Ch.10 Part A

Question 1

54) Olfaction is linked to what emotionally sensitive part of the brain?

Answer 1

54) Lymphatic.

Question 2

14) Which one of the special senses is different from the others because it senses internal rather than external stimuli

Answer 2

14) Equilibrium (semicircular canals and vestibule).

Question 3

20)The action potential patterns arriving from a sensory

Answer 3

20) F.

Question 4

10)Sensory receptors are found in

Answer 4

10) Dermis

Question 5

27) The diminishment of stimulus by a sensory area, over time, is referred to as;

Answer 5

27)Adaption or olfactory fatigue

Question 6

43) Ruffini corpuscles are responsible for sensing;

Answer 6

43)

Question 7

34) What type of receptor does not show adaptation? Why?

Answer 7

34) Nociceptors and proprioception.

Question 8

2) Complex numeral receptor are usually nerve endings enclosed in what?

Answer 8

2) Connective tissue capsules.

Question 9

52) What are the two structures involved in transmitting olfactory signals above the olfactory epithelium?

Answer 9

52) Bulb and tract.

Question 10

45) What three functional categories of temperature sensors contribute to our sense of heat or cold?

Answer 10

45)

Question 11

67) Pitch is determined by the frequency of the action potentials living the cochlea T/F

Answer 11

67) F.

Question 12

8) Thermoreceptors will continue to send action potential even if there is no change in receptor temp T/F

Answer 12

8) F*

Question 13

24) Which of the following is the correct sequence of structures stimulated during when you put your hand on an extremely hot surface;

Answer 13

24)

Question 14

30) Temperature receptors are complex neural receptors T/F

Answer 14

30) F.

Question 15

5) What type of receptors detect changes in fluid composition in the body

Answer 15

5) Chemoreceptors.

Question 16

26) Cold and warm receptors only give information about changes in skin temperature T/F

Answer 16

26) T.

Question 17

68) Intensity of perceived sound is determined by;

Answer 17

68) Frequency of AP.

Question 18

60) The major function of the tympanum is to;

Answer 18

60) Eardrum converts pressure waves into mechanical vibrations.

Question 19

39) Afferent pathways always move signals toward the;

Answer 19

39) Through sensory nerves to cns.

Question 20

17)which of the following is not a energy source or type of stimulis

Answer 20

17)*

Question 21

64) What are the sensory cells of the inner ear?

Answer 21

64) Hair cells.

Question 22

4) What structure type of receptor has no axon but passes all signals directly to an afferent neuron

Answer 22

4) Special senses.

Question 23

35) A structure that converts a stimulus into an AP is called a;

Answer 23

35) Transduction*

Question 24

66) What four steps happen after stereo cilia in the basilar membrane are pressed against?

Answer 24

66)

Question 25

32) What two senses are most emotionally disturbing and why?

Answer 25

32) Smell and itch.

Question 26

59) The scientific name for the eardrum is the;

Answer 26

59)

Question 27

12)What are the five major special senses

Answer 27

12) Vision (eyes), Hearing (ears), Taste (tongue), Smell (olfactory epithelium), Equilibrium (semicircular canals and vestibule).

Question 28

3) A pacinian corpuscle is an example of what structural type of receptor

Answer 28

3) Complex neural*

Question 29

25) A substance that causes pain to be reduced is called a;

Answer 29

25) Analgesic

Question 30

38) Pruritis is more commonly called;

Answer 30

38) Itch.

Question 31

51) What structures branch out and receive odorant molecules from incoming air?

Answer 31

51)

Question 32

36) What structural type of receptors are composed of neurons with free nerve endings?

Answer 32

36) Simple receptors; neurons with free nerve endings.

Question 33

21) What is the benefit of having reflexes, rather than sending all signals to the brain for processing?

Answer 33

21) Rapid and reliable response.

Question 34

40) What are the two types of stimuli for the senses based on location?

Answer 34

40) Internal and external receptors.

Question 35

61) The major function of the ossicles of the ear are to;

Answer 35

61) Transmit vibration, strength, power, allow damping.

Question 36

53) The olfactory tract and bulb contain;

Answer 36

53)

Question 37

7) What type of receptors detect physical change in tissue

Answer 37

7) Mechanoreceptors.

Question 38

13) If a signal reaches the spinal cord and the motor nerve is immediately stimulated this is normally a reflex action T/F

Answer 38

13) T

Question 39

42) The main cause of referred pain is;

Answer 39

42) Convergence

Question 40

55) Which of the following is not a taste receptor on the taste buds?

Answer 40

55) Sour, sweet, salt, bitter, and umami.

Question 41

23) The mechanism of pruritus is well established and the treatments are usually very effective T/F

Answer 41

23) F.

Question 42

57) Sound waves directly stimulated the hair cells and generate action potentials T/F

Answer 42

57) F.

Question 43

65) Which of the two membranes of the cochlea that work together to generate action potentials?

Answer 43

65) Basilar and sectoral membrane.

Question 44

33) What type of pain is caused in one location but felt in another?

Answer 44

33) Referred pain.

Question 45

28) What is the primary cause of referred pain?

Answer 45

28) Ischemia, lack of oxygen to internal organs

Question 46

58) Which of the following is the correct sequence of structures involved in the hearing process;

Answer 46

58)

Question 47

16) What two structures of the inner ear are responsible for the sense of balance

Answer 47

16) semicircular canals and vestibule.

Question 48

70) What are the two types of deafness?

Answer 48

70)Conductive and sensorineural or central.

Question 49

6) Oxygen and ph sensors in the brain are examples of what type of receptors

Answer 49

6) Chemoreceptors.

Question 50

11) The rods and cones in the eyes are examples of what functional type of receptor

Answer 50

11) Photoreceptors

Question 51

62) Mechanical vibrations of the ossicles are converted into fluid waves at the oval window T/F

Answer 51

62) T.

Question 52

69) The main function of our pinnae are to direct sound waves into the ear canal T/F

Answer 52

69) F.

Question 53

48) What type of analgesic blocks sensations of pain by blocking NT release in the brain?

Answer 53

48)

Question 54

50) Olfactory cells are in what functional category?

Answer 54

50)

Question 55

29) Olfactory fatigue is an example of a phenomenon known as;

Answer 55

29) Adaptation.

Question 56

19) How is the location of a stimulus determined (what part of the body it came from)?

Answer 56

19) Location determined by area of brain stimulated by afferent nerve (No special info in APS)

Question 57

47) What are the free nerve ending receptors responsible for sensing pain and itch?

Answer 57

47)

Question 58

37) What type of nerve endings are responsible for sensing pain and chemicals in the skin?

Answer 58

37) Free nerve ending.

Question 59

15)The CNS is composed of

Answer 59

15) Brain or spinal cord.

Question 60

56) What are found on the surface of the tongue?

Answer 60

56) Taste buds.

Question 61

31) What are the three structural categories of sensory receptors?

Answer 61

31)

Question 62

22) How is the intensity of a stimulus determined?

Answer 62

22) Frequency AP.

Question 63

9) What type of receptors detects changes in the temperature

Answer 63

9) Thermoreceptors

Question 64

49) What cells convert smells into APs

Answer 64

49)

Question 65

44) Light or brief touch is sensed best by the;

Answer 65

44)

Question 66

63) What are the two membranes of the cochlea that work together to generate action potentials?

Answer 66

63) Basilar and sectoral membrane.

Question 67

46) If you put your hand into ice water, what two receptors would be stimulated?

Answer 67

46)

Question 68

18) What pathway has signals moving through sensory nerves to the CNS

Answer 68

18) Reflexive path.

Question 69

41) What two receptors in the skin are responsible for sensing deep pressure and vibration?

Answer 69

41) Pacinian corpuscles and Merkel receptors.

Question 70

71) How do the two types of deafness compare? What causes each?

Answer 70

71) Conductive; failure of tympanum, ossicles, or cochlea to transmit vibrations. Sensorineural or central; inability to convert vibrations into AP, transmit AP to brain, or to interpret signals from cochlea as sound.