BIOL 260 Midterm (Ch 1, 2, 3, 12, 13, 15, 14, 17, 10) Questions And Expert Answers.

BIOL 260 Midterm (Ch 1, 2, 3, 12, 13, 15,
14, 17, 10) Questions And Expert
Answers




These ;characterize ;the ;ANS ;- ;- ;correct ;Answers ;✔✔ ;-- ;a ;two-neuron ;efferent ;chain

- ;presence ;of ;neuron ;cell ;bodies ;in ;the ;CNS

- ;presence ;of ;neuron ;cell ;bodies ;in ;the ;ganglia

Short ;preganglionic, ;long ;postganglionic ;fibers ;- ;correct ;Answers ;✔✔ ;-Sympathetic

intramural ;ganglia ;- ;correct ;Answers ;✔✔ ;-parasympathetic

craniosacral ;part ;- ;correct ;Answers ;✔✔ ;-parasympathetic

adrenergic ;fibers ;- ;correct ;Answers ;✔✔ ;-sympathetic

cervical ;ganglia ;- ;correct ;Answers ;✔✔ ;-sympathetic

otic ;and ;ciliary ;ganglia ;- ;correct ;Answers ;✔✔ ;-parasympathetic

generally ;short-duration ;action ;- ;correct ;Answers ;✔✔ ;-parasympathetic

increases ;heart ;rate ;and ;blood ;pressure ;- ;correct ;Answers ;✔✔ ;-sympathetic

increases ;gastric ;motility ;and ;secretion ;of ;lacrimal, ;salivary, ;and ;digestive ;juices ;- ;correct ;Answers ;✔
✔ ;-parasympathetic

innervates ;blood ;vessels ;- ;correct ;Answers ;✔✔ ;-sympathetic

most ;active ;when ;you ;are ;relaxing ;in ;a ;hammock ;- ;correct ;Answers ;✔✔ ;-parasympathetic

active ;when ;you ;are ;running ;in ;the ;Boston ;Marathon ;- ;correct ;Answers ;✔✔ ;-sympathetic

The ;white ;rami ;communicantes ;contain ;what ;kind ;of ;fibers? ;- ;correct ;Answers ;✔✔ ;-
preganglionic ;sympathetic

,Collateral ;sympathetic ;ganglia ;are ;involved ;with ;innervating ;- ;correct ;Answers ;✔✔ ;-
abdominal ;organs

Depends ;on ;oxygen ;delivery ;and ;aerobic ;mechanisms.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-A) ;Slow ;(oxidative), ;fatigue-
resistant ;fibers

Have ;very ;fast-acting ;myosin ;ATPases ;and ;depend ;upon ;anaerobic ;metabolism ;during ;contraction.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-B) ;Fast ;
(oxidative ;or ;glycolytic), ;fatigable ;fibers

Red ;fibers, ;the ;smallest ;of ;the ;fiber ;types.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-A) ;Slow ;(oxidative), ;fatigue-
resistant ;fibers

Contain ;abundant ;amounts ;of ;glycogen.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-B) ;Fast ;
(oxidative ;or ;glycolytic), ;fatigable ;fibers

Abundant ;in ;muscles ;used ;to ;maintain ;posture.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-A) ;Slow ;(oxidative), ;fatigue-
resistant ;fibers

A ;relatively ;high ;percentage ;are ;found ;in ;successful ;marathon ;runners.

A) ;Slow ;(oxidative), ;fatigue-resistant ;fibers

B) ;Fast ;(oxidative ;or ;glycolytic), ;fatigable ;fibers ;- ;correct ;Answers ;✔✔ ;-A) ;Slow ;(oxidative), ;fatigue-
resistant ;fibers

The ;stimulus ;above ;which ;no ;stronger ;contraction ;can

;be ;elicited, ;because ;all ;motor ;units ;are ;firing ;in ;the ;muscle.

,A) ;Treppe

B) ;Multiple ;motor ;unit ;summation

C) ;Wave ;summation

D) ;Tetanus

E) ;Maximal ;stimulus ;- ;correct ;Answers ;✔✔ ;-E) ;Maximal ;stimulus

The ;phenomenon ;in ;which ;the ;contraction ;strength ;of ;a ;muscle ;increases, ;due ;to ;increased ;Ca2+ ;av
ailability ;and ;enzyme ;efficiency ;during ;the ;warm-up.

A) ;Treppe

B) ;Multiple ;motor ;unit ;summation

C) ;Wave ;summation

D) ;Tetanus

E) ;Maximal ;stimulus ;- ;correct ;Answers ;✔✔ ;-A) ;Treppe

Continued ;sustained ;smooth ;contraction ;due ;to ;rapid ;stimulation.

A) ;Treppe

B) ;Multiple ;motor ;unit ;summation

C) ;Wave ;summation

D) ;Tetanus

E) ;Maximal ;stimulus ;- ;correct ;Answers ;✔✔ ;-D) ;Tetanus

The ;situation ;in ;which ;contractions ;become ;stronger ;due ;to ;stimulation ;before ;complete ;relaxation ;
occurs.

A) ;Treppe

B) ;Multiple ;motor ;unit ;summation

C) ;Wave ;summation

D) ;Tetanus

E) ;Maximal ;stimulus ;- ;correct ;Answers ;✔✔ ;-C) ;Wave ;summation

How ;a ;smooth ;increase ;in ;muscle ;force ;is ;produced.

, A) ;Treppe

B) ;Multiple ;motor ;unit ;summation

C) ;Wave ;summation

D) ;Tetanus

E) ;Maximal ;stimulus ;- ;correct ;Answers ;✔✔ ;-B) ;Multiple ;motor ;unit ;summation

A ;sarcomere ;is ;the ;distance ;between ;two ;________.

A) ;I ;band

B) ;A ;band

C) ;Myosin

D) ;Z ;discs ;- ;correct ;Answers ;✔✔ ;-D) ;Z ;discs

The ;________ ;contains ;only ;the ;actin ;filaments.

A) ;I ;band

B) ;A ;band

C) ;Myosin

D) ;Z ;discs ;- ;correct ;Answers ;✔✔ ;-A) ;I ;band

The ;thicker ;filaments ;are ;the ;________ ;filaments. ;

A) ;I ;band

B) ;A ;band

C) ;Myosin

D) ;Z ;discs ;- ;correct ;Answers ;✔✔ ;-C) ;Myosin

Both ;actin ;and ;myosin ;are ;found ;in ;the ;________.

A) ;I ;band

B) ;A ;band

C) ;Myosin

D) ;Z ;discs ;- ;correct ;Answers ;✔✔ ;-B) ;A ;band