BIO 202 Midterm Exam - Arizona College (Guaranteed Success With Expert Solutions) Which valve guards the base of the aorta and opens when the ventricles are contracting Right Ans - aortic semilunar valve Microscopic vessels composed of simple squamous epithelial cells are called Right Ans - capillaries A person with a heart rate of 75 beats per minute and a stroke volume of 60
mL per beat has a cardiac output of: Right Ans - 4500 mL/minute
Resting, filling, and dilation describe which of the following? Right Ans - Diastole Correct. Resting, filling, and dilation describe diastole.Blood is returned to the heart from all body parts by the Right Ans - veins.
The sinoatrial node is located in the: Right Ans - right atrium
Which one of the following represents the correct path for the transmission of
an impulse in the intrinsic conduction system of the heart: Right Ans -
sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle, right and left bundle branches, Purkinje fibers Which one is the correct sequence going from the outermost to the innermost
layer of a blood vessel wall: Right Ans - superior and inferior vena cava
The tricuspid valve is located between the: Right Ans - right atrium and
right ventricle
The proper spelling for the term describing hardening of the arteries is:
Right Ans - arteriosclerosis.
The right AV valve is known as the: Right Ans - tricuspid valve
________ pressure is the pressure exerted by the blood on the walls of the arteries. Right Ans - Blood 1 / 2
Another name for the mitral valve is: Right Ans - bicuspid valve.
Cords called the chordae ____ connect the pointed ends of the cusps of the AV valves to the papillary muscles. Right Ans - Tendinea pulmonary veins Right Ans - transport oxygenated blood to the heart The layer of the heart wall synonymous with the visceral layer of the serous pericardium is Right Ans - epicardium The volume of blood pumped out by each ventricle with each beat of the heart
is called the: Right Ans - cardiac output
Veins: Right Ans - branch into smaller vessels called arterioles
The most common site for taking an adult's pulse in the doctor's office is the ________ artery. Right Ans - radial Deoxygenated blood is returned to the right side of the heart by the: Right Ans - pulmonary arteries A piece of a blood clot that dislodges and is transported by the bloodstream is called a Right Ans - embolus An abnormal production of white blood cells is associated with a type of cancer called Right Ans - leukemia Sickle-cell anemia is a hereditary disease in which leukocytes have an abnormal sickle shape due to abnormal hemoglobin. Right Ans - False The normal pH of blood is at 7.35 to 7.45. Right Ans - True A cholesterol-containing mass that adheres to the smooth walls of blood vessels is called a( Right Ans - plaque White blood cells as a group are called Right Ans - leukocytes Hematopoiesis occurs in the Right Ans - bone marrow
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