SEHS Paper 1 (7)

What are the functions of the axial skeleton?

• A

• B

• C

• D

Which statement is correct about the insertion of a skeletal muscle?

• The attachment of a muscle tendon to a moveable bone

• The attachment of a muscle tendon to a stationary bone

• The attachment of a muscle tendon at the proximal end

• The attachment of a muscle tendon on the anterior aspect

The diagram shows the skeletal muscles in the anterior upper leg. Which muscle is labelled X?

• Rectus femoris

• Vastus medialis

• Sartorius

• Vastus lateralis

The graph below represents lung volume. What is labelled X?

• Tidal volume

• Vital capacity

• Expiratory reserve volume

• Inspiratory reserve volume

Which statement(s) about the functions of the conducting airways is/are correct?

I. Provide a low resistance pathway for airflow

II. Provide a site for gaseous exchange

III. Warm and moisten the air

• I and II only

• I and III only

• II and III only

• I, II and III

What causes an increase in ventilation?

• A decrease in carbon dioxide content in the blood

• A decrease in hydrogen ions in the blood

• A decrease in blood pH

• A decrease in blood acidity

What is the primary role of platelets?

• Supporting immune function

• Carrying dissolved substances

• Transporting oxygen

• Blood clotting and preventing bleeding

How is cardiac output calculated?

• Heart rate × stroke volume

• Heart rate + stroke volume

• Heart rate + tidal volume

• Tidal volume × stroke volume

What does systolic blood pressure measure?

• The force exerted on venous walls during atrial contraction

• The force exerted on arterial walls during atrial contraction

• The force exerted on venous walls during ventricular contraction

• The force exerted on arterial walls during ventricular contraction

Which are macronutrients?

I. Fats

II. Carbohydrates

III. Water

• I and II only

• I and III only

• II and III only

• I, II and III