cscs exam review

8/10/2019 CSCS Exam Review

1/18

1.

which of the following substances

acts at the NMJ to excite the muscle

fibers of the motor unit?acetylcholine ATP creatine

phosphate serotonin

acetylcholine

2.

which of the following muscle fiber

types would be most benificial for a

powerlifter?

type IIb

3.

when throwing a baseball, the

athletes arm is rapidly stretched just

prior to throwing the ball. what

structure detects and responds to

that stretch by reflexively increasing

muscle activity?

muscle spindle

4.

a college volleyball player begins

resistance training for the first time.

what muscle fiber types will

hypertrophy first? fast twitch slow

twitch muscle spindle intrafusal

muscle

fast twitch


2/18

5.

a 22 yr old soccer player begins

resistance training for the first time.

his chosen exercises include those for

all major muscle groups. after 3

weeks, he notices an increase in lowerextremity strength. which of the

following best explains this athletes

improved motor control

6.

which of the following results from

adding resistance training to a

marathoners aerobic exercise

training program? max o2 uptake

increases max o2 uptake decreases

short-term endurance may improvelong-term endurance may improve

short term endurance may improve

7.

a weightlifter adds 30 min of intense

(>75% VO2max) stationary bicycle

riding every other day to her

resistance training program. which

of the following describes the effect

this addition will have on her

performance? strength gains are

compromised stre

strength gains are compromised

8. a bundle of muscle fibers is called fasiculus


3/18

9.

to which of the following structures

do the cross-bridges attach during

muscle action? actin myosin m-

bridge sarcolemma

actin

10.

which of the following substances

regulates muscle actions? potassium

calcium phosphorus selenium

calcium

11.

which of the following best describes

what occurs during a concentric

muscle action? resistance is greater

than muscle force resistance is equal

to muscle force resistance is less than

muscle force negative energy is

produced

resistance is less than muscle force

12.

which of the following will increase

force produced during a concentric

muscle action? 1. agonist

prestretching 2. more calcium

released in the myofibril 3. decreased

activity of the antagonist muscle

group 4. faster muscle action

1,2,&3 only


4/18

13. sarcopenia is defined as reduced muscle size and strength

14.

the knee joint can be described as

cartilaginous synovial axial

multiaxial

synovial

15.most human limbs operate as which

class of lever?3rd class

16.

which of the following defines

power? mass * acceleration force *

distance force * velocity torque *

time

force * velocity


5/18

17.

to compare performances of lifters of

different body weights, the classical

formula divides the lift by body

weight body weight squared lean

body weight body weight to the 2/3

power

body weight to the 2/3 power

18.

during 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 velocity 4.

movement velocity squared

1, 2, & 3

19.

a vertical jump involves knee, hip,

and shoulder movement in primarily

which plane? sagital perpendicular

frontal transverse

sagital

20.

a person is performing a concentric

isokinetic elbow flexion and

extension exercise. which of the

following types of levers occur at the

elbow during this exercise? first class

second class third class

1st and 3rd


6/18

21.

resistance exercise programs

designed to stimulate new bone

formation should emphasize all of the

following EXCEPT loading

specificity metabolic specificityprogressive overload variation in

exercise selection

metabolic specificity

22.

a 50 year old female triathlete is

concerned about osteoporosis, which

of the following exercises would be

MOST beneficial for improving her

bone mineral density? front squat leg

(knee) extension bench press latpulldown

front squat

23.

a 17 year old HS cross country

runner has been training aerobically

for 6 months in preparation for the

upcoming season. which of the

following adaptations will occur in

the muscles during that time?

1.increased concentration of

glycolytic enzymes 2. hy

4. hypertrophy of type I fibers

24.

which of the following is NOT a

primary function of cartilage? 1. aids

in the attachment of muscle to bone

2. allows smooth articulation between

bones in a joint 3. connects bones

together 4. improves shock

absorption in joints

(3) connects bones together


7/18

25.

which ofthe following occurs as a

result of a combination of heavy

resistance training and aerobic

training? a. decreased cartilage

thickness b. joint degeneration c.increased cartilage thickness d.

decreased collagen amount

c. increased cartilage thickness

26.

in general, which of the following

types of tissue has the poorest blood

supply? a. bone b. muscle c. tendon

d. cartilage

d. cartilage

27.

which of the following is the ultimate

source of energy for contraction? a.

GTP b. O2 c. NADH d. ATP

d. ATP

28.

which of the following can be

metabolized anaerobically? a.

protein b. carbohydrate c. fat d.

glycerol

b. carbohydrate


8/18

29.

the energy system used depends

primarily on the athlete's a. exercise

intensity b. exercise duration c. state

of training d. body composition

a. exercise intensity

30.

the production of lactic acid results

from the activation of a. the

phosphagen system b. slow glycolysis

c. fast glycolysis d. fat oxidation

c. fast glycolysis

31.

which of the following

pathways/systems has the highest

rate of energy production? a.

phosphagen system b. fast glycolysis

c. fat oxidation d. carbohydrate

oxidation

c. phosphagen system

32.

in the oxidative system

approximately how many ATPs are

produced from the degradation of 1

glucose molecule? a. 27 b. 36 c. 38 d.

41

c. 38


9/18

33.

which of the following

pathways/systems supports the

initiation of all exercise? a. oxidative

system b. phosphagen system c. slowglycolysis d. fast glycolysis

b. phosphagen system

34.

which of the following enzymes

catalyzes the rate limiting step of

glycolysis? a. PFK b. isocitrate

dehydrogenase c. phosphorylase d.

lactate dehydrogenase

a. PFK

35.

following a bout of resistance

exercise training, acute hormonal

secretions provide all the following

information to the body EXCEPT the

a. amount of physiological stress b.

metabolic demands of exercise c. type

of physiological stress d. energy expe

a. amount of physiological stress

36.

which of the following hormones

enhance muscle tissue growth I.

growth hormone II. cortisol III. IGF

IV. progesterone

I and III only


10/18

37.

growth hormone provides all of the

following physiological roles

EXCEPT a. increased lipolysis b.

decreased collagen synthesis c.

increased amino acid transport d.

decreased glucose utilization

b. decreased collagen synthesis

38.

which of the following hormones has

the greatest influence on neural

changes? a. growth hormone b.

testosterone c. cortisol d. IGF

b. testosterone

39.

which of the following hormone

levels is higher in women than in men

at rest? a. cortisol b. insulin c.

testosterone d. growth hormone

d. growth hormone

40.

through which of the following valves

does blood flow after contraction of

the left ventricle? a. aortic b. mitral

(bicuspid) c. pulmonary d. tricuspid

a. aortic


11/18

41.

from which of the following is the

hearts electrical impulse normally

initiated? a. av node b. sa node c. the

brain d. sympathetic nervous system

b. sa node

42.

which of the following occurs during

the QRS complex of a typical ECG?

I. depolarization of the atrium II.

repolarization of the atrium III.

repolarization of the ventricle IV.

depolarization of the ventricle

II and IV only

43.

in what portion of the lungs does gas

exchange occur? a. bronchus b.

trachea c. alveoli d. pleura

c. alveoli

44.

the amount of blood ejected from the

left ventricle during each beat is the

a. cardiac output b. a-vo2 difference

c. heart rate d. stroke volume

d. stroke volume


12/18

45.

all of the following normally increase

during aerobic exercise EXCEPT: a.

end diastolic volume b. cardiac

contractility c. cardiac output d.diastolic blood pressure

d. diastolic blood pressure

46.

which of the following best describes

the change in stroke volume during

heavy resistance exercise? a.

increases b. decreases by 50% c.

stays the same d. increases, then

plateuas

c. stays the same

47.

the mean arterial pressure is defines

as: a. average blood pressure

throughout the cardiac cycle b.

average of systolic and diastolic

blood pressures c. average systolic

blood pressure during exercise d.

average of blood pressure and heart

rate

a. average blood pressure throughout

the cardiac cycle

48.

high intensity, low repetition

resistance training results in which of

the following adaptations? a.

increased capillary density b.

decreased tidal volume c. improved

o2 extraction d. no change in

maximal o2 uptake

a. increased capillary density


13/18

49.

which of the following is an early

adjustment to acclimatizing to high

altitude? a. decreased tidal volume b.

decreased respiration rate c.

increased resting cardiac output d.

increased stroke volume

c. increased resting cardiac output

50.

after which of the following maximal

exercise scenarios would the lactic

acid concentrations be the highest in

the muscles? a. duration 15s b.

duration 30s c. duration 2 min d.

intermittent of 20s each

c. duration of 2 min

51.

chronic training involving the fast

glycolysis energy system results in

improved buffering of which of the

following substances? a. blood

protein b. hydrogen ions c. blood

lactate d. glycogen

b. hydrogen ions

52.

primary training adaptations of elite

aerobically trained athletes include

which of the following? I. increased

maximal oxygen uptake II. decreased

blood lactate concentration III.

increased running economy IV.

decreased capillary density

c. I, II, III


14/18

53.

which of the following is least likely

to change with overtraining in a

college wrestler? a. maximal

anaerobic sprint performance b.

increased muscle strength at variousmovement velocities c. resting heart

rate d. mood state

c. resting heart rate

54.

a sprinter just completed a semi-final

800m sprint. which of the following

should he do to facilitate removal of

lactic acid from the blood in

preparation for the finals? a.

perform stretching exercises b. sit in

a shady area c. perform moderateintens

c. perform moderate intensity

jogging

55.

long term recovery from exercise is

best achieved with: a. proper

nutritional intake b. cold water

immersion c. a proper cool down d.

massage of the agonist muscles

a. proper nutritional intake

56.

following detraining, endurance

athletes first notice a decline in

maximal a. strength b. power c.

oxygen consumption d. heart size

c. oxygen consumption


15/18

57.

when males and females are

compared relative to muscle cross-

sectional area, it appears that the

potential for force production is: a.

greater in males b. greater in femalesc. equal in males and females d.

dependent upon body weight

c. equal in males and females

58.

which of the following is the most

significant adaptation to chronic

resistance training in older adults? a.

increased cardiovascular fitness b.

improved blood lipid profile c.

increased muscle mass d. improvedflexibility

c. increased muscle mass

59.

an 8 yr old boy has observed

dramatic increases in his upper-body

strength following 6 months of

resistance training. which of the

following is most likely to be

responsible for this gain? a.

increased number of muscle fibers b.

increased size of muscle

d. improved neuromuscular

functioning

60.

growth cartilage in children is

located in all of the following

locations EXCEPT: a. the diaphysis

b. the epiphyseal plate c. the joint

surface d. apophyseal insertion

a. the diaphysis


16/18

61.

all of the following are likely benifits

of preadolescent resistance training

EXCEPT increased: a. resistance to

injury b. 1RM strength c. musclehypertrophy d. bone density

c. muscle hypertrophy

62.

the condition characterized by a bone

mineral density more than 2.5 SD

below the young adult mean is called:

a. sarcopenia b. osteopenia c.

osteoporosis d. scoliosis

c. osteoporosis

63.

which of the following should be

evaluated first when designing a

training program for a 68 yr old

competitive female tennis player? a.

cardiovascular fitness b. lower body

strength c. balance and agility d.

medical history

d. medical history

64.

deconditioned college female athletes

who participate in sports such as

basketball and soccer appear to be at

increased risk for developing injuries

to the: a. back b. knee c. growth plate

d. head

b. knee


17/18

65.

during the closing seconds of a

basketball game, an athletes team is

down by one point and he has been

awarded two free throw shots. the

player is apprehensive about the

outcome ofthe game. which of the

following best describes the athletes

situation? a.

b. he is experiencing state anxiety

66.

an olympic weightlifter attempting a

personal record is able to ignore the

audience to concentrate solely on her

performance. which of the following

abilities is this athlete most likely

using to perform the lift? a. selectiveattention b. somatic anxie

a. selective attention

67.

prior to performing the long jump,

an athlete reviews and concentrates

on the technique required to jump as

far as possible. which of the following

strategies is the athlete using to

prepare for the jump? a. focusing on

task relevant cues b. reliance on

a. focusing on task relevant cues

68.

which of the following is most

important to achieving the ideal

performance state? a. fear of failure

b. analyzing performance c. broad

focus on the activity and the

environment d. personal control

d. personal control


18/18

69.

an athletes desire to perform to

his/her potential is an example of: a.

motive to avoid failure b. dissociation

c. intrinsic motivation d. achievementmotivation

c. intrinsic motivation

70.

for the high school football team, if

any player squats two times his

bodyweight, his name is placed on

the wall. this is an example of: a.

negative reinforcement b. positive

reinforcement c. negativepunishment d. positive punishment

b. positive reinforcement

71.

how does an athlete's amount, or

latitude, of optimal arousal change

with limited skill and ability of the

activity? a. it increases b. it decreases

c. it has no effect d. performance

improves with greater arousal

a. it decreases

cscs exam review

Documents