Exam 2 Questions

Question 1

What is the perfect time to first vaccinate puppies?

Answer 1

8-12 weeks

Question 2

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

Answer 2

Giving foal IgG intravenously

Question 3

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

Answer 3

IgG

Question 4

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

Answer 4

Thymus

Question 5

Which of the following breeds is considered hypoallergenic dog?

Answer 5

None of the above

Question 6

Pet allergies are activated by the hair on pet

Answer 6

False

Question 7

Symptoms of pet allergy are similar to hay fever symptoms

Answer 7

True

Question 8

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

Answer 8

Ingestion of an allergen

Question 9

Reptiles are a common cause of pet allergy

Answer 9

False

Question 10

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

Answer 10

True

Question 11

Pet allergy is a form of allergic rhinitis

Answer 11

True

Question 12

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

Answer 12

Keep your pets outdoors

Question 13

What are the 3 steps of delayed hypersensitivity?

Answer 13

1. Sensitization
2. Repeat exposure
3. Inflammation

Question 14

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

Answer 14

Vasoconstriction

Question 15

What type of hypersensitivity does a tuberculin skin test elicit?

Answer 15

Type IV- delayed

Question 16

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

Answer 16

Antibiotics

Question 17

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?

Answer 17

Type 1

Question 18

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

Answer 18

Negative selection

Question 19

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

Answer 19

Thymus

Question 20

What is the predominant Ig class in colostrum?

Answer 20

IgG

Question 21

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

Answer 21

Human

Question 22

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

Answer 22

8 weeks

Question 23

Which of the following cell types can be made tolerant?

Answer 23

B and T cells

Question 24

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

Answer 24

The PAI have a developed immune response

Question 25

What would generally explain tolerance of food Ags?

Answer 25

High dose of food Ags

Question 26

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

Answer 26

Secretion of TGF-b by TH3

Question 27

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?

Answer 27

Fever and anorexia

Question 28

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?

Answer 28

From close contact with a person who has an immunodeficiency disorder