Penn foste - Study guides, Class notes & Summaries

Penn Foster Anatomy & Physiology Questions and Answers Already Passed What is the main function of epithelial tissue in the body? To protect, absorb, and secrete substances. What is the role of the myelin sheath in nerve cells? To insulate the nerve fibers and increase the speed of nerve impulses. Which system is primarily responsible for transporting nutrients, gases, and wastes throughout the body? Circulatory system What is the function of osteoblasts in bone tissue? T...

Penn Foster Pharmacology Proctor Exam Practice Questions with Verified Solutions What is the difference between an agonist and an antagonist in pharmacology? An agonist activates a receptor to produce a response, while an antagonist blocks or dampens the response of a receptor. What role do the kidneys play in drug excretion? The kidneys filter drugs and their metabolites from the blood and excrete them through urine. What is meant by "first-pass effect" in pharmacology? T...

Penn Foster Biology Chapter 14-19 with Complete Solutions What is the primary function of the respiratory system? To facilitate gas exchange, providing oxygen to the bloodstream and removing carbon dioxide. What are the main components of the circulatory system? The heart, blood vessels, and blood. How do veins differ from arteries? Veins carry blood towards the heart and have valves to prevent backflow, while arteries carry blood away from the heart and have thicker walls ...

Penn Foster Color Theory Questions and Answers Already Passed What are the three primary colors used in traditional color theory? Red, blue, and yellow What happens when you mix complementary colors together? They neutralize each other, producing a gray or brown color. Which color is created by mixing blue and yellow? Green What is the term for colors located directly opposite each other on the color wheel? Complementary colors What is the effect of adding white to a colo...

Penn Foster Veterinary Pharmacology Final Exam Questions with Verified Solutions 1. **How do drugs affect the nervous system?** - Drugs affect the nervous system by acting at synaptic junctions. They can enhance the activity of neurotransmitters, mimic their actions, or block their effects. 2. **Name examples of respiratory drugs.** - Respiratory drugs include expectorants, mucolytics, antitussives, bronchodilators, and decongestants. 3. **Which drugs are commonly used to reli...

Penn Foster Anatomy and Physiology for Vet Techs Questions and Answers Already Passed 1. **Where would you expect the superficial digital flexor tendon in a horse's leg to be found, relative to the deep digital flexor?** - It would be closer to the skin than the deep digital flexor tendon. 2. **Where are goblet cells typically found in the body?** - Goblet cells are found in the intestines. 3. **What is the composition of simple cuboidal epithelium?** - Simple cuboidal epith...

Matter Correct Answer-Defined as anything that takes up space and has mass. Exists as solid, liquid, gas, or plasma. Element Correct Answer-What all matter is composed of. A substance that cannot be broken down into other substances by ordinary chemical means. Carbon, hydrogen, oxygen, nitrogen Correct Answer-four most common elements in living organisms. Atomic Theory Correct Answer-States that elements consist of tiny particles called atoms. Atomic Symbol Correct Answer-Name of an ...

Penn Foster Animal Anatomy and Physiology 1: Lesson 1 Questions and Answers Already Passed What is the function of the nucleolus within the nucleus? To produce ribosomal RNA and assemble ribosomes. Which cell structure is responsible for the synthesis of lipids and detoxification of drugs? Smooth endoplasmic reticulum What is the main function of cilia on the surface of certain cells? To move fluids or particles across the cell surface. What term describes the movement ...

PHARMACOLOGY PENN FOSTER VETERINARY TECHNICIAN FINAL EXAM | 100%CORRECT ANSWERS 2024 UPDATE. Describe how drugs affect the nervous system - ANSWER Drugs affect the nervous system by acting at the synaptic junctions to promote neurotransmitter's activity, mimic their actions, or block them from acting. Identify examples of respiratory drugs - ANSWER Expectorants, mucolytics, antitussives, bronchodilators, decongestants List which drugs are used to relieve pain and inflammation - ANSWER ...

Penn Foster Anatomy & Physiology 1 Questions and Answers Already Passed What is the main function of the skeletal system? To provide structure, support, and protection for the body. Which type of tissue connects muscles to bones? Tendons What is the role of the synovial fluid in joints? To lubricate the joints and reduce friction during movement. Which type of muscle tissue is responsible for the movement of the heart? Cardiac muscle What is the primary function of the ne...