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WorksheetsExercise fisio
Total questions: 12
Worksheet time: 6mins
The plasma membrane is ____ because it allows certain particles to pass through while restricting others.
Completely permeable
Impermeable
Selectively permeable
Non-permeable
Which type of cell junction is characterized by the presence of a "kiss site"?
Gap junction
Tight junction
Desmosome
Hemidesmosome
Muscle spams of the jaw occuring early in tentanus infection are called
Myalgia
Trismus (lockjaw)
Dyskinesia
Tetany
Tetanus toxin inhibits the release of which neurotransmitter from inhibitory presynaptic inputs?
Acetylcholine
Dopamine
GABA
Glutamate
Atrial contractions can actively fill the ventricles with the remaining blood in the atria. If this ventricular filling is inadequate, ____ will decrease.
Heart rate
Cardiac output
Blood viscosity
Stroke volume
What is atrial excitation?
The contraction of ventricles
The action potential originating from the SA node spreading to both atria
The closure of AV valves
The firing of Purkinje fibers
A patient is found to have damage to the heart muscle, known as
Endocarditis
Myocardial infraction
Cardiomiopathy
Pericarditis
Systolic murmurs are classified ad holosystolic, early/mid/late systolic. These callsifications are determined based on the:
Location of murmur
Pitch of murmur
Timing
Duration of cardiac cycle
What causes the elastic property of the lungs so that they can expand during inspiration and contract during expiration?
Collagen fibers and mucus
Elastin fibers and alveolar surface tension
Pleural fluid and cartilage
Surfactant and smooth muscle
What is the name of the long structure formed by a series of sarcomeres arranged in series?
Myosin filament
Myofibril
Myofilament
Muscle fiber
Whihc division of the nervous system controls the activity of skeletal muscles?
Autonomic nervous system
Parasympathetic division
Sympathetic division
Somatic nervous system
Sympathetic stimulation and especially the hormone epinephrine that occurs when the need for airflow is high will cause
Bronchoconstriction
Bronchodilation
Vasoconstriction
Brocnchial secretion increase
