Health Science Exam Study Guide

What is the primary function of the respiratory system?

• To circulate blood throughout the body

• To remove waste products from the bloodstream

• To supply the body with oxygen and remove carbon dioxide

• To break down food into nutrients

Which of the following best describes the role of the hypothalamus?

• It controls voluntary movements and balance.

• It regulates body temperature, hunger, and thirst.

• It is responsible for the processing of visual information.

• It aids in the digestion of food.

What is the basic unit of structure and function in living things?

• Organ

• Tissue

• Cell

• Organ system

Which of the following is NOT a type of tissue found in the human body?

• Epithelial

• Connective

• Muscular

• Woody

What is the primary function of the circulatory system?

• To produce hormones

• To transport nutrients, gases, and wastes to and from cells

• To control body temperature

• To convert food into energy

Which of the following organs is NOT part of the digestive system?

• Liver

• Kidney

• Stomach

• Small intestine

What is homeostasis?

• The process by which organisms maintain a relatively stable internal environment.

• The breakdown of food into smaller components.

• The production of energy within the cell.

• The movement of substances across a cell membrane without the use of energy.

Which of the following best describes the function of the skeletal system?

• To produce blood cells

• To protect and support the body organs

• Both A and B

• To control muscle movements

What is the role of neurotransmitters in the nervous system?

• To physically support neurons

• To transport nutrients to neurons

• To transmit signals between neurons

• To remove waste products from neurons

Which vitamin is essential for blood clotting?

• Vitamin A

• Vitamin B12

• Vitamin C

• Vitamin K