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Test sobre Pharmacology Vet202 Chapter Seven Study Guide, creado por Kelly Kinsinger el 21/10/2018.

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Pharmacology Vet202 Chapter Seven Study Guide

Pharmacology Vet202 Chapter Seven Study Guide

Pregunta 1 de 25

1

Exogenous drugs are

Selecciona una de las siguientes respuestas posibles:

  • naturally occurring.

  • made inside the body.

  • made outside the body.

  • cannot mimic the natural compound.

Explicación

Pregunta 2 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 3 de 25

1

Hypothyroidism is commonly recognized and treated in

Selecciona una de las siguientes respuestas posibles:

  • cats.

  • dogs.

  • horses.

  • cattle.

Explicación

Pregunta 4 de 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?

Selecciona una de las siguientes respuestas posibles:

  • primary.

  • secondary.

  • tertiary.

  • idiopathic.

Explicación

Pregunta 5 de 25

1

Hypothyroidism as result of decreased iodine ingestion causes Goiter because

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 6 de 25

1

Levothyroxine used to treat hypothyroidism

Selecciona una de las siguientes respuestas posibles:

  • all brands react the same in the body.

  • has a wide therapeutic (safety) index.

  • is less effective than liothyroxine.

  • must be administered IV.

Explicación

Pregunta 7 de 25

1

Thyrotoxicosis is another name for

Selecciona una de las siguientes respuestas posibles:

  • hypothyroidism.

  • hyperthryoidism.

  • euthryoidism.

  • thyroplastic anemia.

Explicación

Pregunta 8 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • tachypnea.

  • tachycardia.

  • lethargy.

  • weight gain.

Explicación

Pregunta 9 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • Heart

  • lung

  • GI

  • Liver

Explicación

Pregunta 10 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • cats

  • dogs

  • horses

  • cattle

Explicación

Pregunta 11 de 25

1

Animals with follicular cysts will

Selecciona una de las siguientes respuestas posibles:

  • exhibit non-cycling behavior and appear pregnant.

  • never show signs of estrus.

  • always appear to be in heat.

  • never settle or get pregnant.

Explicación

Pregunta 12 de 25

1

Developing ovarian follicles produce which two hormones.

Selecciona una de las siguientes respuestas posibles:

  • Estrogen/Progesterone

  • Progesterone/Inhibin

  • Inhibin/Estrogen

  • Do not produce hormones

Explicación

Pregunta 13 de 25

1

Human chorionic gonadotropin and equine chorionic gonadotropin are examples of gonadotropins

Selecciona una de las siguientes respuestas posibles:

  • released by the pituitary.

  • which have LH like effects.

  • are produced by the Dam’s uterus.

  • are the same as gonadorelins.

Explicación

Pregunta 14 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • FSH

  • LH

  • GnRH

  • estrogen

Explicación

Pregunta 15 de 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?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 16 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 17 de 25

1

What is the hormone that promotes the maintenance of pregnancies?

Selecciona una de las siguientes respuestas posibles:

  • Oxytocin

  • Prostaglandin

  • Progesterone

  • Prolactin

  • Relaxin

Explicación

Pregunta 18 de 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?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 19 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • PZI (protamine zinc insulin)

  • Regular insulin

  • NPH (neutral protamine Hagedorn insulin)

  • Insulin glargine

Explicación

Pregunta 20 de 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?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 21 de 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?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 22 de 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:

Selecciona una de las siguientes respuestas posibles:

  • tolerance.

  • upregulation.

  • negative feedback.

  • resistance.

  • positive stimulus.

Explicación

Pregunta 23 de 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.

Selecciona una de las siguientes respuestas posibles:

  • primary, secondary

  • stimulating, controlling

  • positive, negative

  • releasing, stimulating

Explicación

Pregunta 24 de 25

1

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

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 25 de 25

1

What is the euthyroid state?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

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