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Marina K
Anatomy Final Study Stack
| Question | Answer |
|---|---|
| What is the primary function of the rectus abdominis muscle? | Flexion of the vertebral column and compression of abdominal contents. |
| Which muscle abducts the arm and is a major shoulder muscle? | Deltoid. |
| What is the origin and insertion of the biceps brachii? | Origin: scapula (short head - coracoid process, long head - supraglenoid tubercle); Insertion: radial tuberosity. |
| Which muscle is the main extensor of the knee? | Quadriceps femoris group. |
| What are the three main parts of a neuron? | Cell body (soma), dendrites, and axon. |
| What is the function of the myelin sheath? | To insulate the axon and speed up electrical impulse conduction. |
| Which part of the brain controls balance and coordination? | Cerebellum. |
| What is the function of the rods and cones in the retina? | Rods detect light and dark (low light vision), cones detect color and detail (bright light). |
| What hormone does the pancreas produce to lower blood glucose? | Insulin. |
| Which gland is known as the "master gland"? | Pituitary gland. |
| What hormone does the adrenal medulla secrete during the fight-or-flight response? | Epinephrine (adrenaline). |
| What is the path of blood flow through the heart and lungs? | Right atrium → right ventricle → lungs → left atrium → left ventricle → body. |
| What is the function of the valves in the heart? | To prevent backflow of blood. |
| Which artery carries deoxygenated blood? | Pulmonary artery. |
| What is the primary function of lymph nodes? | Filter lymph and house lymphocytes that help fight infection. |
| What type of cells produce antibodies? | B cells (plasma cells). |
| What muscle is primarily responsible for inspiration (inhaling)? | Diaphragm. |
| What structure prevents food from entering the trachea during swallowing? | Epiglottis. |
| Where does gas exchange occur in the lungs? | Alveoli. |