Kelly Kinsinger
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Quiz on Pharmacology Vet202 Chapter Seven Study Guide, created by Kelly Kinsinger on 21/10/2018.

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Kelly Kinsinger
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Pharmacology Vet202 Chapter Seven Study Guide

Question 1 of 25

1

Exogenous drugs are

Select one of the following:

  • naturally occurring.

  • made inside the body.

  • made outside the body.

  • cannot mimic the natural compound.

Explanation

Question 2 of 25

1

With regards to thyroid hormone, which is the correct statement?

Select one of the following:

  • In tissue, T4 is changed to T3 by losing an iodine

  • T4 is the more active form of the thyroid hormone

  • In tissue, T3 is changed to T4 by adding a iodine

  • Both T3 and T4 are active thyroid hormone

Explanation

Question 3 of 25

1

Hypothyroidism is commonly recognized and treated in

Select one of the following:

  • cats.

  • dogs.

  • horses.

  • cattle.

Explanation

Question 4 of 25

1

Which form of an endocrine disease means that the source of the problem for the disease resides in the organ that produces the final hormone?

Select one of the following:

  • primary.

  • secondary.

  • tertiary.

  • idiopathic.

Explanation

Question 5 of 25

1

Hypothyroidism as result of decreased iodine ingestion causes Goiter because

Select one of the following:

  • no thyroid hormone precursors T1 or T2 can be produced.

  • to many thyroid hormone precursors T1 or T2 are produced.

  • high levels of TSH stimulates thyroid tissue, leading to hypertrophy of the thyroid gland.

  • d. the thyroid gland is inflamed.

Explanation

Question 6 of 25

1

Levothyroxine used to treat hypothyroidism

Select one of the following:

  • all brands react the same in the body.

  • has a wide therapeutic (safety) index.

  • is less effective than liothyroxine.

  • must be administered IV.

Explanation

Question 7 of 25

1

Thyrotoxicosis is another name for

Select one of the following:

  • hypothyroidism.

  • hyperthryoidism.

  • euthryoidism.

  • thyroplastic anemia.

Explanation

Question 8 of 25

1

Palpation of the ventral neck of a cat should be performed on hyperthyroid felines that exhibit

Select one of the following:

  • tachypnea.

  • tachycardia.

  • lethargy.

  • weight gain.

Explanation

Question 9 of 25

1

Cats with hyperthyroidism because of thyroid tumors often experience and increase in beta-1 receptors on __________ cells.

Select one of the following:

  • Heart

  • lung

  • GI

  • Liver

Explanation

Question 10 of 25

1

Type 1 diabetes mellitus is also known as insulin dependent diabetes mellitus and is more commonly diagnosed in

Select one of the following:

  • cats

  • dogs

  • horses

  • cattle

Explanation

Question 11 of 25

1

Animals with follicular cysts will

Select one of the following:

  • exhibit non-cycling behavior and appear pregnant.

  • never show signs of estrus.

  • always appear to be in heat.

  • never settle or get pregnant.

Explanation

Question 12 of 25

1

Developing ovarian follicles produce which two hormones.

Select one of the following:

  • Estrogen/Progesterone

  • Progesterone/Inhibin

  • Inhibin/Estrogen

  • Do not produce hormones

Explanation

Question 13 of 25

1

Human chorionic gonadotropin and equine chorionic gonadotropin are examples of gonadotropins

Select one of the following:

  • released by the pituitary.

  • which have LH like effects.

  • are produced by the Dam’s uterus.

  • are the same as gonadorelins.

Explanation

Question 14 of 25

1

Progesterone has a negative feedback effect on the release of all except

Select one of the following:

  • FSH

  • LH

  • GnRH

  • estrogen

Explanation

Question 15 of 25

1

Prostaglandins are commonly used to terminate pregnancies in many domestic species. Injection of the specific prostaglandin F2-alpha (PgF2-alpha) is alone not 100% effective in causing parturition in cattle that are near term. Why?

Select one of the following:

  • PgF2-alpha is a prostaglandin that functions as a gastroprotectant

  • PgF2-alpha is not labeled for use in food animals

  • PgF2-alpha doesn’t exert an influence on the uterus

  • PgF2-alpha doesn’t exert an influence on the corpus luteum

Explanation

Question 16 of 25

1

Of the following list, who should be chosen to administer prostaglandin for estrous synchronization of dairy cows on a farm?

Select one of the following:

  • The farmer who is 6 months pregnant

  • The farmer’s son who is an asthmatic

  • The farm hand who forgot her gloves in her truck

  • The healthy technician who is used to handling needles and syringes

Explanation

Question 17 of 25

1

What is the hormone that promotes the maintenance of pregnancies?

Select one of the following:

  • Oxytocin

  • Prostaglandin

  • Progesterone

  • Prolactin

  • Relaxin

Explanation

Question 18 of 25

1

What would be the effect of using a U-40 syringe instead of a U-100 syringe to pull up a dose of insulin?

Select one of the following:

  • No effect—they are the same syringe, just marketed differently

  • Insulin react s adversely with the syringe materials if the drugs are mismatched

  • The dose will likely be incorrect, leading to possible dangerous side effects

  • It’s not possible, as the bottles require specific syringes to draw up the drug

Explanation

Question 19 of 25

1

Which type of injectable insulin product should be used during a diabetic emergency, administered via the IV route?

Select one of the following:

  • PZI (protamine zinc insulin)

  • Regular insulin

  • NPH (neutral protamine Hagedorn insulin)

  • Insulin glargine

Explanation

Question 20 of 25

1

A farmer has a cow that has experienced chronic ketosis over the period of 2 months. The herd veterinarian diagnoses fatty liver syndrome, a condition where over conditioned cattle deposit excess lipid in their liver parenchyma resulting in a metabolic disorder which effects the body’s utilization of blood sugar. In addition to the standard ketosis treatment of IV glucose, dexamethasone, and B vitamins, the veterinarian adds BID insulin to the protocol for 3 days. Why is this addition contraindicated in this scenario?

Select one of the following:

  • Because cattle don’t respond to insulin

  • Insulin receptors won’t react to the insulin

  • Insulin is too expensive to be reliably used in farm practice

  • There is no problem with this protocol

Explanation

Question 21 of 25

1

Why would a cat with hyperthyroidism as well as blood calcium imbalances benefit from treatment with radioactive iodine in place of surgical thyroidectomy?

Select one of the following:

  • Need to spare the parathyroid glands

  • This is obviously an old cat, which would not be suitable for a major surgery

  • Thyroidectomy isn’t 100% curative for hyperthyroidism

  • Radioactive iodine can be given at home by the pet’s owners

Explanation

Question 22 of 25

1

Endocrine hormones function to not only affect a target tissue, but to cause a subsequent decrease in the continued release of more of the same hormone. This mechanism that limits the amount of a hormone response that occurs is called:

Select one of the following:

  • tolerance.

  • upregulation.

  • negative feedback.

  • resistance.

  • positive stimulus.

Explanation

Question 23 of 25

1

Concerning the cascade responsible for the production of thyroid hormone, first a _______________ hormone is produced from the hypothalamus, which acts on the anterior pituitary to produce a ________________ hormone that function to cause the thyroid gland to produce the final hormone in the cascade, thyroxine.

Select one of the following:

  • primary, secondary

  • stimulating, controlling

  • positive, negative

  • releasing, stimulating

Explanation

Question 24 of 25

1

Why is levothyroxine (T4) preferred for treatment of hypothyroidism than liothyronine (T3)?

Select one of the following:

  • T3 is a synthetic drug, while T4 is natural

  • T3 is never used in clinical cases

  • T4 is much cheaper than T3

  • T4 has a much shorter half-life than T3, so it’s potentially more toxic

  • T4 appears more of a factor in the negative feedback loop than T3

Explanation

Question 25 of 25

1

What is the euthyroid state?

Select one of the following:

  • Abnormal thyroid levels that occur with disease

  • Euthanasia of an animal with a primary thyroid tumor

  • Normal thyroid hormone levels

  • Opposite of idiopathic (unknown) cause of thyroid dysfunction

Explanation

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