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IB SEHS - Midterm Exam Questions With Complete Answers!!
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IB SEHS - Midterm Exam Questions With Complete Answers!!
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Name: Score:87 Multiple choice questions
Definition 1 of 87
pacemaker of the heart
SA node
Bundle of his
Purkinje fibers
Av node
Term 2 of 87
long bone
short bone that supports weight, wider than they are long, phalanges, ulna
irregular bone found in the spine, not involved in movement, vertebrae
flat bone that protects organs, thin and broad, skull, ribs
most important bone for movement, longer than they are wide, metacarpals, radius
,Term 3 of 87
Define VO2 max and discuss why it is considered to be of functional importance from a health
and sports perspective.
-The smooth muscles in arterioles and capillaries in active muscle help regulate the
diameter of these vessels and maintain healthy blood pressure during activity.
-When these active muscles are in action, the blood supply of other muscles that are not
involved in the activity, such as the kidney and the skin, is reduced so the active muscle can
get the blood it needs to remain stable and healthy.
- Aerobic training increases VO2 max because it increases the heart rate tolerance in a
person's body
-It also builds muscle, which allows more oxygen to be taken in during aerobics or any
other exercise.
-By raising the heart rate, a person is able to increase the amount of oxygen their body can
take in and the intensity of workout they can handle.
-VO2 max is the maximum rate of oxygen that an individual can take in or use at once.
-This is important for sports and health because it can help a person understand their
maximum level of activity or performance.
-It also helps an athlete understand how to increase skill through training and improvement.
-VO2 is the amount of oxygen a person takes in during exercise.
-This might be interesting to assess to a doctor because it helps them understand the
oxygen going to the blood during physical activity.
-It shows how effective the lungs, heart blood flow, and muscles are working with each
other.
Term 4 of 87
metacarpals
bone lateral to tibia
bone posterior to clavicle
connects bone to bone
bone proximal to phalanges
,Term 5 of 87
factors that affect joint stability
-shape of articular surfaces, ligaments, and muscle tone
age, gender, and height of the individual
diet, exercise frequency, and sleep patterns
color of the skin, hair type, and eye color
Term 6 of 87
quadricep muscles
biceps brachii, triceps brachii, deltoid (3)
pectoralis major, latissimus dorsi, trapezius (3)
rectus femoris, vastus lateralis, vastus medialis, vastus intermedius (4)
gluteus maximus, hamstrings, quadratus lumborum (3)
Term 7 of 87
bursae
fluid filled sacs, reduce friction caused by muscles, facilitate movement
hollow tubes that carry blood throughout the body
cells that produce red blood cells in the bone marrow
tissues that provide structural support to organs
, Definition 8 of 87
muscle that goes from the ilium, lumbar, sacral and thoracic vertebrae across the lower and
middle back to the humerus
latissmus dorsi
biceps brachii
trapezius
distal
Definition 9 of 87
shaft of a long bone
patella
anterior
diaphysis
medullary cavity
Term 10 of 87
important hip joint muscles
latissimus dorsi, trapezius, and rhomboids
rectus femoris, vastus lateralis, and vastus medialis
pectoralis major, biceps brachii, and triceps brachii
piriformis, superior gemellus, inferior gemellus, tensor fasciae latae, sartorius, gluteus
medius, and gluteus minimus muscles
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