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Quiz von Kelly Kinsinger, aktualisiert more than 1 year ago
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Erstellt von Kelly Kinsinger
vor etwa 6 Jahre
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Frage 1
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Exogenous drugs are
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naturally occurring.
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made inside the body.
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made outside the body.
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cannot mimic the natural compound.
Frage 2
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With regards to thyroid hormone, which is the correct statement?
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In tissue, T4 is changed to T3 by losing an iodine
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T4 is the more active form of the thyroid hormone
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In tissue, T3 is changed to T4 by adding a iodine
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Both T3 and T4 are active thyroid hormone
Frage 3
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Hypothyroidism is commonly recognized and treated in
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cats.
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dogs.
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horses.
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cattle.
Frage 4
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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?
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primary.
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secondary.
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tertiary.
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idiopathic.
Frage 5
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Hypothyroidism as result of decreased iodine ingestion causes Goiter because
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no thyroid hormone precursors T1 or T2 can be produced.
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to many thyroid hormone precursors T1 or T2 are produced.
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high levels of TSH stimulates thyroid tissue, leading to hypertrophy of the thyroid gland.
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d. the thyroid gland is inflamed.
Frage 6
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Levothyroxine used to treat hypothyroidism
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all brands react the same in the body.
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has a wide therapeutic (safety) index.
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is less effective than liothyroxine.
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must be administered IV.
Frage 7
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Thyrotoxicosis is another name for
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hypothyroidism.
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hyperthryoidism.
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euthryoidism.
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thyroplastic anemia.
Frage 8
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Palpation of the ventral neck of a cat should be performed on hyperthyroid felines that exhibit
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tachypnea.
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tachycardia.
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lethargy.
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weight gain.
Frage 9
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Cats with hyperthyroidism because of thyroid tumors often experience and increase in beta-1 receptors on __________ cells.
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Heart
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lung
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GI
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Liver
Frage 10
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Type 1 diabetes mellitus is also known as insulin dependent diabetes mellitus and is more commonly diagnosed in
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cats
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dogs
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horses
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cattle
Frage 11
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Animals with follicular cysts will
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exhibit non-cycling behavior and appear pregnant.
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never show signs of estrus.
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always appear to be in heat.
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never settle or get pregnant.
Frage 12
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Developing ovarian follicles produce which two hormones.
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Estrogen/Progesterone
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Progesterone/Inhibin
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Inhibin/Estrogen
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Do not produce hormones
Frage 13
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Human chorionic gonadotropin and equine chorionic gonadotropin are examples of gonadotropins
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released by the pituitary.
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which have LH like effects.
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are produced by the Dam’s uterus.
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are the same as gonadorelins.
Frage 14
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Progesterone has a negative feedback effect on the release of all except
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FSH
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LH
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GnRH
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estrogen
Frage 15
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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?
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PgF2-alpha is a prostaglandin that functions as a gastroprotectant
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PgF2-alpha is not labeled for use in food animals
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PgF2-alpha doesn’t exert an influence on the uterus
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PgF2-alpha doesn’t exert an influence on the corpus luteum
Frage 16
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Of the following list, who should be chosen to administer prostaglandin for estrous synchronization of dairy cows on a farm?
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The farmer who is 6 months pregnant
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The farmer’s son who is an asthmatic
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The farm hand who forgot her gloves in her truck
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The healthy technician who is used to handling needles and syringes
Frage 17
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What is the hormone that promotes the maintenance of pregnancies?
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Oxytocin
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Prostaglandin
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Progesterone
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Prolactin
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Relaxin
Frage 18
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What would be the effect of using a U-40 syringe instead of a U-100 syringe to pull up a dose of insulin?
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No effect—they are the same syringe, just marketed differently
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Insulin react s adversely with the syringe materials if the drugs are mismatched
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The dose will likely be incorrect, leading to possible dangerous side effects
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It’s not possible, as the bottles require specific syringes to draw up the drug
Frage 19
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Which type of injectable insulin product should be used during a diabetic emergency, administered via the IV route?
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PZI (protamine zinc insulin)
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Regular insulin
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NPH (neutral protamine Hagedorn insulin)
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Insulin glargine
Frage 20
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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?
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Because cattle don’t respond to insulin
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Insulin receptors won’t react to the insulin
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Insulin is too expensive to be reliably used in farm practice
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There is no problem with this protocol
Frage 21
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Why would a cat with hyperthyroidism as well as blood calcium imbalances benefit from treatment with radioactive iodine in place of surgical thyroidectomy?
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Need to spare the parathyroid glands
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This is obviously an old cat, which would not be suitable for a major surgery
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Thyroidectomy isn’t 100% curative for hyperthyroidism
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Radioactive iodine can be given at home by the pet’s owners
Frage 22
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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:
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tolerance.
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upregulation.
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negative feedback.
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resistance.
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positive stimulus.
Frage 23
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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.
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primary, secondary
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stimulating, controlling
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positive, negative
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releasing, stimulating
Frage 24
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Why is levothyroxine (T4) preferred for treatment of hypothyroidism than liothyronine (T3)?
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T3 is a synthetic drug, while T4 is natural
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T3 is never used in clinical cases
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T4 is much cheaper than T3
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T4 has a much shorter half-life than T3, so it’s potentially more toxic
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T4 appears more of a factor in the negative feedback loop than T3
Frage 25
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What is the euthyroid state?
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Abnormal thyroid levels that occur with disease
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Euthanasia of an animal with a primary thyroid tumor
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Normal thyroid hormone levels
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Opposite of idiopathic (unknown) cause of thyroid dysfunction
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