TEAS Science: Human Body Systems and Anatomy 1

Question 1

Which chamber of the heart pumps oxygenated blood to the body's systemic circulation?

Accepted Answer

Left ventricle

Answer

Right ventricle

Answer

Right atrium

Answer

Left atrium

Question 2

What is the primary function of the nephron in the kidney?

Accepted Answer

Filtering blood and forming urine

Answer

Producing hormones

Answer

Storing bile

Answer

Regulating blood pressure only

Question 3

Which type of muscle tissue is found in the walls of the digestive tract and blood vessels?

Accepted Answer

Smooth muscle

Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Striated voluntary muscle

Question 4

The sinoatrial (SA) node is best described as the heart's:

Accepted Answer

Natural pacemaker

Answer

Oxygen reserve

Answer

Valve between atria and ventricles

Answer

Blood pressure regulator

Question 5

Which organ system is primarily responsible for regulating body temperature through sweating and shivering?

Accepted Answer

Nervous system and integumentary system

Answer

Endocrine system

Answer

Lymphatic system

Answer

Muscular system only

Question 6

Where does gas exchange (oxygen and carbon dioxide) occur in the lungs?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Bronchioles

Question 7

Which part of the brain is responsible for coordinating voluntary movements and balance?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Medulla oblongata

Answer

Thalamus

Question 8

The large intestine's primary function is to:

Accepted Answer

Absorb water and form feces

Answer

Digest proteins

Answer

Secrete digestive enzymes

Answer

Absorb fats

Question 9

Which gland produces insulin and glucagon to regulate blood glucose levels?

Accepted Answer

Pancreas

Answer

Thyroid gland

Answer

Adrenal gland

Answer

Pituitary gland

Question 10

The mitral (bicuspid) valve is located between which two heart chambers?

Accepted Answer

Left atrium and left ventricle

Answer

Right atrium and right ventricle

Answer

Left ventricle and aorta

Answer

Right ventricle and pulmonary artery