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WorksheetsBIOL 215 - Exam 1 Review
Total questions: 15
Worksheet time: 8mins
(Ch. 19; Blood) All RBCs, WBCs, and platelets are derived from a population of stem cells known as
Myeloid Stem Cells
Hemocytoblasts
reticulocytes
lymphoid stem cells
(Ch. 19; Blood) Why is AB- the universal receiver?
It has no antibodies
It has no antigens
It has both antibodies
It lacks the Rh factor
(Ch. 19; Blood) Serum is:
Plasma without clotting factors
The colloid from plasma
The same as plasma
(Ch. 19; Blood) Hematopoiesis is the process of blood cell production
True
False
(Ch. 19; Blood) The process of dissolving a clot is called
Fibrinolysis
Clot contraction
Embolism
Thrombosis
(Ch. 20; Heart) The plateau in cardiac muscle action potentials is due to:
Ca2+ channels open
K+ channels open
Na+ channels close
(Ch. 20; Heart) The pacemaker potential that allows autorhytmicity is associated with:
A small number of Na+ channels remaining open
Passive Ca2+ open
K+ channels closed
(Ch. 20; Heart) Pulmonary circuit carries ______ to the ______.
Deoxygenated blood; lungs
Oxygenated blood; systemic tissues
Oxygenated blood; coronary tissue
(Ch. 20; Heart) Blood moves from the right ventricle to the lungs via the ______.
Pulmonary trunk
Pulmonary veins
Aorta
Superior & Inferior Vena Cava
(Ch. 20; Heart) The second heart sounds (AKA "dupp" or "dub") is caused by:
caused by the closure of the aortic and pulmonary semilunar valves
caused by ventricular systole
caused by the closing of the atrioventricular valves
caused by turbulent flow into the ventricles
(Ch. 21; Blood Vessels) Chemoreceptor reflexes respond to changes in blood pressure.
True
False
(Ch. 21; Blood Vessels) Capillary filtration is near the _____ end and capillary re-absorption is near the _____ end.
arterial; venous
venous; arterial
(Ch. 21; Blood Vessels) Edema can occur when (select all that apply):
Blockage in the lymphatic system
Reduced in the venous return due to gravity or blockage
Increased blood-colloid osmotic pressure
Decreased blood-colloid osmotic pressure
(Ch. 21; Blood Vessels) How does blood viscosity add resistance to blood flow?
Increased viscosity = increased resistance
decreased viscosity = increased resistance
(Ch. 21; Blood Vessels) Which of these factors would decrease blood flow to tissues?
Increased viscosity
Increased pressure gradient
Decreased resistance
Increased vessel diameter
