________ and respiratory movements move lymph upward through lymphatic vessels and trunks below the heart.
A. Heart contractions
B. Osmotic pressure
C. Skeletal muscle contractions
D. Movement of internal organs
Answer: C
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A human cell that has 69 chromosomes is
A. aneuploid. B. triploid. C. euploid. D. diploid.
A 6-year-old boy presents to the emergency department with fever, abdominal cramps, and diarrhea. Arterial blood gases are as follows:
pH: 7.28 (normal: 7.35 to 7.45) PCO2: 24 mm Hg (normal: 33 to 44 mm Hg) [HCO3-]: 11 mEq/L (normal: 22 to 28 mEq/L) What is the acid-base disorder? A. metabolic acidosis with respiratory compensation B. metabolic acidosis with respiratory acidosis C. acute respiratory acidosis D. chronic respiratory acidosis
Hypervitaminosis may have serious consequences. Which vitamin group, water or fat soluble, is most likely to be involved in such cases and why?
What will be an ideal response?
Which of the following activities has the largest energy expenditure in 5 minutes?
a. jogging b. bicycling c. walking up stairs d. shoveling snow e. walking slowly on level ground