platelet count. Which of the following complications of heparin therapy can cause platelets to decrease?
Heparin-induced thrombocytopenia
What is characteristic about the blood in the pulmonary artery?
High in carbon dioxide, low in oxygen
A client has experienced sympathetic nervous stimulation of the heart. The nurse is aware that the client may manifest which of the following?
Increased heart rate and increased contractility
All the following decrease blood flow EXCEPT.
Increased venous pressure
What happens to blood flow with increased vascular compliance?
Increases blood flow
Which of the following is true regarding pulmonary circulation?
It is a low-pressure system that allows for improved gas exchange.
The nurse is educating a pregnant client about the importance of folic acid. Select the food that has the highest levels of folic acid.
Kale
All the following factors alter blood flow EXCEPT.
PNS innervation
B12 is an essential vitamin for red blood cell development. If a patient has a poor diet and does not get the necessary B12, what type of anemia can result?
Pernicious anemia
Which of the following is the correct sequence for blood flow through the heart?
Right atrium - tricuspid valve - right ventricle - pulmonary artery - lungs - pulmonary vein - left atrium - mitral valve - left ventricle - aorta
A 42-year-old male client recently diagnosed with liver cancer is noted as at high risk for bleeding abnormalities. The nurse recognizes this risk as a result of:
The reduction of clotting factors synthesized in the liver
Many different proteins, enzymes, and hormones are involved in maintaining hemostasis. Which protein is required to PREVENT platelet adhesion?
Tpa
To form a platelet plug, platelets must adhere to the vessel inner layer. For this to occur, which plama protein molecule is required?
Von Willebrand factor
A nurse is caring for a client in the intensive care unit who has sustained severe trauma and now has developed disseminated intravascular coagulation (DIC). The nurse is aware that the client is experiencing:
Widespread coagulation and bleeding in the vascular compartment
Which of the following clients is most susceptible to experiencing the effects of inadequate erythropoiesis and anemia? A client:
With renal failure as a result of longstanding hypertension
