Questions and Answers | Practice
Questions | Graded A+
• intradiscal pressure . Answer: Pressure present between vertebral disks.
• insulin . Answer: A hormone produced by the pancreas or taken as a
medication by many diabetics
• sinatrial node . Answer: a mass of cardiac muscle cells that lies at the
junction of the superior vena cava with the right atrium and that initiates
and regulates contraction of the heart (SA Node) pacemaker
• Systolic Then Diastolic . Answer: true
• diastolic pressure . Answer: Blood pressure that remains between heart
contractions.
• systolic pressure . Answer: Blood pressure in the arteries during
contraction of the ventricles.
• electron transport chain . Answer: A sequence of electron carrier
molecules (membrane proteins) that shuttle electrons during the redox
reactions that release energy used to make ATP.
,• type 2b muscle fibers . Answer: ~Fast twitch, glycolytic
~White
~Sprinters, jumpers
~Rapid force production and then fatigues pretty quickly
greatest force production hypertrophy
• sarcoplasmic reticulum . Answer: Organelle of the muscle fiber that
stores calcium.
• Sacomere . Answer: functional nut of muscle that produces muscular
contraction and consists of repeating sections of actin and myosin
• a bond . Answer: part of sarcolemma that does not move during
contraction
• Sarcoplasm . Answer: cytoplasm of a muscle cell
• Acetylcholine . Answer: A neurotransmitter that enables learning and
memory and also triggers muscle contraction
,• Sarcolemma . Answer: plasma membrane of a muscle cell releases
calcium ions
• tendon . Answer: Connects muscle to bone
• ligament . Answer: Connects bone to bone
• mypfibrils can . Answer: Change length
• muscle spindles . Answer: detects excessive muscle stretch
• Pacinian corpuscles . Answer: respond to deep pressure and vibration
• 3 primary inhibitory proprioceptors . Answer: GTO
MUSCLE SPINDLES
PACINIAN CORPUSCLES
• absolute strength on strength curve . Answer: above upward slope
• The angle of Q represents . Answer: Starting strength
• tmax . Answer: upward slope
, • bottom row of strength curve . Answer: descent phase to transition
phase
ascent through sticking point
ascent to lockout
• strength curve . Answer: A and C - Relates to any exercise, has seven
factors
• anaerobic threshold . Answer: the point at which muscle metabolism
converts to anaerobic glycolysis
• absolute strength . Answer: Strength measured by how much weight or
resistance you can overcome regardless of your body size
• relative strength . Answer: Strength adjusted for your body size
• Brzycki Formula . Answer: 1RM = W x 36 / (37 - R)
• Borg CR10 Scale . Answer: The patient identifies the intensity of his or
her dyspnea while resting or exercising. Questionnaires probing the
degree of breathlessness while walking or performing other tasks are
often more useful. 1 to 10
• Maximal strength . Answer: maximal force a muscle can produce in a
single voluntary effort