States of Consciousness and Sleep Worksheet

Which of the following is a naturally induced altered state of consciousness?

• Hypnosis

• Daydreaming

• Meditation

• Anaesthesia

Which of the following is not usually used as a physiological measurement to determine a state associated with sleep?

• ECG

• EEG

• EOG

• EMG

Which of the following is an objective measure of sleep?

• EOG

• Sleep diary

• Video monitoring

• Observation of a patient in a sleep laboratory

Noa had a knock to the head while he was playing soccer. His mum took him to the doctor to check if he was all right. The doctor placed some electrodes on his head and after monitoring for a while suggested that the results were normal. The device the doctor used was an _____ and if Noa was in normal waking consciousness, he would have showed _____ waves.

• EEG; low frequency, high amplitude

• EEG; delta

• EEG; high frequency, low amplitude

• EOG; high frequency, low amplitude

Which of the following is a circadian rhythm?

• REM/NREM cycle

• Respiration cycle

• Hunger and eating cycles

• Sleep–wake cycle

A biological _____ is maintained and controlled by a biological clock. The main biological clock for humans is the _____.

• rhythm; hypothalamus

• rhythm; suprachiasmatic nucleus

• process; suprachiasmatic nucleus

• process; hypothalamus

Which of the following statements regarding the suprachiasmatic nucleus (SCN) is not true?

• It responds to incoming light.

• It cannot adjust the sleep-wake cycle.

• It works with the pineal gland.

• It is located in the hypothalamus.

The release of melatonin is most closely linked to the amount of

• heat

• light

• temperature

• blue light

As well as sunlight, melatonin release can be inhibited by

• blue light and temperature.

• room lights and infrared rays.

• blue light and room lights.

• blue light and digestion.

A sleep cycle is an example of an ultradian rhythm as is typically lasts for

• longer than 200 minutes.

• less than 90 minutes.

• less than 45 minutes.

• 70–100 minutes.