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Fluids, Electrolytes and Acid-Base MC Questions & Answer 2025 | 100% Correct

what do most muscles span? - Answer - joints what is the origin? - Answer - the proximal attachment - the end of the muscle attached to the immovable part what is the insertion? - Answer - the distal attachment - where the bone and muscle attach at the moveable part what are muscles indirectly attached by? - Answer - tendons - an aponeurosis what wraps around a single muscle fiber? - Answer - endomysium what wraps around a fascicle? - Answer - perimysium w...

What are the parts of the Axial Skeleton? How many bones does the Axial Skeleton have? - Answer Axial Skeleton: Bones of Skull, Vertebral Column and Rib Cage Axial Skeleton has 80 bones What are the parts of the appendicular skeleton? How many bones does the appendicular skeleton have? - Answer Appendicular skeleton: includes bones of upper and lower limbs, pectoral girdle and pelvic girdle (which attach the limbs to the axial skeleton) there are 126 bones in the appendicula...

What is the difference between the endocrine and exocrine system? - Answer What are the two key regulators of day-to-day body functioning? - Answer The endocrine system and the autonomic nervous system How are the endocrine system and the autonomic system similar - Answer Both are responsible for regulating body functions, maintaining homeostasis, and coordinating responses to changes in the environment Compare the endocrine system and the autonomic system in communicating sys...

What is respiration? (4 processes) - Answer - major function of respiratory system is to supply O2 and dispose of CO2 -Respiration involves 4 processes Respiratory System: - Pulmonary Ventilation: movement of air in and out of lungs - External respiration: exchange of gases between blood and air of alveoli Circulatory System: - Transport of respiratory gases: role of blood in transport of gases between lungs and tissues of body - Internal respiration: at the level of the tissus, e...

Potassium - Answer 1. Immediately after an action potential has peaked, which cellular gates open? Store calcium ions - Answer The major function of the sarcoplasmic reticulum in muscle cells is to Tropomyosin serves as a contraction inhibitor by blocking the myosin binding sites on the actin molecules - Answer What is the role of tropomyosin in skeletal muscles? A. Tropomyosin is the name of a contracting unit B. Tropomyosin serves as a contraction inhibitor by blocking the myo...

What are most exocrine glands in the human body classified as? - Answer Merocrine What cells types are likely to be found in areolar CT - Answer Fibroblasts Macrophages Mast cells What is found in the bone but not in the matrix of cartilage - Answer Blood vessels What is the shape of the external ear maintained by? - Answer elastic cartilage What is the embryonic CT from which all other CT arise - Answer Mesenchyme Which fiber types gives CT great tensile strength...

What are the conditions of homeostasis? - Answer 1. core body temperature must remain within range 2. wastes must not accumulate 3. heart activity/blood pressure is monitored and adjusted as needed 4. adequate blood levels of vital nutrients What are the three essential characteristics of homeostasis? - Answer 1. receptor 2. control centre 3. effector Receptor (homeostasis) - Answer senses change (stimulus) and sends info (afferent pathway) to the control centre cont...

Compare the difference between the two side-by-side pumps of the heart - Answer RIGHT SIDE: - Receives oxygen poor blood from body tissues - Pumps blood to lungs to pick up O2 and dispel CO2 LEFT SIDE: - Receives oxygenated blood from lungs - Pumps blood throughout body to supply O2 and nutrients to body tissues Blood vessels that carry blood to / from lungs form the _____________ - Answer PULMONARY CIRCUIT Blood vessels that carry blood to / from all body tissues form the ...

Epimysium - Answer outermost layer, most robust, connects muscles to bones Perimysium - Answer Connective tissue surrounding a fascicle Endomysium - Answer Connective tissue surrounding a muscle fiber Deep fascia - Answer dense connective tissue on the surface of individual muscles wraps bundles of muscles together and are more robust than Epimysium characteristics of muscles - Answer excitability, contractility, extensibility, elasticity Functions of muscles - An...