#1
Which hormone opposes the action of parathyroid hormone (PTH) and lowers blood calcium levels?
#2
What is the main source of vitamin D for the human body, which is essential for calcium absorption?
#3
Which mineral is often co-regulated with calcium and is important for bone health?
#4
What is the primary function of osteoclasts in bone tissue?
#5
Which gland produces and secretes calcitonin to help regulate blood calcium levels?
#6
What is the primary function of the parathyroid hormone (PTH) in the regulation of blood calcium levels?
#7
In cases of hypocalcemia, what symptoms might be observed due to low blood calcium levels?
#8
Which of the following hormones plays a role in the regulation of both calcium and phosphate levels in the blood?
#9
In the context of blood calcium regulation, what is the effect of calcitonin on bone cells?
#10
Which hormone is responsible for increasing calcium reabsorption in the kidneys, reducing calcium excretion in the urine?
#11
Which organ plays a crucial role in the conversion of vitamin D to its active form to regulate calcium absorption?
#12
What is the medical term for the condition characterized by excessive levels of calcium in the blood?
#13
What is the role of the thyroid gland in blood calcium regulation?
#14
In cases of hypercalcemia, what might be a potential symptom associated with the nervous system?
#15