MBLEX Practice Exam 2024/2025 with 100% correct answers
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Course
MBLEX Practice Ex
Institution
MBLEX Practice Ex
The tibialis anterior and fibularis (peroneus) longus support the:
a. Frontal arch
b. Longitudinal arch
c. Transverse arch
d. Sagittal arch correct answersc. Transverse arch
Rationale: The transverse arch is a side-to side concavity on the underside of the foot. The support of the anatomical
...
Question 9: Asthma is a respiratory pathology that is defined as a(n):
a. Chronic inflammatory disorder with bronchospasms
b. Condition that results in the production of purulent sputum
, c. Enlargement of the air spaces distal to the terminal bronchioles and the destruction of the alveolar
walls
d. Acute or chronic inflammation of the paranasal sinuses correct answersa. Chronic inflammatory
disorder with bronchospasms
Rationale: Asthma is a chronic inflammatory disorder with bronchospasms (narrowing of the airways in
the lungs), a
condition that is reversible over time or following treatment. Sinusitis is a respiratory pathology that is
an acute or chronic
inflammation of the paranasal sinuses. Chronic bronchitis is a respiratory pathology resulting in the
production of purulent
sputum for at least three months in a row over a consecutive two years. Emphysema is an enlargement
of the air spaces
distal to the terminal bronchioles and the destruction of the alveolar walls.
Question 10: The superficial SCM or sternocleidomastoid is on the lateral anterior aspect of the neck. At
its origin it has
two heads a sternal and clavicular, and the insertion is the mastoid process and lateral portion of the
superior nuchal line
on the occiput. Unilaterally it has two actions, bilaterally one. What is the bilateral action of the SCM?
a. Extend the head
b. Flex the head
c. Lateral flexion of head and neck to the same side
d. Rotation of head and neck to the opposite side correct answersb. Flex the head
Rationale: Bilaterally the SCM or sternocleidomastoid brings the head into flexion. Unilaterally the SCM
laterally flexes the
head and neck to the same side and Rotates the head and neck to the opposite side. Look at the position
of the muscle on
each side of the neck. The SCM would work to flex the neck bilaterally, one side could laterally flex the
head and neck, but
to rotate you would need to active the other side unilaterally. Also bilaterally the SCM assists in
inhalation.
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