What is an osteoblast - Study guides, Class notes & Summaries

Bios255, Comprehensive Exam This examination covers content learned in BIOS251, BIOS252, and BIOS255. This exam is worth 100 total points, consisting of 50 multiple-choice questions. You have 75 minutes to complete the Exam. Bios251 Describe a positive feedback system A positive feedback system is mechanism in which the system responds to the perturbation in the same direction as the perturbation. Positive feedback is essentially a feedback mechanism that results in the amplification or growth o...

BTEC Sport - Skeletal System Review Practice Test. What is an osteoblast? - CORRECT ANSWER - growth & repair = bone remodelling - Bring calcium to the bone - osteoblast activity inc when exercising (heavy resistance) = bones will become more dense + stronger - reduces osteoporosis What is an osteoclast? - CORRECT ANSWER - unnecessary Ca+ is removed from certain parts of bone - dissolve bone = while new layers of bone tissue are created - come from bone marrow Long bone - CORRECT ...

Skeletal System, Osteon Questions and Answers Graded A+ How do osteons help bones resist pressure and weight? Osteons are arranged in a way that aligns with the direction of the forces placed on the bone, providing optimal strength. What structural feature of the osteon is responsible for its strength and resilience? The concentric lamellae, which form a dense, organized structure around the central canal. What is the primary function of the lacunae in osteons? Lacunae house the ...

Name 3 types of cartilage and list where you find them - Answer-hyaline: attaches ribs to sternum, covers the end of some bones, cartilage within growth plates, fetal skeleton fibrous: intervertebral discs, pubic symphysis, cartilage pads of knee joints elastic: external ear, epiglottis of larynx Which two cartilage are listed as skeletal system cartilages in your textbook? - Answer-hyaline and fibrous Which type of cartilage is the most abundant and forms the embryonic skeleton? - Answer-...

WGU D236 Pathophysiology Exam (New 2023/ 2024 Update) Real Questions and Verified Answers| Grade A Ian rolled his ankle at basketball practice. He is limping and struggling to put weight on it. His ankle joint is visibly swollen and bruised.What injury has Ian sustained? A grade III sprain A grade II sprain A muscle strain A grade I sprain Answer: A grade II sprain QUESTION Glucocorticoids inhibit vitamin-D dependent calcium absorption in the intestine.What are patients...

Patho Final/ HESI. Exam questions and answers. RATED A+ What are the different types of fractures? - -Transverse -Oblique -Spiral -Comminuted -Avulsion -Impacted -Torus -Greenstick What are the stages of bone healing? - 1) hematoma 2) callus formation 3) ossification 4) remodeling What is the difference between a traumatic fracture and pathologic fracture? - -*trauma* --> direct injury -*pathologic* --> disease process; osteoporosis, metastatic bone cancer What is the purp...

LATEST Science TEAS 7 (2024)- SET 3 C. Peripheral nervous system and central nervous system. Which of the following are the two major parts of the nervous system? A. Autonomic nervous system and somatic nervous system. B. Peripheral nervous system and somatic nervous system C. Peripheral nervous system and central nervous system. D. Autonomic nervous system and central nervous system. B. Diameter. The measurement indicated by the line across the center of the cell is best referred to as ...

IUPUI Anatomy Final Exam Questions and Answers 100% Pass What is the major function of mitochondria? - Answer- produce ATP Trabeculae are found in? - Answer- Spongy Bone The primary site of protein synthesis is the? - Answer- Ribosome In anatomical description, a person is prone when? - Answer- lying face down in anatomical position The phagocytic cells in the epidermis are? - Answer- Langerhans cells In osseous tissue, which of the following are found in lacunae? - Answer- Osteocytes T...

ATI-TEAS QUESTION BANK 2023 LATEST SOLUTION BEST FOR 2023 What is the name of the structure that prevents food from entering the airway? a) trachea b) esophagus c) diagram d) epiglottis (Test 1) ANS - d) epiglottis "the epiglottis covers the trachea during swallowing, thus preventing food from entering the airway" ?= aka the windpipe - is a cylindrical portion of the respiratory tract that joins the larynx with the lungs (Test 1) ANS - Trachea ?= connects the throat to the st...

AATB standards 13TH Edition Exam Questions With Answers, Latest 2024/2025 (Verified Answers) Which of the following infectious disease tests is not required for all deceased donors? a. Anti-HIV-1 b. Anti-HIV-2 c. NAT for HIV-1 d. Anti-HTLV-1 - Answer d. Anti-HTLV-1 A Summary of Records is defined as: a. A condensed version of the donor testing and suitability determination records. This can be combined with the package inset. b. The written material accompanying tissue allograft or auto...