Principles of Endocrine Regulation — MCQs

Receptors for thyroid hormones are present:

Diffusion of lipid-insoluble substances across the cell membrane depends on all of the following factors except which one?

Hormonal secretions are tightly controlled by the time of day due to an inbuilt biological clock in human body. This rhythmic secretion is controlled by:

All are true about hormone functions except:

Phospholipid associated with the mechanism of hormone action is

Which of the following hormones are under inhibitory control of hypothalamus?

Which of the following hormones regulates blood levels of 1,25-OH-cholecalciferol positively?

All are examples of negative feedback except

All of the following are known functions of hypothalamus except

Among the following, prolactin secretion is maximum: