Mader's Understanding Human Anatomy & Physiology (Longenbaker), 8th Edition

Chapter 10: The Endocrine System

Multiple Choice Quiz

1
The endocrine system and the _____ system are both intimately involved in maintaining homeostasis.
A)cardiovascular
B)digestive
C)nervous
D)respiratory
2
Chemical signals that affect the behavior of other glands and tissues are _____.
A)enzymes.
B)hormones.
C)carbohydrates.
D)metabolites.
3
Which of the following is NOT a function of hormones?
A)maintain homeostasis
B)influence metabolism
C)influence growth and development
D)breaking down nutrients
4
Hormones can be put into two categories based on chemical make up. What are these categories?
A)glands and cortex
B)proteins and carbohydrates
C)peptides (proteins) and steroids
D)endocrine and ectocrine
5
Peptide hormones function by binding to receptor proteins within the ________. Once the hormone binds to a receptor, it activates ______.
A)cell: a second messenger
B)cell: particular genes
C)plasma membrane: a second messenger
D)plasma membrane: particular genes
6
The most common second messengers for peptide hormones are ______ and _____.
A)peptide hormones and calcium.
B)calcium and glucose.
C)cAMP and calcium.
D)cAMP and sodium.
7
Steroid hormones function by binding to receptor proteins within the ________. Once the hormone binds to a receptor, it activates ______.
A)nucleus: a second messenger
B)nucleus: particular genes
C)plasma membrane: a second messenger
D)plasma membrane: particular genes
8
From a medical perspective, ______ hormones can be taken orally because they are water-insoluble lipids and poorly digested.
A)carbohydrate
B)peptide
C)protein
D)steroid
9
The production and release of hormones caused by a chemical such as calcium is a _____ mechanism.
A)humoral
B)neural
C)sensory
D)hormonal
10
Identify the mechanisms that control the production and release of hormones.
A)hormonal, neural and sensory
B)hormonal, humoral and neural
C)hormonal, humoral and sensory
D)humoral, neural and sensory
11
Most endocrine secretions are controlled by _____.
A)positive feedback.
B)negative feedback.
C)neural feedback.
12
Identify an endocrine gland within the brain.
A)Adrenal gland
B)Pancreas
C)Pituitary gland
D)Parathyroid glands
13
Identify the endocrine gland that is located atop the kidneys.
A)Adrenal gland
B)Hypothalamus
C)Pancreas
D)Thyroid gland
14
Identify the endocrine gland within the abdominal cavity, near the small intestine.
A)Adrenal gland
B)Hypothalamus
C)Pancreas
D)Thyroid gland
15
Identify the hormone(s) produced by the hypothalamus.
A)oxytocin
B)antidiuretic hormone
C)releasing and inhibiting hormones
D)All of the above are all produced in the hypothalamus.
16
The hypothalamus secretes releasing and inhibiting hormones that regulate the production and secretion of hormones from the:
A)adrenal cortex
B)anterior pituitary gland
C)posterior pituitary gland
D)thyroid gland
17
The target organs of ADH are the:
A)adrenal cortex and liver
B)kidney and blood vessels
C)liver and kidey
D)pituitary and thyroid glands
18
Alcohol suppresses the secretion of ______ and thus _______ the reabsorption of water from the kidneys.
A)ADH: decreases
B)ADH: increases
C)aldosterone: decreases
D)aldosterone: increases
19
ADH will stimulate _____ water reabsorption by the kidneys and ______ of the blood vessels; thus _____ blood pressure.
A)decrease: constriction: increase
B)decrease: dilation: decrease
C)increase: constriction: increase
D)increase: dilation: decrease
20
Hormones produced by the hypothalamus and secreted by the posterior pituitary include:
A)ADH and aldosterone
B)ADH and oxytocin
C)oxytocin and prolactin
D)cortisol and aldosterone
21
The release of oxytocin is controlled by _____ feedback.
A)negative
B)neutral
C)positive
22
Identify the hormone that stimulates uterine contraction and the release of milk during nursing.
A)ADH.
B)glucagon
C)oxytocin
D)prolactin
23
The inability to produce ADH causes ______.
A)diabetes mellitus.
B)uterine contractions.
C)diabetes insipidus.
D)decreased urine volume.
24
Exemplify hormones secreted by the anterior pituitary.
A)anti-diuretic hormone and oxytocin
B)ACTH and insulin
C)growth hormone and LH
D)thyroxine and cortisol
25
Identify a gland that is controlled by an anterior pituitary hormone.
A)pancreas
B)parathyroid
C)adrenal medulla
D)ovary
26
Adrenocorticotropic hormone (ACTH) stimulates the ___ to produce and release its hormones.
A)anterior pituitary
B)adrenal medulla
C)kidneys
D)adrenal cortex
27
Identify the hormone that causes the development of the breast and milk production.
A)oxytocin
B)prolactin
C)estrogen
D)antidiuretic hormone
28
Which of the following is NOT true of growth hormone?
A)stimulates rate of amino acid entrance into the cell
B)stimulates protein synthesis in bones, cartilage, and muscles
C)promotes glucose metabolism
D)promotes fat metabolism
29
If growth hormone is overproduced in the adult, what is the resulting condition called?
A)pituitary dwarfism
B)gigantism
C)acromegaly
D)myxedema
30
What gland requires iodine in order to produce its hormones?
A)Adrenal cortex
B)Pancreas
C)Parathyroid glands
D)Thyroid gland
31
Underproduction of growth hormone during the growing years produces ______.
A)myxedema.
B)gigantism.
C)pituitary dwarfism.
D)acromegaly.
32
Simple goiter can be prevented by _________.
A)antibiotics
B)adding iodine to the diet
C)surgery
D)hormone therapy
33
Identify a hormone that increases metabolic rate.
A)thyroid hormone
B)calcitonin
C)aldosterone
D)parathyroid hormone
34
Hypothyroidism in adults due to an underactive thyroid is ____.
A)Graves disease.
B)diabetes insipidus.
C)myxedema
D)acromegaly.
35
An autoimmune form of hypothyroidism when the body destroys the thyroid cells is called
A)Hashimoto's disease.
B)Graves disease.
C)myxedema.
D)acromegaly
36
An exophthalmic goiter is a symptom of ______.
A)Graves disease.
B)Hashimoto's disease.
C)myxedema.
D)acromegaly.
37
When blood calcium levels are high, ____ is released from the thyroid gland to deposit the excess calcium into the bones.
A)parathyroid hormone
B)calcitonin
C)oxytocin
D)glucagon
38
The antagonistic hormone to calcitonin is _____.
A)thyroxine.
B)growth hormone.
C)insulin.
D)parathyroid hormone.
39
Which of the following is NOT true of parathyroid hormone action?
A)Releases calcium from bone to raise blood calcium levels.
B)Decreases blood calcium levels.
C)Promotes reabsorption of calcium in the kidneys to raise blood calcium levels.
D)Activates Vitamin D to increase calcium absorption from nutrients in the intestines.
40
Identify the gland that secretes cortisol and aldosterone.
A)thyroid
B)parathyroid
C)pancreas
D)adrenal
41
Which of the following is NOT related to adrenal medulla structure and function?
A)Inner portion of adrenal gland.
B)Controlled by the nervous system.
C)Regulates levels of glucose and minerals in the blood.
D)Produces epinephrine and norepinephrine.
42
Epinephrine and norepinephrine from the adrenal medulla will produce the same results as the _____ nervous system.
A)sympathetic
B)parasympathetic
C)somatic
D)central
43
Identify functions of calcium within the body.
A)Clotting
B)Hardens bone
C)Nerve conduction and muscle contraction
D)All of the above.
44
The main mineralocorticoid produced by the adrenal cortex is _____.
A)cortisol.
B)glucagon.
C)epinephrine.
D)aldosterone.
45
Which of the following is NOT true of cortisol?
A)It counteracts the inflammatory response.
B)It promotes the breakdown of proteins to amino acids that the liver uses to convert to glucose.
C)It promotes metabolism of fatty acids instead of glucose.
D)It is a mineralocorticoid.
46
Which of the following is NOT true of aldosterone?
A)Targets kidney tubules to absorb sodium and water and to excrete potassium.
B)It is a mineralocorticoid.
C)Causes a decrease in urine volume.
D)It causes a decrease in blood pressure.
47
The antagonistic hormone to aldosterone is ____.
A)atrial natriuretic hormone (ANH).
B)antidiuretic hormone (ADH).
C)cortisol.
D)glucagon.
48
Cortisol is produced by the:
A)adrenal cortex
B)adrenal medulla
C)anterior pituitary
D)pancreas
49
Atrial natriuretic hormone (ANH) is produced by cells of the ___.
A)kidney tubules.
B)right atrium of the heart.
C)adrenal cortex.
D)pancreas.
50
Hyposecretion of adrenal cortex hormones can lead to ___.
A)Addison disease.
B)diabetes mellitus.
C)Cushing syndrome.
D)cretinism.
51
Which of the following is NOT true of Cushing syndrome?
A)trunk (torso) becomes obese
B)basic blood pH
C)moon-shaped face
D)hyposecretion of adrenal cortex hormones.
52
The antagonistic hormone to insulin is __________.
A)cortisol
B)norepinephrine/epinephrine
C)glucagon
D)mineralocorticoids
53
Which of the following is NOT an action of insulin?
A)Stimulates cellular absorption of glucose.
B)Stimulates cellular usage of glucose for energy.
C)Stimulates the breakdown of glycogen.
D)Lowers blood glucose levels.
54
When blood glucose levels are low, the ______ will increase the secretion of ______.
A)adrenal cortex: aldosterone
B)pancreas; glucagon
C)pancreas: insulin
D)posterior pituitary: ADH
55
Which of the following is NOT true of glucagon?
A)produced by the pancreas
B)increases blood glucose levels
C)promotes the use of fat and protein instead of glucose
D)stimulates the liver to store glucose as glycogen
56
Identify a characteristic of type I diabetes (IDDM).
A)Development has a correlation with obesity.
B)Most common form of diabetes.
C)Body cells do not respond to insulin.
D)Treatment usually involves insulin injections.
57
Which of the following symptoms of diabetes mellitus is correctly matched to its description?
A)polyuria - excessive thirst
B)polyphagia - excessive ketones in the blood
C)polydipsia - excessive urine
D)glycosuria - excessive sugar in the urine
58
Which of the following is true of female sex hormones?
A)Progesterone is responsible for female secondary sex characteristics.
B)Estrogen is necessary for maturation of the ovum.
C)Estrogen does not aid in breast development.
D)Progesterone helps the uterus to grow.
59
Which of the following is NOT true of testosterone?
A)growth of the penis and testes.
B)brings about the male secondary sex characteristics.
C)can cause baldness.
D)controlled from the thyroid gland.
60
Which of the following is NOT a possible effect of anabolic steroid use?
A)Breast enlargement in males.
B)Balding.
C)Severe acne.
D)Stunted growth in youngsters.
E)A, B, C, and D are all possible effects of steroid use.
61
Melatonin from the pineal gland regulates ____.
A)sleep-wake cycles.
B)water balance.
C)sexual development.
D)Both A and C
62
What is the hormone produced by adipose tissue which signals satiety?
A)melatonin
B)leptin
C)thymosins
D)glucagons
63
Identify the growth factor that is released by cancer cells to create a capillary network that aids the cancer growth.
A)macrophage colony-stimulating factor
B)platelet derived growth factor
C)tumor angiogenesis factor
D)epidermal growth factor
64
Which of the following hormones does NOT aid in regulating fuel metabolism?
A)insulin
B)aldosterone
C)glucagon
D)cortisol
65
Identify a common function of atrial natriuretic hormone (ANH), aldosterone and antidiuretic hormone.Which of the following hormones does NOT help regulate blood pressure and volume?
A)atrial natriuretic hormone (ANH)
B)aldosterone
C)oxytocin
D)antidiuretic hormone (ADH)
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