Anatomy and Physiology ATI TEAS Test Study Guide Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

Anatomy and Physiology ATI TEAS Test Study Guide Questions and Answers | Latest Version | 2024/2025 | Correct & Verified Which organ system is responsible for regulating the body's internal environment? A) Endocrine system B) Circulatory system C) Respiratory system D) Muscular system What part of the brain controls memory, thinking, and reasoning? A) Cerebellum B) Cerebrum C) Medulla oblongata D) Hypothalamus Which of these muscles is voluntary and under conscious control? A) Cardiac muscle 2 B) Smooth muscle C) Skeletal muscle D) Epithelial muscle What is the primary function of the epidermis in the skin? A) To act as a barrier protecting the body from harmful substances B) To regulate body temperature C) To produce vitamin D D) To store fat What is the function of the villi in the small intestine? A) To produce bile B) To secrete digestive enzymes C) To increase surface area for nutrient absorption D) To store waste products What is the main role of the alveoli in the lungs? A) To carry oxygen throughout the body 3 B) To facilitate gas exchange between the air and blood C) To filter dust and particles from the air D) To maintain lung structure Which part of the brain is primarily responsible for coordinating voluntary movements and balance? A) Cerebellum B) Cerebrum C) Medulla oblongata D) Pineal gland What is the role of the myelin sheath in the nervous system? A) To speed up the transmission of nerve impulses B) To protect the spinal cord from injury C) To regulate neurotransmitter levels D) To maintain fluid balance Which hormone is primarily responsible for regulating the body’s metabolism? 4 A) Thyroxine B) Insulin C) Estrogen D) Testosterone What is the role of the spleen in the lymphatic system? A) To filter urine B) To filter blood and remove old red blood cells C) To store bile D) To store lymph fluid What is the function of the parathyroid glands? A) To regulate calcium levels in the blood B) To control blood sugar levels C) To produce adrenaline D) To regulate metabolism