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2. Immunology > Exam 2 Questions > Flashcards

Exam 2 Questions Flashcards

1
Q

What is the perfect time to first vaccinate puppies?

A

8-12 weeks

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2
Q

Which of the following would be most effective in treating a 2-day old foal within a serum IgG level of 200 mg/dl

A

Giving foal IgG intravenously

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3
Q

The most prominent immunoglobulin in the colostrum of most domestic animals is

A

IgG

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4
Q

In a fetal calf, which of the following organs is thought to develop first ?

A

Thymus

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5
Q

Which of the following breeds is considered hypoallergenic dog?

A

None of the above

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6
Q

Pet allergies are activated by the hair on pet

A

False

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7
Q

Symptoms of pet allergy are similar to hay fever symptoms

A

True

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8
Q

Urticaria is an acute immune response to a foreign substance. Which of the following is not a common causes of urticaria in animals?

A

Ingestion of an allergen

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9
Q

Reptiles are a common cause of pet allergy

A

False

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10
Q

If you are allergic to pets, you can have symptoms even when pet is not in the room

A

True

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11
Q

Pet allergy is a form of allergic rhinitis

A

True

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12
Q

Which of these will not necessarily help minimize symptoms if you are allergic to pets?

A

Keep your pets outdoors

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13
Q

What are the 3 steps of delayed hypersensitivity?

A
  1. Sensitization
  2. Repeat exposure
  3. Inflammation
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14
Q

Second exposure to an allergen results in all of the following except:

A

Vasoconstriction

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15
Q

What type of hypersensitivity does a tuberculin skin test elicit?

A

Type IV- delayed

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16
Q

Which of the following drugs is least appropriate for the emergency treatment of a systemic anaphylactic reaction?

A

Antibiotics

17
Q

Normal adaptive immune responses include cell mediated immunity against intracellular invading organisms and antibody immunity against extracellular organisms. however, autoimmune disease, tissue damage, inappropriate inflammation, and amyloidosis can result when the adaptive immune system responds excessively. These hypersensitivities are classified into four different types of reactions. Anaphylactic reactions are classified as which of the following types of hypersensitivities?

A

Type 1

18
Q

The elimination of self-reactive T cells in the thymus are called?

A

Negative selection

19
Q

Which of the following lymphoid organs is the first to develop in the fetus?

A

Thymus

20
Q

What is the predominant Ig class in colostrum?

A

IgG

21
Q

In which of these mammals does IgG freely cross the placenta?

A

Human

22
Q

What is the earliest age at which a vax may be reasonably expected to protect a puppy against canine distemper?

A

8 weeks

23
Q

Which of the following cell types can be made tolerant?

A

B and T cells

24
Q

In the BVD example what is the reason for absense of tolerance in the passively infected (PAI) calves from a persistently newborn infected calf?

A

The PAI have a developed immune response

25
Q

What would generally explain tolerance of food Ags?

A

High dose of food Ags

26
Q

What is the most important molecular mechanism which explains oral tolerance?

A

Secretion of TGF-b by TH3

27
Q

Leukocyte adhesion deficiency (LAD) is an autosomal recessive primary immunodeficiency in which phagocytes are unable to adhere two vessel walls and move toward a site of infection. which of the following is a common clinical manifestation of LAD?

A

Fever and anorexia

28
Q

Immunodeficiency disorders involved malfunction of a person’s immune system. These disorders result in infections that develop and recur more frequently, are more severe, and last longer than usual. Which of the following is not one of the main ways in which immunodeficiency disorders develop?

A

From close contact with a person who has an immunodeficiency disorder

2. Immunology (24 decks)

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