Hole's Essentials of Human Anatomy & Physiology, 12th Edition (Shier)

Chapter 11: Endocrine System

Post-Test Questions

1
Which substance is required for synthesis of thyroid hormones?
A)calcium
B)phosphate ions
C)sodium
D)iodide salts
2
Hypothyroidism in an infant may directly lead to
A)hyperactivity
B)mental retardation
C)excessive appetite
D)excessive bone formation
3
The effect of parathyroid hormone is to
A)reduce absorption of calcium and phosphorus from the large intestine
B)stimulate bones to release calcium
C)stimulate the kidney to excrete excess calcium and phosphorus
D)suppress release of parathyroid releasing hormone from the anterior lobe of the pituitary
4
Injury to or removal of the parathyroid glands is likely to result in
A)increased osteoclastic activity
B)Cushing syndrome
C)kidney stones
D)hypocalcemia
5
The adrenal hormone aldosterone belongs to a category of cortical hormones called
A)mineralocorticoids
B)glucocorticoids
C)sex hormones
D)anabolic hormones
6
The actions of cortisol include all of the following except
A)breakdown of stored protein to increase levels of circulating amino acids
B)release of increased amounts of fatty acids for an energy source
C)stimulation of the production of glucose by the liver
D)conservation of water
7
Hyposecretion of the adrenal cortical hormones produces
A)Addison disease
B)Cushing syndrome
C)autoimmune disease
D)masculinization in females
8
The action of insulin that most directly leads to lowered blood sugar is
A)enhancing glucose absorption from the small intestine
B)facilitating the transport of glucose across the cell membrane
C)promoting the release of glucose from the liver
D)stimulating conversion of non-carbohydrates into glucose
9
Insulin secretion is regulated by a negative feedback system sensitive to
A)the level of glycogen in the liver
B)intracellular levels of glucose
C)changes in the number of insulin receptors
D)blood glucose concentration
10
The hormone melatonin is secreted by the
A)thymus
B)pineal gland
C)gonads
D)hypothalamus
11
The thymus gland produces a hormone that is important in the differentiation of
A)glial cells
B)dermal cells
C)white blood cells
D)muscle cells
12
Which of the following hormones increase in response to long-term stress?
A)epinephrine and norepinephrine
B)cortisol and epinephrine
C)ACTH and cortisol
D)cortisol and oxytocin
13
Choose the incorrect statement concerning Growth Hormone.
A)GH-releasing hormone from the hypothalamus controls its secretion.
B)GH release-inhibiting hormone from the hypothalamus inhibits its secretion
C)GH stimulates cells to increase in size and divide.
D)It slows the movement of amino acids across the membrane.
14
Chronobiology is the study of body rhythms such as circadian rhythms.
A)True
B)False
15
Steroid hormones activate specific genes which instruct the cell to synthesize specific compounds.
A)True
B)False
16
Cyclic adenosine monophosphate (cAMP) is an intracellular substance that is important in the action of steroid hormones.
A)True
B)False
17
Hormone secretion is controlled solely by direct stimulation by the autonomic division of the central nervous system.
A)True
B)False
18
Glucagon and insulin are released by the pancreas in response to specific changes in the internal environment.
A)True
B)False
19
Releasing hormones from the hypothalamus control secretion from the anterior lobe of the pituitary gland, but nerve impulses directly stimulate the axons of neurosecretory cells in the posterior lobe.
A)True
B)False
20
Follicle stimulating hormone (FSH) and luteinizing hormone (LH) are gonadotropins.
A)True
B)False
21
ACTH stimulates release of hormones of both the adrenal cortex and medulla.
A)True
B)False
22
Antidiuretic hormone (ADH) is an anterior pituitary hormone.
A)True
B)False
23
Oxytocin can be used to minimize the risk of postpartum hemorrhage.
A)True
B)False
24
The two lobes of the thyroid gland are located on either side of the trachea and are connected by an isthmus.
A)True
B)False
25
Thyroxine is the most active of the hormones produced by the thyroid gland.
A)True
B)False
26
Calcitonin increases excretion of calcium by the kidney.
A)True
B)False
27
The parathyroid glands are located on the posterior surface of the thyroid gland.
A)True
B)False
28
The adrenal glands are anatomically close to the liver.
A)True
B)False
29
Hormones of the adrenal medulla are released in response to an anterior pituitary gland hormone.
A)True
B)False
30
Aldosterone secretion can increase blood pressure.
A)True
B)False
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe