Circadian Rhythm Disorders — MCQs

A 32-year-old man comes to the physician complaining of excessive sleepiness for the past several months. He reports falling asleep while dealing with customers and had a near accident when he fell asleep while driving. The patient reports that he occasionally hears voices while falling asleep and finds himself "temporarily frozen" and unable to move upon awakening. Which of the following is the most appropriate treatment for this patient?

The human body has rhythmic fluctuations in its function on a circadian cycle. Circadian rhythm is controlled by:

Adrenocorticotropic hormone is the drug of choice in which of the following conditions?

All of the following factors are involved in altered patterns of hormone release except

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:

A nondiabetic, nonhypertensive patient has occasional extra heartbeats. The doctor informed them it is benign, but the patient continues to seek investigations from doctor to doctor. This is a type of:

In which of the following conditions would the cortisol level be highest?

Identify the structure marked by a red arrow in the image.

Which factor best predicts response to light therapy in SAD?

In comparison to a normal healthy person, in the evening time, which of these will have an elevated ACTH as well as elevated Cortisol?