Exam Revision - HUBS 1406 Questions and Answers 2024

Exam Revision - HUBS 1406 Questions and Answers 2024 Kidney failure often leads to: A) Dehydration. B) Decreased parathyroid hormone secretion. C) Acidosis. D) Increased red blood cell production. -Answer-C) Acidosis. Substances larger than ________ are normally not allowed to pass through the filtration membrane. A) Urea. B) Sodium ions. C) Glucose. D) Amino acids. E) Albumin. -Answer-E) Albumin. Hypoventilation leads to: A) Low plasma CO2 levels and high pH. B) Low plasma CO2 levels and low pH. C) High plasma CO2 levels and high pH. D) High plasma CO2 levels and low pH. -Answer-D) High plasma CO2 levels and low pH. A person as lost a lot of blood after a large cut. Which of the following would be likely to occur as a result of the blood loss? A) Increased renin secretion. B) Increased parathyroid hormone secretion. C) Decreased aldosterone secretion. D) Decreased erythropoietin secretion. -Answer-A) Increased renin secretion. A person with chronic renal failure is likely to suffer from: A) Anaemia. B) Increased appetite. C) Quicker blood clotting. D) Alkalosis. -Answer-A) Anaemia. A person with chronic renal failure may have weak bones because: A) The effects of acidosis and parathyroid hormone would combine to decrease the minerals in bone. B) The effects of excess vitamin D would result in high plasma levels of calcium, leading to deposits in the bones. C) The nitrogenous wastes would build up in the bone. D) The effects of erythropoietin on the red bone marrow would weaken the bones. - Answer-A) The effects of acidosis and parathyroid hormone would combine to decrease the minerals in bone. A person with chronic obstructive pulmonary disease is unable to ventilate their lungs properly. Their kidneys are likely to respond to this by: A) Increasing excretion of bicarbonate ions. B) Increasing excretion of hydrogen ions. C) More retention of bicarbonate ions. D) B and C. -Answer-D) B and C. Quentin Van Hoogle was diagnosed as a child with a severe enterokinase deficiency. Based on what you know about this enzyme, which of the following effects would be the final result of this deficiency? A) Increased muscle growth and repair due to excess amino acid availability. B) Diarrhoea and abnormally high levels of nitrogenous wastes in urine. C) Constipation and development of obesity due to low leptin levels. D) Diarrhoea and oedema due to poor protein absorption. -Answer-D) Diarrhoea and oedema due to poor protein absorption. Linda the supermodel is permanently on a diet. She loves to eat her favourite diet mints, though, and gets through several packets a day. The sweetener in the mints is a sugar which is not absorbed. She finds that when she eats lots of mints she always gets diarrhoea. What is the most likely reason for this? A) The diarrhoea is most likely to be due to the fact that she has a poor diet and is malnourished