AQA Psychology for A Level Year 2 - Student Bk

Circadian rhythms 1. Which of the following is an example of the circadian rhythm? (a) The menstrual cycle. (b) Seasonal affective disorder. (c) The sleep/wake cycle. (d) The stages of sleep. 2. In Siffre’s cave study and Aschoff and Wever’s bunker study the biological clock is not influenced by exogenous zeitgebers (such as light). Within these studies, the biological clock is described as . . . (a) Free-wheeling. (b) Free-trading. (c) Free-flowing. (d) Free-running. 3. Core body temperature varies by approximately how many degrees over a 24-hour period? (a) 1 degree C. (b) 2 degrees C. (c) 3 degrees C. (d) 5 degrees C. 4. Research into circadian rhythms has contributed to our understanding of chronotherapeutics. What is chronotherapeutics? (a) The study of the timing of drug dosing. (b) The study of how circadian and infradian rhythms interact. (c) The study of how endogenous pacemakers are detected by skin receptors. (d) The study of the effects of disruption of circadian rhythms (including shift work and jet lag). Infradian rhythms 1. The Stern and McClintock study investigated the influence of which chemicals? (a) Hormones. (b) Pheromones. (c) Phonemes. (d) Garden gnomes. 2. Rapid eye movement (REM) occurs in which phase of the sleep cycle? (a) Stages 1 and 2. (b) Stages 3 and 4. (c) Stage 5. (d) It is not part of the sleep cycle. 3. Melatonin is secreted by the . . . (a) Adrenal gland. (b) Thyroid gland. (c) Pituitary gland. (d) Pineal gland. 4. Which pattern of brainwave activity is not a feature of the sleep cycle? (a) Alpha waves. (b) Beta waves. (c) Delta waves. (d) Theta waves. Endogenous pacemakers and exogenous zeitgebers 1. The SCN is located within which part of the brain? (a) Hypothalamus. (b) Hippocampus. (c) Amygdala. (d) Corpus callosum. 2. The mutant hamsters in the Ralph et al. study were bred to have circadian rhythms of how long? (a) 28 days. (b) 28 hours. (c) 24 hours. (d) 20 hours. 3. Campbell and Murphy’s participants had light shone . . . (a) On the back of their necks. (b) On the soles of their feet. (c) On the backs of their knees. (d) Up their noses. 4. DSPD stands for? (a) Deep sleep phase disease. (b) Dream sequence placement detector. (c) Dedicated serotonin producing drug. (d) Delayed sleep phase disorder. MCQ answers The nervous system and the endocrine system 1d, 2c, 3b, 4a Neurons and synaptic transmission 1a, 2c, 3a, 4d Localisation of function in the brain 1a, 2c, 3b, 4a Plasticity and functional recovery of the brain after trauma 1c, 2a, 3b, 4c Split-brain research into hemispheric lateralisation 1a, 2b, 3a, 4c Ways of investigating the brain 1a, 2b, 3c, 4d Biological rhythms: circadian rhythms 1c, 2d, 3b, 4a Biological rhythms: infradian and ultradian rhythms 1b, 2c, 3d, 4b Endogenous pacemakers and exogenous zeitgebers 1a, 2d, 3c, 4d Multiple-Choice Questions 59 •