YMCA Level 3 Exam Papers Practice Questions & Study Guide
1. What is the function of the aortic valve? B
A) to prevent the back flow of blood from the aorta into
the left atrium.
B) to prevent the back flow of blood from the aorta into
the left ventricle
C) to ensure the back flow of blood from the aorta into
the left ventricle
D) to ensure the back flow of blood from the aorta into
the left atrium
2. Which area of the body is supplied with blood via coro- A
nary circulation?
A) the heart
B) the brain
C) the lungs
D) the liver
, YMCA Level 3 Exam Papers Practice Questions & Study Guide
3. Which of the following will increase as a result of arte- D
riosclerosis?
A) elasticity of blood vessels
B) cardiac output
C) number of mitochondria
D) systolic blood pressure
4. Which of the following is mostly likely to occur if the B
breath is held whilst exercising?
A) hypertrophy
B) valsalva effect
C) increased flexibility
D) decreased lactic acid production
5. A
, YMCA Level 3 Exam Papers Practice Questions & Study Guide
Which of the following is a benefit which results from
regular endurance/aerobic training?
A) increased blood volume
B) increased lactic acid production
C) increased creatine phosphate storage
D) delayed onset of muscle storage (DOMS)
6. What is a myofibril? C
A) a protein which enables a muscle to contract
B) a neurotransmitter which initiates muscular con-
traction
C) the contractile part (unit) of a muscle fibre
D) the connective tissue which surrounds each muscle
fibre.
7. What is the name of the thicker of the two protein C
filaments involved in muscular contraction?
A) actin
B) collagen
C) myosin
D) keratin
8. When a myosin head attaches to an actin filament the A
resulting connection is known as a
A) criss-bridge
B) synapse
C) junction
D) collagen fibre
9. Which of the following muscles attaches onto both the B
scapula and the radius?
A) trapezius
B) biceps brachii
1. What is the function of the aortic valve? B
A) to prevent the back flow of blood from the aorta into
the left atrium.
B) to prevent the back flow of blood from the aorta into
the left ventricle
C) to ensure the back flow of blood from the aorta into
the left ventricle
D) to ensure the back flow of blood from the aorta into
the left atrium
2. Which area of the body is supplied with blood via coro- A
nary circulation?
A) the heart
B) the brain
C) the lungs
D) the liver
, YMCA Level 3 Exam Papers Practice Questions & Study Guide
3. Which of the following will increase as a result of arte- D
riosclerosis?
A) elasticity of blood vessels
B) cardiac output
C) number of mitochondria
D) systolic blood pressure
4. Which of the following is mostly likely to occur if the B
breath is held whilst exercising?
A) hypertrophy
B) valsalva effect
C) increased flexibility
D) decreased lactic acid production
5. A
, YMCA Level 3 Exam Papers Practice Questions & Study Guide
Which of the following is a benefit which results from
regular endurance/aerobic training?
A) increased blood volume
B) increased lactic acid production
C) increased creatine phosphate storage
D) delayed onset of muscle storage (DOMS)
6. What is a myofibril? C
A) a protein which enables a muscle to contract
B) a neurotransmitter which initiates muscular con-
traction
C) the contractile part (unit) of a muscle fibre
D) the connective tissue which surrounds each muscle
fibre.
7. What is the name of the thicker of the two protein C
filaments involved in muscular contraction?
A) actin
B) collagen
C) myosin
D) keratin
8. When a myosin head attaches to an actin filament the A
resulting connection is known as a
A) criss-bridge
B) synapse
C) junction
D) collagen fibre
9. Which of the following muscles attaches onto both the B
scapula and the radius?
A) trapezius
B) biceps brachii
