Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Para 2 > Cestoda = Tapeworms: General Characteristics > Flashcards

Cestoda = Tapeworms: General Characteristics Flashcards

1
Q
  1. What is the narrowest part of the worm?
    a. Anterior end
    b. Neck
    c. Posterior end
    d. Midgut
A

b. Neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Which of the following is NOT true of the Cestoda tegument?
    a. Lined with microvilli
    b. Functions in nutrient absorption
    c. Lacks muscles
    d. Includes a glycocalyx
A

c. Lacks muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Cestodes have a well developed nervous system
    True
    False
A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. How many suckers do Acetabulate tapeworm heads have?
    a. 5
    b. 2
    c. 1
    d. 4
A

d. 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Which structure is the head of a tapeworm?
    a. Scolex
    b. DVM
    c. Proglottids
    d. Strobila
A

a. Scolex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Which of the following statements is false?
    a. Cestodes’ morphology consists of three parts: scolex, neck, and strobita.
    b. Tapeworms lack a mouth and a digestive tract.
    c. Tegument plays a role in the worms’ reproduction.
    d. Proglottid has male and female organs.
A

c. Tegument plays a role in the worms’ reproduction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Oncosphere is the embryo equipped with hooks and will give rise to larval form.
    True
    False
A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. The two morphological forms of cestodes’ scolex are:
    a. acetabulate and bothriate
    b. acetabulate and lipricate
    c. bothriate and lipricate
    d. lipricate and rostellate
A

a. acetabulate and bothriate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. What is the layer between outer envelope and inner envelope in cestodes’ egg?
    a. oncosphere
    b. parenchyma
    c. endothelium
    d. embryophore
A

d. embryophore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. What is the mechanism used by tapeworms that lack a mouth to absorb nutrients?
    a. Diffusion
    b. Endocytosis
    c. Transfection
    d. Generating electrical potential
A

a. Diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Cestodes belong to the phylum Platyhelminthes (roundworms).
    True
    False
A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. The Class Cestoidea in the Phylum Platyhelminthes is also known as
    a. roundworms
    b. flukes
    c. trematodes
    d. tapeworms
A

d. tapeworms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Where can the stem cells that give rise to tapeworms’ proglottids be found?
    a. scolex
    b. tail
    c. neck
    d. strobita
A

c. neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. What are the two classes of flatworms (Phylum Platyhelminthes)?
    a. Trematoda and Nematoda
    b. Trematoda and fluke
    c. Trematoda and Cestoidea
    d. Nematoda and Cestoidea
A

c. Trematoda and Cestoidea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. What serves as the major interface between Cestodes and their hosts?
    a. parenchyma
    b. scolex
    c. tegument
    d. proglottids
A

c. tegument

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What is the difference between anapolytic and apolytic worms?
    a. In anapolytic worms, eggs exit through the uterine pore.
    b. In apolytic worms, eggs exit through the uterine pore.
    c. In anapolytic worms, the entire gravid proglottid is released.
    d. none of the above
A

a. In anapolytic worms, eggs exit through the uterine pore.

17
Q
  1. If there is more than one worm that is 25 m long in your intestinal tract, then there is not much room for food.
    True
    False
A

True

18
Q
  1. For which kind of reproduction are proglottids used?
    a. sexual reproduction
    b. asexual reproduction
    c. both A & B
    d. none of the above
A

b. asexual reproduction

19
Q
  1. The hook at the anterior end of cestodes:
    a. is fixed
    b. is retractable
    c. can be fastened during certain time intervals
    d. falls off once contact with the host is made
A

b. is retractable

20
Q
  1. What is the hollow space where cestodes house their reproductive organs?
    a. oncosphere
    b. parenchyma
    c. endothelium
    d. embryophore
A

b. parenchyma

21
Q
  1. Which of the following structure counteracts the effect of all the enzymes from the host that attack the cestode?
    a. Golgi apparatus
    b. Ribosome
    c. Glycocalyx
    d. Lysosome
A

c. Glycocalyx

22
Q
  1. Tegumental and parenchymal musculature is:
    a. Circular and lateral
    b. Ovoidal and lateral
    c. Circular and longitudinal
    d. Ovoidal and longitudinal
A

c. Circular and longitudinal

23
Q
  1. Cestodes have ___ to ensure close contact during reproduction.
    a. Pili
    b. Cilia
    c. Spikes
    d. Pseudopods
A

c. Spikes

24
Q
  1. Which of the following structures are lined with microvilli?
    a. Golgi apparatus
    b. Glycocalyx
    c. Microthrix
    d. Scolex
A

b. Glycocalyx

c. Microthrix

25
Q
  1. One major role of the tegument is to ensure nutrient uptake.
    True
    False
A

True

26
Q
  1. Proglottids require two separate worms for mating to occur.
    True
    False
A

False

27
Q
  1. What was a very common misconception about tapeworms?
    a. That despite having no mouth, they consume a lot of food.
    b. That despite having no digestive tract, they’re very efficient at processing nutrients.
    c. That tapeworms are only found in people who don’t eat a lot.
    d. That tapeworms are, in actuality, very limited in how much food they can intake.
A

a. That despite having no mouth, they consume a lot of food.

28
Q
  1. What are the segments of the worm that make up the strobila called?
    a. scolex
    b. proglottids
    c. tegument
    d. glycocalyx
A

b. proglottids

29
Q
  1. Most of the treatment drug targets in Cestodes will be in the neck region, due to the fact that development of the worms are propelled by cells there.
    True
    False
A

True

30
Q
  1. Where would you find maturely developed sexual organs in Cestodes?
    a. the neck
    b. the anterior proglottids
    c. the scolex
    d. the posterior proglottids
A

d. the posterior proglottids

31
Q
  1. Match the type of egg with its right characteristics.
    [have outer shell and all other layers] 1. Pseudophyllidean egg
    [have only a thick outer envelope] 2. Dipylidean egg
    [embryophore will be the outermost covering] 3. Taenoid eggs
A

[have outer shell and all other layers] 1. Pseudophyllidean egg
[have only a thick outer envelope] 2. Dipylidean egg
[embryophore will be the outermost covering] 3. Taenoid eggs

32
Q
  1. The infective form of Pseudophyllidean (the form that infects definitive mammalian hosts) are:
    a. plerocercoids
    b. procerciods
    c. coracidia
    d. larva
A

a. plerocercoids

33
Q
  1. Which type of host would be better for a human to be used as by a Cestode?
    a. intermediate
    b. definitive
    c. both
    d. neither
A

b. definitive

34
Q
  1. What affects the morphology of the worm as they develop from the egg stage to the larval form?
    a. type of host they use for the intermediate (vertebrate vs invertebrate)
    b. the place the eggs go to live inside of their intermediate host
    c. the place the eggs are expelled to immediately after being released from the worm
    d. the age of the human that they use for an intermediate host
A

a. type of host they use for the intermediate (vertebrate vs invertebrate)

35
Q
  1. Cestodes are multi-segmented and can be up to 25 m long.
    True
    False
A

True

36
Q
  1. The morphological form, acetabulate, of the cestode’s scolex has two, four, or six longitudinally arranged shallow depressions
    True
    False
A

False

37
Q
  1. In invertebrate hosts, the oncosphere of a Cyclophyllidean enters the hemocoel and metamorphoses into a cysticercus.
    True
    False
A

False

38
Q
  1. Apolytic worms have no uterine pore.
    True
    False
A

True

39
Q
  1. Humans are rarely infected with multiple worms.
    True
    False
A

True

Para 2 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions