Post-Half Term Recap

The ​ (a)   nervous system receives ​signals from ​ (b)   neurons

• central
• sensory
• peripheral, motor
• autonomic, interneurons
• sympathetic, efferent

What type of contraction are the abdominals performing in this exercise?

• Isometric

• Isokinetic

• Isotonic

• Concentric

The difference between oxygen content in the blood between arterial and venous blood is called what?

• Diffusion Rate

• a-VO2 difference

• Cardiac cycle

• Starlings Law

An athlete who has a resting HR of 50 bpm and an average stroke volume of 100 ml, what will their cardiac output be?

• 5000 ml

• 150 ml

• 500 ml

• 0.5 L

The ​ (a)   nerve​ (b)   the heart and the ​ (c)   nerve​ (d)   the heart

• sympathetic
• speeds up
• parasympathetic
• slows down

Which hormone reduces heart rate

• Adrenaline

• Noradrenaline

• Acetylcholine

• Endocrine

Blood pH decreases during exercise due to lactic acid

• True

• False

Which type of receptors sense changes in blood pressure within the blood vessels?

• Baroreceptors

• Chemoreceptors

• Thermoreceptors

• Capillaries

Chemoreceptors primarily responds to changes levels of "what" in the blood?

• CO2

• O2

• Heamoglobin

• Lactic Acid

An increased network of blood vessels to the working muscles is called "what"?

• Hyperplasia

• Hypertrophy

• Capillarisation

• Adaptation of muscle fibres