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BIOL 104 Human Biology
Endocrine System – alternative in-class
1
The endocrine system secretes __________ that are released into the bloodstream to effect target cells.
A)
hormones
B)
neurotransmitters
C)
prions
D)
enzymes
2
The gland(s) that produce steroid hormones include the
A)
adrenal cortex.
B)
ovaries.
C)
testes.
D)
All of the choices are correct.
3 Growth hormone (GH) from the anterior pituitary drives which of the following?
A) lipolysis (fat breakdown & liberation of fatty acids) in adipose tissue
B) increased amino acid transport, glucose transport and protein synthesis in muscle
C) synthesis and secretion of insulin-like growth factor 1 (IGF-1) in liver
D) All of the above
E) None of the above
4 _______ can result from a lack of iodine in the diet.
A)
Acromegaly
B)
Grave’s disease
C)
Addison’s disease
D)
Goiter
5 In the pancreas, insulin functions to
A)
promote cellular glucose uptake.
B)
promote cellular glycogen synthesis.
C)
decrease blood glucose level.
D)
All of the choices are correct.
6 Hormonal secretion is generally controlled by
A)
a negative feedback mechanism.
B)
a positive feedback mechanism.
C)
a nervous impulse.
D)
muscle contractions.
7 The anterior pituitary gland secretes
A)
Growth hormone (GH).
B)
Adrenocorticotropic Hormone (ACTH).
C)
Thyroid stimulating hormone (TSH).
D)
All of the above.
E)
None of the above
8 The alpha cells in the pancreas secrete _______.
A)
insulin
B)
pheromones
C)
glucagon
D)
prolactin
9 The ______ controls the glandular secretions of the pituitary gland.
A)
thalamus
B)
pineal gland
C)
adrenal gland
D)
hypothalamus
10 The release of oxytocin from the posterior pituitary is regulated by
A)
a positive feedback mechanism.
B)
the strength of uterine contractions during childbirth.
C)
the frequency of which an infant suckles at the breast.
D)
All of the choices are correct.
11 Epinephrine and norepinephrine are produced by the
A)
anterior pituitary.
B)
adrenal cortex.
C)
adrenal medulla.
D)
posterior pituitary.
12 ___________ may result when too much growth hormone is produced later in childhood or as an
adult.
A)
Dwarfism
B)
Gigantism
C)
Acromegaly
D)
Cushing’s syndrome
13 ______ is a hormone produced by the anterior pituitary that causes the mammary glands in the
breasts to develop and produce milk.
A)
ACTH
B)
ADH
C)
Prolactin
D)
MSH
14
The thyroid gland releases which of the following?
A)
thyroxine
B)
triiodothyronine
C)
calcitonin
D)
All of the choices are correct.
15
Glucocorticoids such as cortisol and mineralocorticoids such as aldosterone are produced by the
A)
parathyroid.
B)
adrenal cortex.
C)
adrenal medulla.
D)
thymus.
16 Hypersecretion of cortisol can result in ________
A)
Marfan’s syndrome.
B)
Cushing syndrome.
C)
Addison’s disease.
D)
Acromegaly.
17 The ________ glands lie atop the kidneys.
A)
pituitary
B)
growth
C)
adrenal
D)
thyroid
18 Cortisol is a _____, and as such, helps to regulate energy metabolism.
A)
sex hormone
B)
glucocorticoid
C)
mineralocorticoid
D)
releasing hormone
19 In __________, the pancreas is not producing insulin.
A)
type I diabetes
B)
type II diabetes
C)
diabetes insipidus
D)
Cushing syndrome
20 When blood glucose levels increase to 120 mg/dL or higher _______.
A)
B)
C)
D)
insulin secretion increases
glucagon secretion increases
epinephrine secretion increases
insulin secretion decreases
Chapter 14 Nervous System Test
1
The central nervous system is comprised of the
A)
spinal and cranial nerves.
B)
meninges and brain.
C)
ventricles and spinal cord.
D)
brain and spinal cord.
2
In the physiology of the nervous system, the resting potential indicates that the charge inside the
neuron is _____ compared to the outside.
A)
positive
B)
negative
C)
neutral
D)
changing
3
In the central nervous system, the brain and spinal cord are protected by three membranes known as
the _________ as well as cushioned by cerebrospinal fluid.
A)
meninges
B)
viscera
C)
periosteum
D)
peritoneum
4
Recalling information for a final exam that you learned thoroughly at the beginning of your biology class
illustrates what type of memory?
A)
short-term memory
B)
long-term memory
C)
semantic memory
D)
skill memory
5
In comparing the parasympathetic division to the sympathetic division, the parasympathetic division
basically serves to
A)
increase heart rate.
B)
prepare us for fight or flight.
C)
calm us down.
D)
conduct signals from the thorax.
6
The ________________ nerves carry motor information from the central nervous system to effectors.
A)
peripheral
B)
sympathetic
C)
efferent
D)
sensory
7
The _______ is the portion of a neuron that serves to conduct nerve impulses.
A)
dendrite
B)
axon
C)
myelin sheath
D)
sensory receptor
8
The sympathetic division and parasympathetic division are parts of the _______________ nervous
system.
A)
visceral sensory
B)
peripheral
C)
central
D)
somatic sensory
9
The change in polarity that occurs inside the axon from negative to positive is referred to as a
A)
salutatory conduction.
B)
repolarization.
C)
depolarization.
D)
refractory period.
10
The _____________ period is the time shortly after an action potential has moved on and the sodium
gates are unable to open.
A)
refraction
B)
latent
C)
action potential
D)
refractory
11
Which of the following does not serve as a neurotransmitter?
A)
acetylcholine
B)
GABA
C)
dopamine
D)
insulin
12
The portion of the brain responsible for higher thought processes is the
A)
cerebellum.
B)
diencephalon.
C)
cerebrum/cerebral cortex.
D)
pons.
13
The integrating center within the brain that helps to maintain homeostasis is the _____.
A)
motor cortex
B)
hypothalamus
C)
pineal gland
D)
cerebrum
14
The __________ is a portion of the brain involved in sense of touch.
A)
medulla oblongata
B)
hypothalamus
C)
primary somatosensory cortex
D)
hippocampus
15
The cerebellum is a portion of the brain that serves to
A)
maintain body temperature.
B)
ensure that all muscles work together.
C)
assist in the learning of new motor skills.
D)
maintain balance and posture, muscle coordination, and to assist in the learning of new
motor skills.
16
Reflex centers for which of the following are located in the medulla oblongata?
A)
vomiting, coughing, sneezing, hiccupping, and swallowing
B)
knee-jerk
C)
blinking
D)
visual responses
17
Within the limbic system, the ________ is/are thought to be involved in learning, memory, and creating
a sense of fear.
A)
pineal gland
B)
cerebrum
C)
corpus callosum
D)
hippocampus and amygdala
18
The peripheral nervous system is comprised of the
A)
cranial and spinal nerves.
B)
muscles.
C)
skeleton.
D)
bones.
19
The sympathetic nervous system serves to
A)
decrease intestinal activity.
B)
increase heart rate.
C)
dilate the pupils.
D)
All of the choices are correct.
20
In the central nervous system, ______ acts as a depressant and _____ serves as a powerful stimulant.
A)
cocaine; nicotine
B)
nicotine; alcohol
C)
alcohol; cocaine
D)
cocaine; heroin

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