NSCA CSCS (2025) Actual Exam Questions and Answers A+ Graded

NSCA CSCS (2025) Actual Exam
Questions and Answers A+ Graded




Which .of .the .following .substances .regulates .muscle .actions?

potassium
calcium
troponin
tropomyosin .- .CORRECT .ANSWER-calcium

Which .of .the .following .substances .acts .at .the .NMJ .to .excite .the .muscle .fibers
.of .a .motor .unit?


acetylcholine
ATP
creatine .phosphate
serotonin .- .CORRECT .ANSWER-acetylcholine

When .throwing .a .baseball, .an .athlete's .arm .is .rapidly .stretched .just .before
.throwing .the .ball. .Which .of .the .following .structures .detects .and .responds .to
.that .stretch .by .reflexively .increasing .muscle .activity?


golgi .tendon .organ
muscle .spindle
extrafusal .muscle
pacinian .corpuscle .- .CORRECT .ANSWER-muscle .spindle

From .which .of .the .following .is .the .heart's .electrical .impulse .normally .initiated?

AV .node
SA .node
the .brain
the .sympathetic .nervous .system .- .CORRECT .ANSWER-SA .node

Which .of .the .following .occurs .during .the .QRS .complex .of .a .typical .ECG?
1. .depolarization .of .the .atrium
2. .repolarization .of .the .atrium
3. .repolarization .of .the .ventricle
4. .depolarization .of .the .ventricle .
a. .1 .and .3 .only
b. .2 .and .4 .only

,c. .1, .2, .and .3 .only
d. .2, .3, .and .4 .only .- .CORRECT .ANSWER-b. .2 .and .4 .only

Which .of .the .following .is .the .definition .of .power?

mass .x .acceleration
force .x .distance
force .x .velocity
torque .x .time .- .CORRECT .ANSWER-force .x .velocity

To .compare .performances .of .Olympic .weightlifters .of .different .body .weights,
.the .classic .formula .divides .the .load .lifted .by .the .athlete's


body .weight
body .weight .squared
lean .body .weight
body .weight .to .the .two-thirds .power .- .CORRECT .ANSWER-body .weight .to .the
.two-thirds .power


During .a .free .weight .exercise, .muscle .force .varies .with .which .of .the .following?

1. .perpendicular .distance .from .the .weight .to .the .body .joint
2. .joint .angle
3. .movement .acceleration
4. .movement .velocity .squared

a. .1 .and .2 .only
b. .1 .and .4 .only
c. .1, .2, .and .3 .only
d. .2, .3, .and .4 .only .- .CORRECT .ANSWER-a. .1 .and .2 .only .(perpendicular .distance
.from .the .weight .to .the .body .joint .AND .joint .angle)


A .vertical .jump .involves .knee, .hip, .and .shoulder .movement .primarily .in .which
.of .the .following .anatomical .planes?


sagittal
perpendicular
frontal
transverse .- .CORRECT .ANSWER-sagittal

An .athlete .is .performing .a .concentric .isokinetic .elbow .flexion .and .extension
.exercise. .Which .of .the .following .type(s) .of .lever .occur(s) .at .the .elbow .during
.this .exercise?


1. .1st .class
2. .2nd .class
3. .3rd .class

a. .1 .only

, b. .2 .only
c. .1 .and .3 .only
d. .2 .and .3 .only .- .CORRECT .ANSWER-c. .1 .and .3 .only

Which .of .the .following .substances .can .be .metabolized .anaerobically?

glycerol
glucose
amino .acids
free .fatty .acids .- .CORRECT .ANSWER-glucose

Which .of .the .following .reactions .is .the .primary .cause .of .metabolic .acidosis
.(decrease .in .intramuscular .pH .during .high-intensity, .fatiguing .exercise)?


ATP .= .ADP .+ .Pi .+ .H+
pyruvate .+ .NADH .= .lactate .+ .NAD+
ADP .+ .creatine .phosphate .= .ATP .+ .creatine
fructose-6-phosphate .= .fructose-1,6-biphosphate .- .CORRECT .ANSWER-ATP .=
.ADP .+ .Pi .+ .H+


Which .of .the .following .energy .systems .produces .ATP .at .the .quickest .rate?

phosphagen
aerobic .glycolysis
fat .oxidation
fast .glycolysis .- .CORRECT .ANSWER-phosphagen

Approximately .how .many .net .ATP .are .produced .via .the .oxidative .energy
.system .from .the .metabolism .of .one .molecule?


27
34
38
41 .- .CORRECT .ANSWER-38

Which .of .the .following .energy .substrates .cannot .be .depleted .during .extreme
.exercise .intensities .or .durations?


creatine .phosphate
glycogen
water
ATP .- .CORRECT .ANSWER-ATP

After .a .bout .of .resistance .training, .acute .hormonal .secretions .provide .all .of .the
.following .information .to .the .body .EXCEPT


amount .of .physiological .stress
metabolic .demands .of .exercise
type .of .physiological .stress