Q: Which equation best represents the relationship between sleep and energy conservation?

$$\text{Energy conserved} = \text{Basal metabolic rate} \times \text{Hours of sleep}$$

Question 1

Which of the following best describes the function of the blood-brain barrier?

Accepted Answer

It isolates the brain from harmful substances by using highly selective carriers and tight junctions.

Question 2

A patient is experiencing abnormal neurotransmitter release in the brain, leading to persistent feelings of sadness. Which term best describes this condition?

Accepted Answer

Mood disturbance

Question 3

Which area of the brain lacks the blood-brain barrier, making it more susceptible to circulating substances?

Accepted Answer

Hypothalamus

Question 4

Which of the following is NOT a possible explanation for why sleep is necessary?

Accepted Answer

To increase CNS alertness

Question 5

A student is able to recall facts for an exam by consciously focusing and comparing information. Which type of memory is being used?

Accepted Answer

Declarative memory

Question 6

Which equation best represents the limited storage capacity of short-term memory?

Accepted Answer

$$	ext{Capacity} = 7 \pm 2$$

Question 7

Which of the following best describes associative learning?

Accepted Answer

Two stimuli are associated with each other

Question 8

A person repeatedly ignores the sound of a ticking clock, eventually not noticing it at all. This is an example of:

Accepted Answer

Habituation

Question 9

Which system is primarily responsible for monitoring internal and external environments and initiating reflex responses?

Accepted Answer

Sensory system

Question 10

Which of the following is a characteristic of reflexive (implicit) memory?

Accepted Answer

Is acquired slowly through repetition and does not require conscious recall

Question 11

A patient with Alzheimer’s disease is most likely to experience which of the following?

Accepted Answer

Progressive neurodegeneration leading to cognitive impairment

Question 12

Which of the following best describes the process of consolidation?

Accepted Answer

Conversion of short-term memory to long-term memory

Question 13

Which of the following is NOT a major type of motor system output?

Accepted Answer

Sensory monitoring

Question 14

A person feels satisfied after eating and stops seeking food. This is an example of:

Accepted Answer

Satiety

Question 15

Which of the following best describes working memory?

Accepted Answer

A special form of short-term memory processed in the frontal cortex that keeps track of information long enough to use it in a task

Question 16

Which of the following is a plausible physiological function that exhibits circadian rhythms?

Accepted Answer

Heart rate

Question 17

Which equation best represents the relationship between sleep and energy conservation?

Accepted Answer

$$	ext{Energy conserved} = 	ext{Basal metabolic rate} 	imes 	ext{Hours of sleep}$$

Question 18

Which of the following is true about emotions in the CNS?

Accepted Answer

They involve complex neural pathways and are difficult to define.

Question 19

A person develops PTSD after a traumatic event, which is an example of maladaptive:

Accepted Answer

Sensitization

Question 20

Which of the following best describes the relationship between learning and memory?

Accepted Answer

Learning is the acquisition of knowledge, while memory is the ability to retain and recall information.

Central Nervous System: Structure, Function, and Cognitive Processes

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