Podcast
Questions and Answers
What happens when there is an elevation of solutes like urea, unlike an elevation in plasma sodium concentration?
What happens when there is an elevation of solutes like urea, unlike an elevation in plasma sodium concentration?
- It causes cellular hydration and does not activate mechanisms to defend body fluid homeostasis.
- It causes cellular hydration and activates mechanisms to defend body fluid homeostasis.
- It does not cause cellular dehydration and does not activate mechanisms to defend body fluid homeostasis. (correct)
- It causes cellular dehydration and activates mechanisms to defend body fluid homeostasis.
Which of the following solutes are considered effective solutes?
Which of the following solutes are considered effective solutes?
- Urea and ethanol
- Glucose at normal physiologic plasma concentrations
- Sodium (Na+) and mannitol (correct)
- Methanol and glucose under insulin deficiency
What happens when glucose is administered under conditions of impaired cellular uptake, such as insulin deficiency?
What happens when glucose is administered under conditions of impaired cellular uptake, such as insulin deficiency?
- Glucose acts as an ineffective solute.
- Glucose acts as an effective extracellular solute. (correct)
- Glucose does not create any osmotic pressure gradients.
- Glucose is equally distributed across cell membranes.
Which of the following statements about osmolality is correct?
Which of the following statements about osmolality is correct?
What happens when hypotonic fluid is administered intravenously?
What happens when hypotonic fluid is administered intravenously?
Which of the following conditions is associated with an increase in extracellular fluid volume?
Which of the following conditions is associated with an increase in extracellular fluid volume?
What is the primary reason for administering isotonic saline intravenously?
What is the primary reason for administering isotonic saline intravenously?
Which of the following conditions is characterized by a decrease in serum sodium concentration?
Which of the following conditions is characterized by a decrease in serum sodium concentration?
What is the primary mechanism by which the body defends against changes in osmolality?
What is the primary mechanism by which the body defends against changes in osmolality?
Which of the following solutes is considered unique in terms of its osmotic behavior?
Which of the following solutes is considered unique in terms of its osmotic behavior?
