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Trying To Pass A&P
A real one’s study stack for anyone balancing life, coffee, and anatomy. ☕💀 Thi
| Term | Definition |
|---|---|
| Epidermis | The outermost layer of the skin that provides a protective barrier and is composed primarily of keratinized stratified squamous epithelium. |
| The layer of the epidermis where new cells are formed is called the ________. | Stratum basale |
| Which of the following pigments contributes to skin color? A) Collagen B) Melanin C) Elastin D) Keratin | B – Melanin |
| Sarcomere | The basic contractile unit of a muscle fiber, composed of actin and myosin filaments |
| The muscle responsible for extending the forearm at the elbow joint is the ________. | Triceps brachii |
| Which type of muscle is involuntary and found in the walls of hollow organs? A) Skeletal B) Smooth C) Cardiac D) Striated | B – Smooth |
| Neuron | The structural and functional unit of the nervous system, specialized to transmit nerve impulses. |
| The part of the neuron that receives incoming signals is called the ________. | Dendrite |
| The peripheral nervous system consists of: A) Brain and spinal cord B) Spinal cord and sensory organs C) Cranial and spinal nerves D) Brain only | C – Cranial and spinal nerves |
| Hormone | A chemical messenger secreted into the bloodstream that regulates the activity of target cells or organs. |
| The gland often called the “master gland” because it influences many other endocrine glands is the ________. | Pituitary gland |
| hich hormone helps regulate blood sugar levels? A) Insulin B) Thyroxine C) Estrogen D) Cortisol | A – Insulin |
| Erythrocyte | A red blood cell responsible for transporting oxygen and carbon dioxide. |
| The liquid portion of blood that makes up about 55% of its volume is called ________. | Plasma |
| Which type of white blood cell is primarily involved in allergic reactions and parasite defense? A) Neutrophil B) Eosinophil C) Basophil D) Lymphocyte | B – Eosinophil |