Osteoblasts - Study guides, Class notes & Summaries

HESI A2 Anatomy and Physiology Q&A Course Hesi A2 Institution Chamberlain College Of Nursing HESI A2 Anatomy and Physiology Q&A 1. Which of the following hormones decreases the concentration of blood glucose? A. insulin B. glucagon C. growth hormone D. glucocorticoids 2. Which structure controls the hormones secreted by the pituitary gland? A. hypothalamus B. adrenal gland C. testes D. pancreas 3. How much of a female’s blood volume is composed of red blood cells? A. 10% B. 25% C. 40% D. ...

Nutrients are classified as macronutrients and micronutrients. Which of the following is NOT considered a macronutrient? A. Carbohydrate B. Fat C. Protein D. Vitamins - ANSWER Vitamins Good sources of potassium include all of the following except A. tomatoes B. bananas C. snack crackers D. potatoes - ANSWER Snack crackers Fructose is found mostly in A. dairy products. B. grains and cereals. C. meat. D. fruits and vegetables. - ANSWER Fruits and vegetables During exercise wat...

Osteoblasts ~ Primary bone-producing cells -young immature cell Osteocytes ~ Transformed osteoblasts that are surrounded by new bone tissue Osteoclasts ~ The major reabsorptive cells of the bone (breaks down bone) New bone is soft and hardens when it gets mineralized by _______ and _________ ~ calcium and phosphate Joints are also called _________ ~ articulations The functional units of muscle contractions are _________. They are made of _______ and ________ ~ Myofibrils; act...

Describe the cells of the bone tissue - Answer--Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? - Answer-Endosteum What is the periosteum composed of? - Answer--Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts Describe the matrix of the bone tissue - Answer--Stony matter surrounding osteoc...

NURS 410 Comprehensive Exam 3 || Questions & Answers (100% Correct) NURS 410 Comprehensive Exam 3 || Questions & Answers (100% Correct) Tendons connect - ANSWER - muscle to bone Ligaments connect - ANSWER - muscle to muscle bursa definition - ANSWER - fluid and cushion, have them in spine functions of the musculoskeletal system - ANSWER - -protection for vital organs -providing framework to support body structures -mobility -maintenance of body temperature -facilitation of venou...

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...

Hondros BIO 117 Exam 2 with Complete Solutions Shaft of long bone diaphysis Site of longitudinal bone growth epiphyseal disc Bone-building cell osteoblast Site of blood cell production red bone marrow Tough outer covering of the bone periosteum Enlarged end of a long bone epiphysis Cancellous bone spongy bone Osteon haversian system Bone-eroding cell that helps in bone marrow remodeling osteoclast Hollow center of a long bone medullary cavity The epiphyseal di...

Describe bone remodeling during growth, adulthood and old age. Correct Answer-Bone is constantly changing - Every 10 years, we have new bones During adolescence - We put on 50% of bone mass - Growth stage, very important Reach peak bone mass at 25 - Around mid-30s, aging occurs and we start to lose bone -Women lose more bone than men (menopause) What are osteoblasts and osteoclasts? Correct Answer-osteoblasts make new bone osteoclasts remove bone Describe the functions of ca...

ADH (Antidiuretic Hormone) - ANSWER Comes from Pos. Pituitary, Targets kidneys for water conservation, +/- blood volume and pressure OCT (Oxytocin) - ANSWER Comes from Pos. Pituitary, Targets mammary glands and uterus to induce milk movement into secretory ducts and induce uterine contractions during childbirth, + cervical & uterine stretching ACTH (Adrenocorticotropic Hormone) - ANSWER Comes from Ant. Pituitary, Targets the Zona Fasciculata to stimulate the release of cortisol and adrenal...

BIOS 251 WEEK 5 QUIZ QUESTIONS AND ANSWERS | LATEST 2023/2024- CHAMBERLAIN Bones are repositories for calcium and phosphorous. True False - True During adulthood, once bone tissue is formed, it will not change. True False - False Bones under heavy stress are often weaker and thinner than bones under less stress. True False - False Osteoblasts come from mesenchymal precursor cells. True False - True Osetocytes monitor and maintain the bone matrix. Osteoclasts break down the bone ma...