Respiratory acid-base disturbances involve fluctuations in carbonic acid whereas metabolic acid-base disturbances involve fluctuations in bicarbonate levels.
Answer the following statement true (T) or false (F)
True
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Select the most correct statement regarding nucleic acids.
A) Three forms exist: DNA, RNA, and tDNA. B) DNA is a long, double-stranded molecule made up of A, T, G, and C bases. C) RNA is a long, single-stranded molecule made up of the bases A, T, G, and C. D) TDNA is considered a molecular slave of DNA.
Because of their elasticity, arteries act as a(n) ____ for maintaining blood flow during diastole
a. cardiac reserve b. venous reserve c. arterial capacitance d. lymphatic reserve e. pressure reservoir
Variations in respiratory rate is a symptom of
A. sinus arrhythmia. B. SA node block. C. paroxysmal atrial tachycardia D. ventricular tachycardia.
All of the following factors could cause decreased hematocrit except
A. kidney disease with a decline in erythropoietin production. B. anemia. C. smoking or emphysema. D. a hemorrhage. E. All of these could cause decreased hematocrit.