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Exercise fisio

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The plasma membrane is ____ because it allows certain particles to pass through while restricting others.

a)

Completely permeable

b)

Impermeable

c)

Selectively permeable

d)

Non-permeable

2.

Which type of cell junction is characterized by the presence of a "kiss site"?

a)

Gap junction

b)

Tight junction

c)

Desmosome

d)

Hemidesmosome

3.

Muscle spams of the jaw occuring early in tentanus infection are called

a)

Myalgia

b)

Trismus (lockjaw)

c)

Dyskinesia

d)

Tetany

4.

Tetanus toxin inhibits the release of which neurotransmitter from inhibitory presynaptic inputs?

a)

Acetylcholine

b)

Dopamine

c)

GABA

d)

Glutamate

5.

Atrial contractions can actively fill the ventricles with the remaining blood in the atria. If this ventricular filling is inadequate, ____ will decrease.

a)

Heart rate

b)

Cardiac output

c)

Blood viscosity

d)

Stroke volume

6.

What is atrial excitation?

a)

The contraction of ventricles

b)

The action potential originating from the SA node spreading to both atria

c)

The closure of AV valves

d)

The firing of Purkinje fibers

7.

A patient is found to have damage to the heart muscle, known as

a)

Endocarditis

b)

Myocardial infraction

c)

Cardiomiopathy

d)

Pericarditis

8.

Systolic murmurs are classified ad holosystolic, early/mid/late systolic. These callsifications are determined based on the:

a)

Location of murmur

b)

Pitch of murmur

c)

Timing

d)

Duration of cardiac cycle

9.

What causes the elastic property of the lungs so that they can expand during inspiration and contract during expiration?

a)

Collagen fibers and mucus

b)

Elastin fibers and alveolar surface tension

c)

Pleural fluid and cartilage

d)

Surfactant and smooth muscle

10.

What is the name of the long structure formed by a series of sarcomeres arranged in series?

a)

Myosin filament

b)

Myofibril

c)

Myofilament

d)

Muscle fiber

11.

Whihc division of the nervous system controls the activity of skeletal muscles?

a)

Autonomic nervous system

b)

Parasympathetic division

c)

Sympathetic division

d)

Somatic nervous system

12.

Sympathetic stimulation and especially the hormone epinephrine that occurs when the need for airflow is high will cause

a)

Bronchoconstriction

b)

Bronchodilation

c)

Vasoconstriction

d)

Brocnchial secretion increase