Deck 11: Endocrine System

Question 1

Bovine somatotropin (BST) is used to

A) increase milk production in dairy cows.
B) prepare cows for breeding.
C) prevent hypocalcemia in young calves.
D) stimulate uterine contractions in pregnant cows.

Answer 1

increase milk production in dairy cows.

Question 2

The anterior pituitary gland produces somatotropin, which is also known as

A) follicle-stimulating hormone.
B) growth hormone.
C) luteinizing hormone.
D) melanocyte-stimulating hormone.

Answer 2

growth hormone.

Question 3

Which gland is the master endocrine gland?

A) hypothalamus
B) pancreas
C) pituitary
D) thyroid

Answer 3

pituitary

Question 4

Which pair of hormones is hydrophilic?

A) catecholamine and thyroid hormones
B) peptide and catecholamine hormones
C) peptide and steroid hormones
D) thyroid and steroid hormones

Question 5

Which hormone does the hypothalamus gland produce?

A) calcitonin
B) epinephrine
C) glucagon
D) oxytocin

Question 6

In order for a hormone to be effective its target cell must have a

A) neurotransmitter for the hormone.
B) pore in the cell membrane for the hormone.
C) receptor for the hormone.
D) target for the hormone.

Question 7

Hormones are secreted into

A) endocrine glands.
B) exocrine glands.
C) target cells.
D) the bloodstream.

Question 8

Where is antidiuretic hormone that is produced in the hypothalamus stored before its release into the bloodstream?

A) adrenal gland
B) anterior pituitary gland
C) posterior pituitary gland
D) thyroid gland

Question 9

Negative feedback control of hormone secretion begins when a

A) falling level of hormone is detected by the gland that produced it.
B) falling level of hormone is detected by the target cell of the hormone.
C) rising level of hormone is detected by the gland that produced it.
D) rising level of hormone is detected by the target cell of the hormone.

Question 10

Which hormones are responsible for male secondary sex characteristic development?

A) androgens
B) follicle-stimulation hormone
C) parathyroid hormone
D) progestins

Question 11

What type of hormone is synthesized from cholesterol?

A) catecholamine hormones
B) peptide hormones
C) steroid hormones
D) thyroid hormones

Question 12

The target for luteinizing hormone in females is

A) all cells.
B) bones.
C) kidneys.
D) ovaries.

Question 13

Where is insulin produced?

A) adrenal gland
B) hypothalamus
C) pancreas
D) thyroid gland

Question 14

Thyroid-stimulating hormone is produced by the

A) anterior pituitary gland.
B) hypothalamus.
C) posterior pituitary gland.
D) thyroid gland.

Question 15

The hypothalamus gland is physically attached to what other endocrine gland?

A) adrenal gland
B) parathyroid gland
C) pituitary gland
D) thyroid gland

Question 16

When oxytocin is released into the bloodstream, what is one of its effects?

A) cellular growth
B) milk letdown
C) sodium retention
D) spermatogenesis

Question 17

The endocrine system works closely with the __ to control and coordinate the intricate parts and functions of the body.

A) cardiovascular system
B) muscular system
C) nervous system
D) skeletal system

Question 18

In a male follicle-stimulation hormone

A) has no known effect on spermatogenesis.
B) slows down spermatogenesis.
C) stimulates spermatogenesis.
D) stops spermatogenesis.

Question 19

The hormonal part of the "flight-or-fight" response is produced in the

A) adrenal glands.
B) hypothalamus.
C) pituitary gland.
D) thyroid gland.

Question 20

Which hormones must bind to transport proteins in order to reach their target cells?

A) catecholamine hormones
B) hydrophilic hormones
C) hydrophobic hormones
D) peptide hormones

Question 21

Diabetes mellitus is a disease caused by a deficiency of

A) aldosterone.
B) glucagon.
C) insulin.
D) tetraiodothyronine.

Question 22

The gland that helps regulate the body's blood calcium levels is the

A) adrenal gland.
B) parathyroid gland.
C) pituitary gland.
D) testes.

Question 23

Which two hormones are involved in maintaining the homeostasis of blood calcium levels?

A) calcitonin and thyroid hormone
B) parathyroid hormone and calcitonin
C) thyroid hormone and TSH
D) TSH and parathyroid hormone

Question 24

Administration of which classification of drugs can cause effects that mimic the body's natural white blood cell stress response?

A) androgens
B) estrogens
C) glucocorticosteroids
D) mineralocorticoid hormones

Question 25

How does the metabolic rate affect an animal's core temperature?

A) As the metabolic rate increases, so does the animal's core temperature.
B) As the metabolic rate increases, the animal's core temperature decreases.
C) The metabolic rate affects only the external temperature of an animal and doesn't affect the core temperature.
D) The metabolic rate doesn't affect either the core or external temperature of an animal.

Question 26

Animals that suffer from a deficiency of ADH are likely to show clinical signs that include

A) acromegaly.
B) alopecia.
C) osteomalacia.
D) polyuria.

Question 27

The most active form of thyroid hormone is

A) tetraiodothyronine.
B) thyroid-stimulating hormone.
C) thyroxine.
D) triiodothyronine.

Question 28

The term iatrogenic means

A) caused by treatment.
B) disease caused by hormone deficit.
C) hospital-acquired disease.
D) of unknown cause.

Question 29

Dwarfism is a result of

A) GH deficiency.
B) excess GH.
C) FSH deficiency.
D) excess FSH.

Question 30

When a normal, healthy animal is exposed to cold temperatures, what happens to the production of thyroid hormone?

A) It is decreased to decrease the animal's metabolic rate.
B) It is decreased to increase the animal's metabolic rate.
C) It is increased to decrease the animal's metabolic rate.
D) It is increased to increase the animal's metabolic rate.

Question 31

The primary target for glucocorticoid hormone is the

A) kidney.
B) mammary gland.
C) pancreas.
D) whole body.

Question 32

Milk fever and eclampsia are two pathologic conditions that result from

A) hypercalcemia.
B) hyperglycemia.
C) hypocalcemia.
D) hypoglycemia.

Question 33

The hormone that results in a rise in blood glucose when it is released into the bloodstream is

A) glucagon.
B) insulin.
C) mineralocorticoid hormone.
D) parathyroid hormone.

Question 34

Which drug will cause a female to "superovulate" in preparation for embryo transfer?

A) FSH
B) GH
C) TH
D) TSH

Question 35

In a male prolactin

A) causes water retention.
B) has no known effect.
C) initiates the fight-or-flight response.
D) stimulates spermatogenesis.

Question 36

The fight-or-flight hormones are

A) epinephrine and norepinephrine.
B) glucocorticosteroids and mineralocorticoid hormone.
C) insulin and glucagon.
D) T3 and T4.

Question 37

Aldosterone helps regulate __ levels in the body.

A) electrolyte
B) glucose
C) sex hormone
D) testosterone

Question 38

Which pair of glands are each actually two separate glands that look like one gland?

A) adrenal and thyroid glands
B) parathyroid and pituitary glands
C) pituitary and adrenal glands
D) thyroid and parathyroid glands

Question 39

The function of ADH is to

A) concentrate blood.
B) conserve water.
C) dilute urine.
D) eliminate excess water.

Question 40

Which gland is not located in the head and neck area of an animal?

A) adrenal gland
B) anterior pituitary gland
C) posterior pituitary gland
D) thyroid gland

Question 41

Estrogens are produced when __ induces ovaries to develop follicles.

A) FSH
B) LH
C) prolactin
D) relaxin

Question 42

In most animal species ovulation occurs when the blood level of __ peaks.

A) FSH
B) LH
C) oxytocin
D) progesterone

Question 43

The gland that plays a direct role in development of the immune system is the

A) pineal body.
B) posterior pituitary.
C) thymus.
D) thyroid.

Question 44

The principle androgen produced in the testes is

A) aldosterone.
B) estrogen.
C) growth hormone.
D) testosterone.

Question 45

Besides the gonads, which other gland produces sex hormones?

A) adrenal cortex
B) adrenal medulla
C) anterior pituitary
D) posterior pituitary

Question 46

Melatonin is produced by the

A) kidney.
B) pineal body.
C) stomach.
D) thymus.

Question 47

Erythropoietin affects the development of

A) muscles.
B) ovaries.
C) red blood cells.
D) seminal vesicles.