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Aquatic animals

Total questions: 78

Worksheet time: 39mins

Name
Class
Date
1.

What's the size of the world's smallest fish?

a)

1-2 mm

b)

1-2 cm

c)

10 mm

d)

50 μm

e)

7-8 mm

2.

Which fish species is homeotherm?

a)

Channel catfish

b)

Long eared sunfish

c)

Rainbow trout

d)

Atlantic bluefin tuna

e)

Striped bass

3.

What is a fish?

a)

Aquatic vertebrate with gills and with limbs in the shape of fins

b)

Terrestrial vertebrate with gills and with fins in the shape of gills

c)

Aquatic vertebrate with fins and with limbs in the shape of gills

d)

Aquatic vertebrate with limbs and gills

e)

Terrestrial vertebrates with limbs and ears

4.

Where do we find the highest diversity of fishes (geographically)?

a)

In Australia

b)

In Arctic

c)

In Antarctica

d)

In the tropics

e)

In North America

5.

What is the wrong answer among the following propositions ?

a)

Lungfishes can live in a state of dry “suspended animation”

b)

Antarctic fishes live in water that is colder than the freezing point of their blood.

c)

Some deepsea fishes can swallow prey larger than themselves.

d)

Gender change is common among fishes

e)

African killifishes' life span is 50 years.

6.

What is rete mirabile in tunas ?

a)

A type of gills

b)

A thermoregulation system

c)

A type of scales

d)

A species of tuna

e)

A type of diet

7.

What is the most represented species of fish?

a)

Jawless fish

b)

Cartilaginous sharks

c)

Skates and rays

d)

Bony fishes

e)

Chimaeras

8.

What is the altitude record of some nemacheiline river loaches ?

a)

200 m

b)

400 m

c)

1200 m

d)

3500 m

e)

5200 m

9.

What is the name of the science studying fish?

a)

Fishology

b)

Pisciology

c)

Ichthyology

d)

Entomology

e)

Sharkology

10.

What fish can have a lifespan as long as 150 years?

a)

Sturgeons

b)

Pygmy gobies

c)

Tunas

d)

Whales

e)

Wheels

11.

What area(s) contain the highest marine diversity ?

a)

Indo-West Pacific area and Red sea

b)

South America

c)

Southeast Asia

d)

Africa

e)

Antarctica

12.

The deepest living fishes are:

a)

Pupfishes

b)

Nemacheiline river loaches

c)

Whale shark

d)

Ocean sunfish

e)

Cusk-eels

13.

Bluefin tuna must thermoregulate in order to avoid hypothermia and shock in general. How extreme can be the temperature change?

a)

15°C in 10 to 15 minutes

b)

17°C in 10 to 15 minutes

c)

13°C in 15 to 20 minutes

d)

15°C in 15 to 25 minutes

e)

13°C in 10 to 15 minutes

14.

How many meters remain the deepest living fishes (cusk-eels) in the deep sea?

a)

5000 m

b)

2000 m

c)

1000 m

d)

8000 m

e)

2500 m

15.

Antarctic fishes live in water colder than the freezing point of their blood. How is it possible?

a)

their blood contain anti-freeze proteins

b)

they move faster to keep their blood temperature above freezing point

c)

they swim in groups to keep them warm

d)

their body fat is enough to keep their temperature above freezing point

e)

they swim deeper in the Ocean where the water is warmer

16.

In which species do the males exist as parasites fused to the females?

a)

Black Rockfish

b)

Lionfish

c)

Anglerfish

d)

Northern Pike

e)

Scorpion fish

17.

Choose the incorrect sentence regarding fish reproduction:

a)

Gender change is common amongst fishes

b)

Fishes engage in parental care like nest guarding

c)

Sharks don't have placenta

d)

Egg-laying fishes may lay eggs in living clams

e)

Longer lived species start to reproduce only at 20 years old

18.

Some fish species can emit their own light in a symbiotic way. What is the explanation?

a)

They eat a lot of plankton

b)

Their blood has a specific pigment

c)

Their scales have a specific pigment

d)

The light is produced by bacteria living on the fish

e)

The light is produced by parasites living on the fish

19.

Which species does not have lungs?

a)

Lungfishes

b)

Trout

c)

Gars

d)

African catfish

e)

Gouramis

20.

In which habitat can we found fishes?

a)

Thermal springs

b)

Sunless caves

c)

Anoxic swamps

d)

Hypersaline lakes

e)

All of them

21.

What’s “piping behavior” ?

a)

Fish repeatedly gape at the water’s surface

b)

Fish not floating properly

c)

Neurological syndrome of fish causing backward swimming

d)

Fish eating other fish

e)

Fish holding its fins closed

22.

What may a benthic species, relying on camouflage, need compared to another species spending majority of its time in the water column?

a)

More aggressive stimulus to incite a neurological reaction

b)

Less aggressive stimulus to incite a neurological reaction

c)

No aggressive stimulus to incite a neurological reaction

d)

More aggressive stimulus to incite no reaction

e)

Less aggressive stimulus to incite an ophthalmological reaction

23.

How do fungal and water mold infections present?

a)

As nodular growth on the surface of the skin

b)

As cottony growth on the surface of the skin

c)

As cystic growth on the surface of the skin

d)

They do not show on the skin

e)

As cottony growth in the internal organs

24.

In general, how is monitored the cardiac activity in fish ?

a)

By counting the opercular movement

b)

By auscultation

c)

By counting the heart beats

d)

By putting electrodes on the fish

e)

We cannot monitor it

25.

What kind of external biopsies is an integral part of the fish clinical workup ?

a)

Scraping

b)

Punch biopsies

c)

Tissue wet mounts

d)

Fine needle aspiration

e)

Imprint

26.

Unlike other vertebrate species, what is the common ocular condition in fish?

a)

Anophthalmia

b)

Exophthalmia

c)

Buphthalmos

d)

Astigmatism

e)

Presbyopia

27.

What parasite species can cause cataract in fish?

a)

Diplostomum spp.

b)

Paramphistomum cervi

c)

Dicrocoelium lanceolatum

d)

Prosthogonimus ovatus

e)

Fasciola hepatica

28.

Which of the following is used to highlight active ulcerations of the cornea?

a)

Fluorescein

b)

Lidocaine

c)

Vitamin C

d)

Ibuprofen

e)

Acetaminophen

29.

Heart rate in fish can be quantified using a variety of methods, including:

a)

Cardiac ultrasonography

b)

Electrocardiography

c)

Doppler flow

d)

Visual observation of gill movements

e)

A, B and C are correct

30.

Gill pathology is often caused by:

a)

High salt concentration in water

b)

Oxygen-rich water conditions

c)

Poor water quality or external infectious diseases

d)

Inadequate water temperature

e)

None of the above

31.

Ectoparasites of the skin may be able to be grossly detected as in the case of:

a)

Leeches

b)

Isopods

c)

Copepods

d)

Branchiurans

e)

All of the above

32.

“Pine-coning”or Lepidorthosis is a condition that belongs to:

a)

Severe edema of skin

b)

Severe coelomic distension

c)

Scales standing out

d)

A fish that appears to be more round than normal with a distended body cavity

e)

All of the above

33.

What is not observed during the physical examination of a fish in its tank?

a)

Interactions with tank mates of present

b)

Swimming pattern

c)

Schooling behaviour in schooling species

d)

Their respiratory tract

e)

Position in the water column

34.

Some fish may be seen scraping the bottom or sides of a tank. What is the explanation?

a)

They are malnourished

b)

They are bored

c)

They have external parasites

d)

They have a respiratory pathology

e)

The tank water is dirty and needs to be changed

35.

What measure is not recommended when handling a fish?

a)

General anesthesia

b)

Powder free latex gloves

c)

Non abrasive surface material

d)

Using paper towels

e)

Nitrile examination gloves

36.

Which sentence regarding the nostrils structure is incorrect ?

a)

They are paired

b)

They are located rostrally to the head

c)

If damaged, it impacts negatively the fish’s behavior

d)

The anterior and posterior openings may be separated by some tissue

e)

The water flows bidirectionally

37.

What is the normal colour of gills ?

a)

Dark pink to red

b)

Light pink

c)

Whitish to light pink

d)

Dark red to black

e)

Yellow to green

38.

Which lesion can be seen on the vent?

a)

Protrusion

b)

Ectoparasites

c)

Hemorrhage

d)

Exophthalmia

e)

Stomatitis

39.

How many gills do most fish species possess ?

a)

Two paired gill arches

b)

Four paired gill arches

c)

Three paired gill arches

d)

Eight paired gill arches

e)

Most species don't possess gills

40.

What’s “furonculosis”?

a)

Skin and fin disease

b)

Ophthalmic disease

c)

Gills disease

d)

Type of fish

e)

Colour

41.

How should the internal organs be evaluated?

a)

Grossly and microscopically as wet mount preparations

b)

Only grossly

c)

Only microscopically

d)

Grossly and microscopically as dry preparations

e)

They should not be evaluated

42.

Which of the following disease is not an ocular disease ?

a)

Hyphema

b)

Uveitis

c)

Gas bubble disease

d)

Aeromonas

e)

Exophthalmia

43.

Piscirickettsiosis is:

a)

Pandemic

b)

Endemic

c)

Epizootic

d)

Sporadic

e)

None of them

44.

What is the most useful, non-invasive diagnostic technique used in fish medicine ?

a)

Ultrasound

b)

Radiography

c)

Endoscopy

d)

MRI

e)

CT-scan

45.

Which one of these diseases is a “skin and fin disease”?

a)

Uveitis

b)

Hyphema

c)

Edwardsiellosis

d)

Cataract

e)

Exophthalmia

46.

What type of infectious disease is vibriosis ?

a)

Viral

b)

Parasitic

c)

Prion

d)

Bacterial

e)

Fungal

47.

Which sentence regarding blood cell morphology is incorrect?

a)

Erythrocytes are nucleated

b)

reticulocytes are rarely seen in blood smears

c)

thrombocytes can be round, oval or spiked

d)

neutrophils are one of the largest blood cells in fish

e)

Monocytes have a deep blue cytoplasm

48.

What ocular disorder is characterized by a non-infectious condition associated with the supersaturation of dissolved gases in the water column ?

a)

Cataract

b)

Cloudy eye disease

c)

Neoplasia

d)

Hyphema

e)

Gas bubble disease

49.

Which collected samples are prioritized during the necropsy?

a)

Samples for bacteriological and fungal analysis

b)

Samples for fungal analysis

c)

Samples for virology analysis

d)

Samples for molecular analysis

e)

Samples for histopathology analysis

50.

What is one of the goals with endoscopy in fish medicine?

a)

To examine the scales

b)

To examine the brain

c)

To examine the upper gastrointestinal system

d)

To detect ectoparasites

e)

To examine the skeleton of bony fish

51.

What is the name of the disease in which the eye decreases in volume and appears retracted/sunken into the skull?

a)

Exophthalmia

b)

Cataract

c)

Uveitis

d)

Enophthalmia

e)

Furunculosis

52.

Which bacteria causes furunculosis?

a)

Escherichia coli

b)

Campylobacter jejuni

c)

Brucella abortus

d)

Fusobacterium necrophorum

e)

Aeromonas salmonicida subspecies salmonicida

53.

Which of the following clinical signs is not seen in furunculosis?

a)

Lethargy

b)

Darkening of the skin

c)

Enophthalmia

d)

Exophthalmia

e)

Ventral hemorrhage

54.

Which of the following is not a clinical sign observed in Edwardsiellosis?

a)

Diarrhea

b)

Exophthalmia

c)

Congestion of the skin

d)

Increased mucus production

e)

Hemorrhage around the vent

55.

Which of the following is a condition where we observe blood in the anterior chamber of the eye?

a)

Cloudy eye

b)

Hyphema

c)

Cataract

d)

Gas bubble disease

e)

Vibriosis

56.

Gas bubble disease can be caused by:

a)

P. salmonis

b)

Neoplasia

c)

Oncorhynchus virus

d)

Supersaturation of nitrogen or oxygen in the water column

e)

Intralenticular parasites and excess of u.v. light

57.

We cannot identify Aeromonas in fish by:

a)

ELISA

b)

PCR

c)

Virus neutralisation test

d)

Direct fluorescent antibody technique

e)

Indirect fluorescent antibody technique

58.

What's HITH syndrome ?

a)

Locomotor syndrome

b)

Hazelnut head transformation

c)

Acute to chronic progressive erosive or ulcerative dermatopathy

d)

Head tumor

e)

Acute disease

59.

KOI herpesvirus is caused by:

a)

Fish pox viruses

b)

Water bacteria

c)

Infestation with parasites

d)

Cyprinid herpesvirus-3 (CyHV-3)

e)

Water herpesvirus (WaHV-H2O)

60.

What is the clinical sign of lymphocystis?

a)

Cream to greyish color wart-like masses of the fins and skin

b)

Orange color wart-like masses of the fins and skin

c)

Red color wart-like masses of the fins and skin

d)

Cream color nodules in internal organs

e)

Orange color nodules in internal organs

61.

What is branchiomycosis?

a)

A localized to diffuse fungal disease

b)

A diffuse fungal disease

c)

A localized viral disease

d)

A localized bacterial disease

e)

A diffuse bacterial disease

62.

What is the common name for branchiomycosis?

a)

Gill rot

b)

Mycogill

c)

Gill mushrooms

d)

Branchial rot

e)

None of them

63.

What chronic bacterial disease have natural outbreaks restricted to the salmonid species ?

a)

Furunculosis

b)

Bacterial kidney disease (BKD)

c)

Mycobacteriosis

d)

Lymphocytosis

e)

Head and lateral line syndrome (HLLE)

64.

What disease is represented clinically by superficial, raised white cysts containing numerous spores and occurring on the head, body and fish.

a)

Head and lateral line syndrome

b)

Neoplasia

c)

White spot disease

d)

Koi herpesvirus

e)

Myxosporidiosis

65.

Which one of these diseases is a highly contagious viral disease of feral and cultivated carp?

a)

Columnaris

b)

Koi herpesvirus

c)

Branchiomycosis

d)

Amoebic gill disease

e)

Glochidiosis

66.

Which one of these diseases is a bacterial infectious disease ?

a)

Glochidiosis

b)

Amoebic gill disease

c)

Columnaris

d)

Branchiomycosis

e)

None of the above

67.

“Spawning Rash” is a transient infection that has been reported primarily in:

a)

Striped bass

b)

Sardines

c)

Adult mackerel

d)

Adult rainbow trout

e)

All of the above

68.

Myxosporidiosis is caused by:

a)

Ichthyophthirius multifiliis

b)

Cryptocaryon irritans

c)

Glugea spp.

d)

Edwardsiella ictaluri

e)

None of the above

69.

KOI HERPESVIRUS is a temperature dependent disease, occurring between:

a)

16°C and 25°C

b)

10°C and 15°C

c)

26°C and 30°

d)

Both A and B

e)

None, KHV is temperature independent

70.

Which of the following diseases show signs of respiratory distress?

a)

Myxosporidiosis

b)

Glochidiosis

c)

Coelomic distension

d)

Goiter

e)

None of the above

71.

Which of the following is a gill disease ?

a)

Gas bubble disease

b)

Branchiomycosis

c)

Columnaris

d)

Koi herpesvirus

e)

All of the above

72.

Gill tissue neoplasms:

a)

Present soft to firm whitish growths

b)

Are attached to the supporting branchial cartilage

c)

Have the potential to differentiate into cartilage

d)

Rarely interfere in respiration

e)

All of the above

73.

Which of the following diseases cause hypoxia in fish?

a)

Amoebic gill disease

b)

Columnaris

c)

Gas bubble disease

d)

White spot disease

e)

Myxosporidiosis

74.

What is the best method available to diagnose Mycobacteriosis?

a)

PCR

b)

Histopathology exam

c)

Immunohistochemical staining

d)

External clinical examination

e)

Immunofluorescence test

75.

Which disease does Ichthyophthirius multifiliis cause?

a)

Head and lateral line syndrome

b)

Myxosporidiosis

c)

Columnaris

d)

White spot disease

e)

Neoplasia

76.

Amoebic gill disease is commonly observed in the following circumstances:

a)

2°C and previous gill damage

b)

5°C and high stocking densities

c)

10°C and salinities below 15%

d)

15°C and salinities of 21-30%

e)

>16°C and salinities >32%

77.

Gas bubble disease is referring to a/an:

a)

Ocular disease

b)

Gipl and skin disease

c)

Gill and fin disease

d)

Ocular and gill disease

e)

Skin and fin disease

78.

What’s “Dropsy” ?

a)

Bubble formation

b)

Fish's species name

c)

Coelomic distension disorder

d)

Gills malformation

e)

Medicine name

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