and Conditioning EXAM ISSA
Questions WITH CORRECT
SOLUTIONS!!
Neural Circuitry that travels outside the spinal cord - ANSWERPeripheral nervous system
A sensory receptor within a muscle that detects changes in length and helps regulate contraction -
ANSWERMuscle Spindle
Branches of the cell body that act as receivers, collecting information from other neurons -
ANSWERDendrites
Muscle contraction is triggered when the following chemical neurotransmitters binds to receptors on
the muscle - ANSWERacetylcholine
Division of the peripheral nervous system controls voluntary movement - ANSWERsomatic nervous
system
Type of motor unit can contract for many hours - ANSWERSlow of Motor Unit
Type of motor unit has a large motor neuron & consists of a large bundle of type IIx muscle fibers -
ANSWERFast Fatiguable (FF)
Voluntary movement starts in - ANSWERCerebral Cortex
The process that allows a muscle spindle to contract at the same rate as the muscle where it resides -
ANSWERAlpha-gamma Co-activation
How many nerves are contained within the peripheral nervous system - ANSWER43 Pairs
The muscular system includes how many muscles - ANSWERapproximately 650
,Muscle fiber type that's the largest & produce the most amount of force - ANSWERType IIx
Cross-bridge cycle requires energy, which is provided by - ANSWERATP hydrolysis
The function of epimysium is too - ANSWERProtect muscle from friction against other muscles or
bone.
Muscle fiber type has a very small amount of mitochondria - ANSWERType IIx
Make-up of a person's muscle fiber ratio - ANSWERIt can't be changed to a large degree
Training with heavy loads causes - ANSWEREqual growth of type I and type II fibers
Functions like girdles & guy wires to provide an interconnected structure - ANSWERFascia
Three possible mechanisms for inducing hypertrophy - ANSWERMechanical tension, metabolic
stress, muscle damage
functional units that can make a muscle shorten - ANSWERSarcomere
Found within the appendicular skeleton - ANSWERBones of the upper & lower extremities
Movement between 2 adjacent vertebrae is made possible by - ANSWERFacet Joints
Wolff's Law - ANSWERThe body responds by increasing or decreasing the bone's diameter
Cartilage plays important rolls such as - ANSWERBone development
Mature bone cells that maintain a bone's matrix - ANSWEROsteocytes
Bone on bone contact that results in joint pain - ANSWERosteoarthritis
,Elastin allows tissues too - ANSWERregain their original shape after being stretched
The main part or shaft of a long bone - ANSWERDiaphysis
Frontal plane is an imaginary plane that divides the body into - ANSWERAnterior & posterior
Angle that a joint rotates around its axis - ANSWERThe direction of rotation
The smallest blood vessel - ANSWERCapillaries
Create more muscular support when performing an intense exercise - ANSWERBracing effect of a
tight core
Largest lymphatic organ in the human body - ANSWERSpleen
One of the main functions of the respiratory system - ANSWERremoval of waste products of
metabolism
Normal amount of air displaced between inhalation & exhalation - ANSWERTidal Volume
Major glands of he endocrine system - ANSWERHypothalamus
The amount of blood pumped through the heart per minute - ANSWERCardiac output
Peripheral resistance - ANSWERThe amount of resistance to blood flow in the arteries.
Plasma makes up ____ percentage of blood volume - ANSWER55%
Right atrium receives deoxygenated blood from the body & moves it too - ANSWERThe right
Ventricle
, Law of conservation of energy states that energy - ANSWERcannot be created or destroyed
In short term, metabolic acidosis can - ANSWERimpair muscle power & energy production
Process of making ATP from glucose - ANSWERGlycolysis
Cytoplasm & Sarcoplasm - ANSWERSarcoplasm is where the action of the phosphates system & the
reaction components take place
The time it takes to fully replenish stored phosphocreatine after maximum effort exercise -
ANSWER15-25 minutes
The formation of glucose from noncarbohydrate sources - ANSWERgluconeogenesis
Lactate threshold corresponds with - ANSWERRapid drop in physical output & performance
Actions occur within the mitochondria during the first 10-30 seconds of maximal activity -
ANSWERMitochondria absorb protons (H+)
Enzyme breaks down triglycerides into fatty acids during lipolysis - ANSWERHormone-sensitive lipase
Fuel type produces 106 ATP - ANSWERFatty acids
Mechanics are divided into two categories - ANSWERdynamic and static.
Class of lever is the fulcrum (axis) located between the effort and the load - ANSWERFirst-class
a state of no acceleration, with the body at rest - ANSWEREquilibrium
Point at which both body mass & weight are equally distributed - ANSWERcenter of gravity.
Force is a product of - ANSWERmass times acceleration.