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Test 6 Flashcards

(83 cards)

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1
Q

Thoracic Cavity

A

C

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2
Q

Cranial Cavity

A

B

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3
Q

Abdominal Cavity

A

A

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4
Q

Vertebral Cavity

A

D

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5
Q

Stomach

A

A

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6
Q

Heart

A

C

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7
Q

Uterus

A

A

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8
Q

Brain

A

B

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9
Q

Lungs

A

C

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10
Q

The part of the sereous membrane that lines the peritoneal cavity wall is called visceral peritoneum T/F

A

False

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11
Q

The right hypochondriac region that contains the majority of the stomach t/f

A

False

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12
Q

Generally what is the result of the negative feedback process?

A

To maintain homeostasis

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13
Q

Homeostasis is the condition in which the body maintains

A

A relatively stable internal environment within limits

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14
Q

Generally what is the result of the negative feedback process?

A

To maintain homeostasis

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15
Q

On Old Olympus Towering Top A Finn And German Viewed Some Hops

A

Olfactory Optic Oculomotor Trichlear Trigeminal Abducens Facial Auditory Glossopharyngeal Vagus Spinal accessory Hypoglossal

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16
Q

Calcium ions

A

A

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17
Q

Postsnyaptic membrane

A

B

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18
Q

Synaptic cleft

A

D

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19
Q

Axon diameter and degree of myelination determine nerve impulse conduction velocity.

A

True

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20
Q

The action potential is caused by permeability changes in the plasma membrane.

A

True

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21
Q

Nerve impulses skeletal muscle will most likely belong to which division of the nervous system

A

somatic

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22
Q

Cranial nerve II, fibers most likely belong to which division of the nervous system?

A

sensory

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23
Q

Which of the following is not a function of astrocytes?

A

defense of the CNS

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24
Q

Which is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?

A

actylcholine

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25
Which of the following is not characteristic of neurons?
they are mitotic
26
Loss of function in the enzyme acetylcholine esterase would result in which of the following?
inability to remove acetylcholine from the synaptic cleft
27
Collections of nerve cell bodies outside the central nervous system are called ________.
ganglia
28
Saltatory conduction is made possible by ________.
the myelin sheath
29
Which of the following is not a chemical class of neurotransmitters?
nucleic acid
30
Which nerve controls the diaphragm?
Phrenic
31
What level of the spinal nerves control the diaphragm?
C3-C5
32
Which type of conduction is seen in myelinated axons?
Saltatory
33
. Which type of conduction is faster?
Saltatory
34
Which ion enters the neuron during the steep rising spike of a nerve impulse?
Sodium
35
Which nerve fibers conduct the fastest?
Group A
36
Motor signals are always
descending
37
Sensory signals are always
asceding
38
Somatic nervous system is
voluntary
39
Which makes myelin sheath in CNS?
Oligodendrocytes
40
Which makes myelin sheath in PNS?
Schwann Cells
41
Neurons are amitotic
True
42
Clusters of cell bodies in CNS
Nuclei
43
Which process carries action potentials?
Axon
44
Which electrical signal degrades quickly?
Graded Potential
45
Viruses move to the CNS by means of _____ transport.
Retrograde
46
Which type of axon has a faster conduction speed?
Myelinated
47
Which nerve slows the heart rate down?
vagus
48
Which is excitatory to skeletal muscles and inhibitory to cardiac muscle?
Acetylcholine
49
Which of the following is not a function of astrocytes?
provide the defense for the CNS
50
ANS controls
involuntary muscles and glands
51
Which statement about coma is true?
may be caused by widespread cerebral or brain stem trauma
52
Tremor at rest, shuffling gait, stooped posture, and expressionless face are characteristics of
Parkinson's disease
53
Cranial nerve I is
olfactory
54
Cranial Nerve II is
optic
55
Cranial Nerve III is
oculomotor
56
Cranial Nerve IV is
trochlear
57
Cranial Nerve V is
trigeminal
58
Cranial Nerve VI is
abducent
59
Cranial Nerve VII is
facial
60
Cranial Nerve VII is
vastibuchchlear
61
Cranial Nerve IX is
glossophayrngeal
62
Cranial Nerve X is
all of the above
63
Cranial Nerve XI is
accessory
64
Cranial Nerve XII is
hypoglossal
65
Which cranial nerves control eye movement?
III, IV, and VI
66
Not a characteristic of proteins
carriers of hereditary information
67
Most abundant protein in the body is
collagen
68
Which does NOT describe enzymes
raise the energy of activation
69
What structural level in represented by the alpha helix?
secondary
70
Carbs & proteins are built from basic blocks by the
removal of a water molecule between 2 units
71
A high fever causes an enxyme to lose its 3D structure and function. Which bonds are broken?
hydrogen bonds
72
What hapens when golbular proteins are denatured?
Active sites are destroyed
73
Which statement about enzymes is FALSE
require substrate contact to assume their active form
74
Which best describes fibrus proteins
are very stable and insoluble in water
75
High fever denatures an enzyme. Which bonds are broken?
hydrogen bonds
76
Salivary amylase breaks down carbs. What if it is in the stomach at pH 2.5?
will denature and become inactive
77
In homeostasis, the body maintains _____
relatively stable internal ennviroment
78
The part of the serous membrane that lines the peritoneal cavity wall is visceral peritoneum.
false
79
The right hyypochondriac region contains the majority of the stomach.
false
80
What is the result of the negative feedback process?
to maintain homeostasis
81
Produces ATP aerobically
mitochondria
82
Site of enzymatic breakdown of phagocytized material
lysosome
83
Site of synthesis of lipid and steroid molecules
smooth ER

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