Question 1

Which of the following best describes the primary function of the hypothalamus in the human brain?

Accepted Answer

Monitoring pleasurable activities such as eating, drinking, and sexual behavior, and regulating the body's internal state.

Question 2

A researcher wants to determine if there is a relationship between hours spent studying and exam scores among college students. Which research method is most appropriate for this investigation?

Accepted Answer

Correlational research

Question 3

Which of the following statements about neurotransmitters is TRUE?

Accepted Answer

Neurotransmitters are chemical substances stored in tiny sacs within the neuron's terminal buttons and transmit information across a synaptic gap.

Question 4

During an experiment, neither the participants nor the experimenter knows who is in the control group or the experimental group. This design is known as:

Accepted Answer

Double-blind experiment

Question 5

Which part of the eye acts like the aperture of a camera, opening and closing depending on the amount of light required to enter the eye?

Accepted Answer

The pupil

Question 6

A psychologist is interested in how people naturally organize their perceptions according to certain patterns. This approach is best described as:

Accepted Answer

Gestalt psychology

Question 7

Which of the following is an example of psychological dependence on a drug?

Accepted Answer

Having a strong desire to repeat the use of a drug for emotional reasons.

Question 8

A student is able to recognize that a door remains the same shape even when viewed from different angles. This ability is best explained by:

Accepted Answer

Perceptual constancy

Question 9

Which of the following statements about sleep and memory is supported by research?

Accepted Answer

Sleep enhances synaptic connections between neurons, aiding memory consolidation.

Question 10

A researcher assigns participants to groups by chance to reduce preexisting differences between groups. This process is called:

Accepted Answer

Random assignment

Question 11

Which of the following is the correct sequence for the transmission of a neural impulse?

Accepted Answer

Dendrite $$\rightarrow$$ axon $$\rightarrow$$ terminal button

Question 12

Which of the following best describes the absolute threshold?

Accepted Answer

The minimum amount of stimulus energy a person can detect.

Question 13

A psychologist wants to study the effect of color on patients' anxiety levels. She randomly assigns patients to either a room painted white or a room painted black, then measures their blood pressure. In this study, the independent variable is:

Accepted Answer

Room color

Question 14

Which of the following statements is TRUE regarding rods in the retina?

Accepted Answer

Rods are found everywhere except in the fovea.

Question 15

Which of the following is a function of the somatic nervous system?

Accepted Answer

Mobilizing the body for action in a dangerous situation.

Question 16

Which of the following best describes the process of perception?

Accepted Answer

The process of organizing and interpreting sensory information so that it makes sense.

Question 17

A person is able to adapt to new surroundings and learn new skills after brain injury. This ability is best explained by:

Accepted Answer

Brain's special capacity for change, known as plasticity.

Question 18

Which of the following is the best example of a double-blind experiment?

Accepted Answer

Neither the participants nor the experimenter know who is receiving the treatment and who is receiving the placebo.

Question 19

Which of the following best describes the pituitary gland?

Accepted Answer

A pea-sized gland just beneath the hypothalamus that controls growth and regulates other glands.

Question 20

A person is experiencing a prolonged period of stress due to the COVID-19 pandemic. This type of stress is best described as:

Accepted Answer

Chronic

Foundations of Psychology: Key Concepts, Methods, and Biological Bases

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