Physiology 1 Review

94 Questions  I  By Physstudent on December 1, 2009
Review for physiology final

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  Homeostasis is the ability of the body to:
A.
B.
C.
D.
2.  Which body fluid compartment contains high levels of K+, large anions and proteins??
A.
B.
C.
D.
E.
3.  An excitatory postsynaptic potential (EPSP):
A.
B.
C.
D.
4.  All of the following are mediated transport except:
A.
B.
C.
D.
5.  What are the 2 extracellular fluid compartments in the body
A.
B.
C.
D.
E.
6.  The means by which a cell transports large particles out of the cell is called
A.
B.
C.
D.
E.
7.  Which of these neurotransmitters is the most abundant
A.
B.
C.
D.
E.
8.  Hypoosmotic solutions have:
A.
B.
C.
D.
E.
9.  Which of the following statements about the Na+/K+ pump is FALSE
A.
B.
C.
D.
10.  Voltage-gated channels and antiport carriers are both type of
A.
B.
C.
D.
11.  As the charge on the membrane of a typical neuron approaches 0 from -70mV, the cell is:
A.
B.
C.
D.
E.
12.  Integration of a reflex always occurs in the
A.
B.
C.
D.
13.  If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane impermeable to sucrose, in which direction will net movement of water occur
A.
B.
C.
D.
E.
14.  Match the brain area with its location:All lobes
A.
B.
C.
D.
15.  Parietal lobe:
A.
B.
C.
D.
16.  Temporal lobe:
A.
B.
C.
D.
17.  Occipital lobe:
A.
B.
C.
D.
18.  Gated channels for sodium ions may include:
A.
B.
C.
D.
E.
19.  Chemical signals released into synapses are called
A.
B.
C.
D.
E.
20.  The afferent and efferent axons together form the
A.
B.
C.
D.
E.
21.  Interneurons are found;
A.
B.
C.
D.
E.
22.  A cell membrane that is selectively permeable:
A.
B.
C.
D.
23.  Receptor molecules for chemical signaling are located:
A.
B.
C.
D.
E.
24.  With the exception of olfaction, all sensory pathways first travel to the ______ which acts as a relay and processing station:
A.
B.
C.
D.
E.
25.  Cyclic AMP (cAMP), cGMP and calcium are all:
A.
B.
C.
D.
26.  Receptors on the surface of the target cell:
A.
B.
C.
D.
E.
27.  The increasingly forceful uterine contractions that lead to childbirth are an example of
A.
B.
C.
D.
E.
28.  THe concentration of calcium inside a cell is 0.3%. The concentration of calcium outside the cell is 0.1%. How could the cell transport even more calcium to the inside:
A.
B.
C.
D.
E.
29.  Water will always move from ________ areas to _____ areas
A.
B.
C.
D.
30.  The axon is conntected to the cell body by the
A.
B.
C.
D.
E.
31.  Which of the following does not influence membrane permeability
A.
B.
C.
D.
32.  Passive transport reders to a process that requires
A.
B.
C.
D.
E.
33.  Gated channels for sodium ions may include:
A.
B.
C.
D.
E.
34.  In general, the nervous system is composed of 2 types of cells
A.
B.
C.
D.
E.
35.  When body temperature rises, a center in the brain initiates physiological changes to decrease body temperature. This is an example of
A.
B.
C.
D.
E.
36.  When adenyl cyclase is activated,
A.
B.
C.
D.
E.
37.  The ion that plays a key role in initiating electrical signals in neurons is
A.
B.
C.
D.
38.  Which of these does not respond to extracellular signal molecules
A.
B.
C.
D.
E.
39.  A cascade reaction is caused by
A.
B.
C.
D.
E.
40.  Which group of elements makes up more than 90% of the bodys mass
A.
B.
C.
D.
E.
41.  Which of the following  isn NOT a functions of membrane proteins
A.
B.
C.
D.
E.
42.  Cell membranes are said to be
A.
B.
C.
D.
E.
43.  Which body fluid compartment contains high levels of K+ andions and proteins (albumins)
A.
B.
C.
D.
E.
44.  What do active transport, phagocytosis, exocytosis and endocytosis all have in common
A.
B.
C.
D.
E.
45.  Cells may communicate with one another by/through:
A.
B.
C.
D.
E.
46.  Which of these is an example of a paracrine signal molecule?
A.
B.
C.
D.
E.
47.  Each of the following is an example of homeostasis except one.  Identify the exception
A.
B.
C.
D.
E.
48.  Which brain area is considered to be the integrating center for homeostasis
A.
B.
C.
D.
E.
49.  Information coming into the central nervous system is transmitted along _____ neurons
A.
B.
C.
D.
E.
50.  WHich of the following are not physiological classifications of neurons
A.
B.
C.
D.
E.
51.  Smooth muscles
A.
B.
C.
D.
E.
52.  What is the correct pathway for conveying electrical signals through a normal heart?1. bundle of his2.  internodal pathway3. purkinje fibers4. AV node5.  SA node6. left and right bundle branches
A.
B.
C.
D.
E.
53.  The AV node is important because it:
A.
B.
C.
D.
E.
54.  A certain drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart. This drug probably binds to
A.
B.
C.
D.
55.  In cardiac muscle tissue,
A.
B.
C.
D.
56.  Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorparasympathetic tissue receptor
A.
B.
C.
D.
E.
57.  Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptortarget receptor for preganglionic neurons
A.
B.
C.
D.
E.
58.  Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorreleased by all autonomic preganglionic neurons
A.
B.
C.
D.
E.
59.  Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorprimary sympathetic neurotransmitter
A.
B.
C.
D.
E.
60.  Match the following with its descriptiona. acetylcholineb. norepinephrinec. cholinergic nicotinic receptord. adrenergic receptore. cholinergic muscarinic receptorsympathetic tissue receptor
A.
B.
C.
D.
E.
61.  The motor end plate is
A.
B.
C.
D.
E.
62.  I f a somatic motor neuron fires an action potential then:
A.
B.
C.
D.
E.
63.  Most preganglionic neurons originiate in the thoracic and lumbar regions
A.
B.
C.
D.
64.  Cell bodies of preganglionic neurons are found either in the brain stem or in the sacral region of the spinal cord
A.
B.
C.
D.
65.  Releases norepinephrine at the neuroeffector synapse
A.
B.
C.
D.
66.  Contains cholinergic neurons
A.
B.
C.
D.
67.  Pathways have a single neuron originating in the central nervous system and projecting its axon to the target tissue
A.
B.
C.
D.
68.  ATP is necessary for each of the following mechanisms or functions in skeletal muscle except
A.
B.
C.
D.
69.  In the living muscle at rest, which situation is most common
A.
B.
C.
D.
E.
70.  The amount of light reaching the retina is controlled by the
A.
B.
C.
D.
E.
71.  Photoreceptors use the neurotransmitter
A.
B.
C.
D.
72.  The pupose of transverse tubules is to:
A.
B.
C.
D.
E.
73.  ________ is made of multiple globular molecules polymerized to form long chains or filaments
A.
B.
C.
D.
E.
74.  Most of the time the parallel thick and thin filaments of the myofibrils are connected by _____ that span the space between the parallel thick and thin filaments
A.
B.
C.
D.
E.
75.  The I band contains
A.
B.
C.
D.
E.
76.  The H zone co
A.
B.
C.
D.
E.
77.  Which statement is true
A.
B.
C.
D.
E.
78.  When acetylcholine is released into the neuromuscular junction
A.
B.
C.
D.
E.
79.  Ganglia are found in a chain that runs close to the spinal cord or along the descending aorta
A.
B.
C.
D.
80.  A motor unit refers to
A.
B.
C.
D.
E.
81.  In cardiac muscle
A.
B.
C.
D.
E.
82.  Wchich of these cranial nerves is not involved in the PSNS
A.
B.
C.
D.
E.
83.  Each myosin head has
A.
B.
C.
D.
E.
84.  In lviving muscle at rest which situation is most common
A.
B.
C.
D.
E.
85.  Excitation contraction coupling refers to
A.
B.
C.
D.
E.
86.  How many parts does a typical reflex have
A.
B.
C.
D.
E.
87.  The brief period of time between the end of the actions potential in the mucle and the beginning of contraction is referred to as the
A.
B.
C.
D.
E.
88.  Muscle spindles
A.
B.
C.
D.
E.
89.  Short tem memory is associated with the
A.
B.
C.
D.
90.  Problem solving, planning and working memory functions are found in the
A.
B.
C.
D.
91.  With the exception of olfaction, all sensory pathways first travel to the _____ which acts as a relay and processing station
A.
B.
C.
D.
E.
92.  The larger the receptive field,
A.
B.
C.
D.
E.
93.  Tonic receptors
A.
B.
C.
D.
E.