Human Revision

Which of the following is NOT a component of the cardiovascular system?

• Kidneys
• Blood vessels
• Lungs
• Heart

How many chambers does the heart have?

• 4
• 2
• 1
• 3

Blood returning to the heart from the body enters which chamber first?

• Right atrium
• Left atrium
• Right ventricle
• Left ventricle

Which structure protects the airway during swallowing?

• Bronchus
• Pharynx
• Trachea
• Epiglottis

Insulin is a hormone produced by which organ?

• Pituitary gland
• Adrenal gland
• Thyroid gland
• Pancreas

Which hormone regulates metabolism and is produced by the thyroid gland?

• Thyroxine
• Insulin
• Oestrogen
• Testosterone

What is the functional unit of the kidney responsible for filtering blood?

• Nephron
• Glomerulus
• Ureter
• Bladder

Which tube connects each kidney to the bladder?

• Renal artery
• Urethra
• Renal vein
• Ureter

Which condition is characterized by inflammation in the stomach lining?

• Gastritis
• Hepatitis
• Appendicitis
• Pneumonia

What is a common symptom of gastroesophageal reflux disease (GERD)?

• Constipation
• Heartburn
• Excessive thirst
• Muscle cramps