BIO104 Unit 1 Quiz Guide
The average life span of a red blood cell is about
4 months.
________ is a condition in which the oxygen-carrying capacity of RBCs is reduced.
Anemia
The P wave on an ECG represents:
Atrial depolarization
The second heart sound (S2) is caused by:
Pulmonary and aortic valves closing
The right side of the heart pumps blood through the ___________ circuit, while the left side of the heart pumps blood through the ___________ circuit.
Pulmonary; systemic
Blood returning from the systemic circulation via the superior and inferior vena cava must first enter the:
Right atrium
The right atrioventricular valve is also known as the:
Tricuspid valve
Plasma proteins that are necessary for blood to maintain osmotic pressure are
albumins.
During the recycling of hemoglobin, what is the breakdown product of the globular proteins of each hemoglobin molecule?
amino acids
Type AB blood contains
antigens A and B.
Drifting blood clots, air bubbles, or fat globules are called ________.
emboli
Plasma and interstitial fluid account for most of the volume of ________ in the body.
extracellular fluid
Which of the following begins with the activation of plasminogen?
fibrinolysis
The percentage of whole blood volume occupied by cellular elements is termed (the) ________.
hematocrit
The most abundant type of WBC in a normal blood sample is the ________.
neutrophil
A toxin that blocks the stomach's ability to release intrinsic factor causing decreased absorption of vitamin B12 would most likely cause:
pernicious anemia.
The chief difference between plasma and serum involves the
presence/absence of clotting proteins
In adults, the stem cells responsible for the production of red and white blood cells originate primarily in the
red bone marrow.
A blood clot attached to the wall of a vessel is called a(n)
thrombus
The term ________ refers to the combination of plasma and the formed elements together.
whole blood