T tubules are Study guides, Class notes & Summaries

PHYS 506 Anatomy and Physiology Muscle Histology MCQs Answers 2023/24 Muscle Histology 1. Skeletal and cardiac muscle, which are both striated, at resting length contain an A band in each sarcomere. This A band contains: (A)Essentially all the contractile protein myosin, but no actin (B) Essentially all the contractile protein actin, but no myosin (C) Essentially all the myosin, plus some actin (D)Essentially all the actin, plus some myosin (E) Troponin and tropomyosin, but no actin Ans...

What structure runs from Z line to Z line? Sarcomere The movement of the troponin-tropomyosin complex requires _______ Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ Gactin. A myofilament is the _________. Protein strand composed of actin or myosin T tubules ________. Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplasm back into the sarcoplasmic reticulum would...

HESI A2 Anatomy and Physiology. 1. Anatomic position 2. Which of the following is a structure found in the upper respiratory? 3. A person who has damage to their ulnar nerve will have decreases sensation in 4. Which bone dose not articulate with any other bone? 5. Which of the following statements best describe endocrine glands? 6. Diet is important because bone are storage places for 7. Which organ is part of both the male reproductive system and the urinary system? 8. Red blood cell production...

What structure runs from Z line to Z line? - Answer-Sarcomere The movement of the troponin-tropomyosin complex requires _______ - Answer-Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ - Answer-Gactin. A myofilament is the _________. - Answer-Protein strand composed of actin or myosin T tubules ________. - Answer-Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplas...

Bio 264 Exam 3 Questions and Answers Already Passed What structure runs from Z line to Z line? Sarcomere The movement of the troponin-tropomyosin complex requires _______ Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ G- actin. A myofilament is the _________. Protein strand composed of actin or myosin T tubules ________. Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calci...

Bio 161 Exam 4 Review with Complete Solutions What is another term for an individual muscle cell? - Answer: Muscle fiber Define fasicle in the context of muscle anatomy. - Answer: A cluster of muscle cells within the core of a muscle. Explain the function of the sarcolemma in skeletal muscle cells. - Answer: The sarcolemma serves as the outer membrane of skeletal muscle cells, maintaining cell integrity and regulating ion movement. Describe the sarcoplasm and its role wit...

GMS 6474 Questions and Answers Rated A+ Lecture 2 Muscles can either be ____ or ____? 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? FALSE! what two factors determine the force pro...

HESI A2 REVIEW TEST BANK Which of the following is a structure found in the upper respiratory? Pharynx. Golgi apparatus functions as? Process protein secretion. Synthesize carbs and glycoproteins. 1. How many carbs per gram do carbohydrates contain? 4. 2. When water molecules move across cell membrane from high to low concentration this process is called? Osmosis. 3. What is the result of carbon dioxide in the body? Body becomes more acidic. 4. What part of the body is the lower back? Lumbar. 5....

Sawey: Contemporary Issues in Biology + Lab Exam 1 Questions and Answers 100% Pass -if it starts with an "H" - Answer- virus -if it doesn't start with an "H" (HIV, Hep B, Hep C, HPV, Herpes) - Answer- bacteria -chlamydia is bacteria (t/f) - Answer- true -herpes can be cured by antibiotics (t/f) - Answer- false -syphillis is a virus (t/f) - Answer- false -you can't get an sti if you've only had one partner (t/f) - Answer- false -hpv can increase risk of cervical cancer (t/f) - Answ...

Biology 235 Physiology - Exam #2 Questions With Verified Answers What are the three types of muscle tissue? 1) Skeletal muscle 2) Cardiac muscle 3) Smooth muscle What are the characteristics of skeletal muscle? - Long, cylindrical cells - Multinucleate - Striated with numerous fine bands - Voluntary - Neurogenic, it requires a nerve to stimulate it What are the characteristics of smooth muscle? - Spindle shapes - Flat and unstriated - Single nucleus - Involuntary - No sar...