What electrolyte is required for skeletal musclecontraction and what is its source?

Q: What main effect do endothelin, angiotensin II, and norepinephrine have on the smooth muscle of…

A: The endothelin is secreted by vascular endothelial cells.   Angiotensin 2 is secreted by kidneys.…

Q: Aside from measuring the pulse, what other processes could have measured to determine the external…

A: Skeletal muscles are muscles that bring about movement. During exercise, skeletal muscle contraction…

Q: What is the typical diameter of a smooth muscle cell?

A: As we know Muscle is a contractile tissue that brings about body movements. Muscles are regarded as…

Q: What is the velocity at which a single muscle fiber shortens is determined?

A: Muscle fibers consist of a single muscle cell. They help to regulate the physical forces within the…

Q: Explain the events of excitation-contraction coupling.

A: Excitation-contraction coupling (ECC) is a mechanism that connects the plasma membrane stimulation…

Q: What are the four main patterns of skeletal muscle fiberorganization?

A: Muscles are the integral structural and functional units of the body's muscular system and comprise…

Q: What is the typical diameter of a smooth muscle cell?

A: Introduction: Muscle is a contractile tissue that brings about body movements. Muscles are regarded…

Q: What conditions will produce the maximum tension in a skeletal muscle fiber?

A: Muscles are required in breathing, talking, running, walking, and any body movements. Actin and…

Q: Rigor mortis is usually complete within 1 to 2 days after death (depending onenvironmental…

A: Introduction: When muscle fibers are completely depleted of adenosine triphosphate (ATP) and…

Q: How do calcium ionsparticipate in musclecontraction? Why do bothmuscle contraction andmuscle…

A: Muscle contraction is the process of activating tension generating sites in the muscle fibers.…

Q: During increases in the force of skeletal-muscle contraction, what is the order of recruitment of…

A: Muscle contraction is done when activation of muscle fiber takes place due to the activation of…

Q: What is the physiologic basis of muscle fatigue?

A: The muscular system of the body is comprised of three different types of muscles. These are-…

Q: What does the term VO2max refer to? Draw a figure showing changes in VO2 over increasing intensity…

A: It is an important measure of an individual's cardiorespiratory fitness and endurance, as it…

Q: What do smooth muscle plasma membranes contain?

A: BASIC INFORMATION  MUSCLE It is a type of soft tissue which are found in most of the animals. The…

Q: Which type of contraction develops more muscle tension: isotonic or isometric?

A: Muscles are the tissues that can change their length and cause movement of the body parts.

Q: Describe possible mechanisms for why blood pressure may have a greater change during the Valsalva…

A: Physical fitness is essential in our everyday lives, it benefits us in so many ways and makes us…

Q: Compare and contrast the contractile mechanisms and the means of activation of skeletal and smooth…

A: Skeletal muscle  Skeletal muscles are attached to bones. These are long, cylindrical, striated…

Q: What does calcium ion do in the excitation contraction coupling period? What step in the process…

A: Excitation contraction coupling It is defined as the mechanism that associates the plasma membrane…

Q: What chemicals are needed to perform a muscle contraction?

A: Muscle contraction refers to the activation of tension-producing sites inside a muscle cell. It does…

Q: What effect does increasing the frequency of action potentials in askeletal muscle fiber have upon…

A: With alternative arrangements of light and dark band, skeletal muscles are striated muscles. They…

Q: What effect does a pacemaker potential have on a smooth musclecell?

A: In human physiology, pacemaker potential can be described as the positive increase in voltage in the…

Q: What is the maximum distance that diffusion is effective for oxygenating a muscle cell? How does the…

A: Introduction :- Muscle cells are also known as myocytes and these are of different types :- skeletal…

Q: What stores CA+ in the muscle cells and what stores CA+ as a reservoir in the human body?

A: Numerous ion channel proteins pumps are located within the SR membrane and it helps to pump calcium…

Q: If a trained runner performed a VO2 max test on the treadmill on one day and then did a VO2 max test…

A: Answer  The VO2 max numbers would be almost the same, but there is a probability that the VO2 during…

Q: What does it mean when we say cardiac muscle contraction is a graded contraction?

A: Contractions of the heart (heartbeats) are controlled by specialized cardiac muscle cells.

Q: What factors determine the duration of an isotonic twitch in skeletal muscle? An isometric twitch?

A: To a single action potential, twitch is the mechanical response of a muscle fiber. Before the…

Q: What are Regulatory Molecules That Mediate ExerciseInduced Changes in Muscle?

A: Muscle is soft tissue and consists of protein filaments of myosin and actin. These filaments slide…

Q: What changes can be expected in the case of muscle tissue atrophy and hypertrophy?

A: INTRODUCTION Muscle tissue atrophy Muscular atrophy occur due to type absence of physical work or it…

Q: List the factors responsible for skeletal muscle fatigue?

A: Muscle fatigue Decline in muscle force generated over sustained periods of activity or due to…

Q: Compare the structural and functional characteristics ofcardiac muscle with those of skeletal…

A: Cardiac muscle:a. It is found only in the heart.b. It appears long and rod-shaped cells,…