Answer:
The correct answer is A, as the statement is true. All blood returns to the heart by way of either the superior vena cava or the inferior vena cava.
Explanation:
The heart pumps blood to all parts of the body. Blood supplies oxygen and nutrients to the entire body and removes carbon dioxide and residual elements. As blood travels through the body, oxygen is consumed and blood becomes deoxygenated.
Deoxygenated blood returns from the rest of the body to the heart through the superior vena cava and the inferior vena cava, the two main veins that carry the blood back to the heart.
Answer:
(A) - The volume of the blood plasma increases on overhydration and decreaes on dehydration.
(B) - Osmolality of blood increases with the dehydration and decreases with the overhydration.
Explanation:
If the levels of drinking water is increased, then the plasma becomes more dilute and the plasma volume increases because <u>the water will be reabsorbed more and which as a result reduces plasma concentration of the solutes and increases volume of plasma.</u>
Plasma osmolality measures electrolyte-water balance of the body. <u>As mentioned, above on overhydration, the plasma concentration of the solutes decraeses which also decreases osmolality. So, Osmolality of blood increases with the dehydration and decreases with the overhydration. </u>Increased osmolality in blood stimulate the secretion of antidiuretic hormone which results in the increased water reabsorption and therefore, more concentrated urine and hence blood plasma with less concentration.
Sympathetic if I’m not mistaken
If the infant stops responding, position them on a firm, flat surface, and yell for help. Check for breathing and begin CPR. After 15 compressions, open the airway and look for a foreign object. If visible, remove it and attempt to ventilate with two breaths.
Answer:
a. True
Explanation:
Alcohol travels through body from mouth, to stomach, into circulatory system, brain, kidneys, lungs and liver.
Alcohols when consumed gets passed through the mouth in the stomach. <u>As carbohydrates, alcohol are not digested as the molecule is very small and can easily pass through stomach lining, where the alcohol passes directly into bloodstream. Once it enters bloodstream, the alcohol is quickly distributed evenly throughout body.</u>
