2014 Practice-Test-2-ANSWERS.pdf

2014 Practice-Test-2-ANSWERS.pdf - Psych 3M03 Motivation...

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Psych 3M03 Motivation and Emotion Midterm Test #2 Practice Multiple Choice Questions 1. Which of the following best outlines the mechanism of concurrent blood vessel dilation and constriction during sympathetic nervous system activation? a) Tissues and organs in the body possess two different adrenergic receptors, which respond differently to both adrenaline and noradrenaline. b) Tissues and organs in the body possess two different adrenergic receptors, which respond exclusively to either adrenaline or noradrenaline. c) Tissues and organs in the body possess either adrenergic or muscarinic receptors, which respond differently to either noradrenaline or acetylcholine. d) Tissues and organs in the body react differently to sympathetic nervous system activation based on hypothalamic influences via the vagus nerve. 2. Mice are known to mate with multiple conspecifics, regardless of sex, but not maintain relationships. What can be said about their relationship? a) Polygynous b) Polyandrous c) Promiscuous d) Both A and B 3. Nearing the end of the follicular phase of the menstrual cycle, what hormone triggers ovulation? a) Estrogen b) Follicle Stimulating Hormone c) Progesterone d) Luteinizing Hormone 4. Electrical stimulation of the sexually dimorphic nucleus in the brain of a male mouse will cause which of the following? a) Extinction of sexual behaviour b) Moderate increase in sexual behaviour c) Moderate decrease in sexual behaviour d) Extreme increase in sexual behaviour (will mount other animals)
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Psych 3M03 Motivation and Emotion Midterm Test #2 Practice 5. Moderate levels of cortisol can lead to feelings of happiness. Which of the following best outlines the mechanism through which this occurs? a) Increased synthesis of monoamine neurotransmitters. b) Decreased breakdown of monoamine neurotransmitters. c) Increased negative feedback to the hypothalamus. d) Decreased negative feedback to the hypothalamus. 6. Which of the following best outlines the average adult human circadian rhythm of cortisol? a) Cortisol levels are highest in the evening, decrease during sleep, and lowest around the point of waking. b) Cortisol levels are highest during times of intense stress and lowest during times of no stress. c) Cortisol levels are highest around the point of waking, decrease throughout the day, and lowest in the evening.
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