Psych210 quiz2&exam

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PSY 210 – QUIZ 2

1. The process of translating a physical stimulus into action potentials is known as

a. transduction. b. translation. c. absorption. d. the dark current.

2. ________ serves as an important gateway to perception.

a. Attention

b. Learning

c. Memory

d. Consciousness

3. The amplitude of a light wave is encoded as _____________, while the wavelength of a light wave is encoded as ___________________.

a. brightness; color

b. color; brightness

c. saturation; reflection

d. hue; saturation

4. Of the following species, which has the largest number of genes in their genome?

a. plants

b. flies c. yeast cells

d. human beings

5. An individual organism's set of genetic instructions is known as the their

a. telomere.

b. genotype.

c. phenotype.

d. chromosome.

6. An individual organism’s observable characteristics, are known as their

a. genome.

b. genotype.

c. phenotype.

d. chromosome.

7. Which of the following is the best example of a phenotype?

a. Ryan has black hair.

b. Jessica has an allele for type O blood from her father and one for type A blood from her mother.

c. Andrew has one gene for blonde hair and another gene for black hair.

d. Elizabeth has two copies of the APOE3 allele.

8. Which of the following is the best example of a genotype?

a. Nicole has green eyes.

b. Justin is taller than his parents.

c. Lauren has the same hair color as her fraternal twin sister.

d. Anthony has two copies of the APOE2 allele.

9. The structure indicated by the number 3 in this image is 

 

a. 

​myofibril.

 

b. 

​z-line.

 

c. 

​sarcomere.

 

d. 

​motor end plate.

10. Single segments of a myofibril are called​

 

a. 

​sarcomeres.

 

b. 

​twitches.

 

c. 

​Z lines.

 

d. 

​troponins.

11. A Z line is ​

 

a. 

​a segment of myofibril.

 

b. 

​a type of muscle fiber.

 

c. 

​the boundary of a sarcomere.

 

d. 

​the path of a muscular action potential.

12. ________ is a protein that makes up the thin filaments of myofibril.​

 

a. 

​Pectin

 

b. 

​Myosin

 

c. 

​Actin

 

d. 

​Sarcomere

13. Muscle fibers contract when Z lines move _________ and the sarcomeres _________.​

 

a. 

​farther apart; stretch

 

b. 

​farther apart; shorten

 

c. 

​closer together; stretch

 

d. 

​closer together; shorten

14. When Daniel drives down the street, other people stop and stare because of the loud, low-pitched sounds coming from the new sound system in his car. What types of sound waves are coming from Daniel’s car?

a. high amplitude, low frequency

b. high amplitude, high frequency

c. low amplitude, low frequency

d. low amplitude, high frequency

15. In the film Harry Potter and The Prisoner of Azkaban, the “Fat Lady” painting tries to break a glass with the high-pitched, loud sound of her singing voice alone. Which type of sound stimulus is the Fat Lady trying to produce?

a. high amplitude, low frequency

b. high amplitude, high frequency

c. low amplitude, low frequency

d. low amplitude, high frequency

16. Sound waves with a single frequency are known as

a. pure tones, which are rare in nature.

b. pure tones, which are common in nature.

c. complex tones, which are rare in nature.

d. noise, which is common in nature.

17. Sound waves that do not show a regular, repeating pattern are perceived as

a. loud.

b. soft.

c. pure tones.

d. noise.

18. Pain is typically experienced when people are exposed to sounds above _________ dB.

a. 60

b. 90

c. 110

d. 130

19. The patellar tendon or “knee jerk” reflex is an example of a _________ reflex.

a. withdrawal

b. flexion

c. monosynaptic

d. polysynaptic

20. Golgi tendon organs provide feedback about

a. muscle stretch.

b. force.

c. position.

d. movement.