Red blood cells will develop from
A. proerythroblasts.
B. monoblasts.
C. myeloblasts.
D. megakaryoblasts.
E. lymphoblasts.
A
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The ductus arteriosus allows fetal blood to bypass the lungs.
Answer the following statement true (T) or false (F)
Match the acid-base disturbance with the clinical scenario and arterial blood gases. An individual with an asthma attack; pH = 7.32; [HCO3-] = 25 mEq/L; PCO2 = 50 mm Hg
A. metabolic acidosis with respiratory compensation B. metabolic alkalosis with respiratory compensation C. respiratory acidosis with renal compensation (chronic respiratory acidosis) D. respiratory acidosis without renal compensation (acute respiratory acidosis) E. metabolic acidosis and respiratory acidosis
Answer the following statements true (T) or false (F)
1. When a muscle fiber contracts, the I bands diminish in size, the H zones disappear, and the A bands move closer together but do not diminish in length. 2. Contractures are a result of a total lack of ATP. 3. The amount of movement permitted by a particular joint is the basis for the functional classification of joints. 4. All joints permit some degree of movement, even if very slight. 5. Hinge joints permit movement in only two planes.
____________________ or ____________________ are terms used for displacement of a bone from its joint
Fill in the blank(s) with correct word