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L3 A&P exam prep Flashcards | StudBud
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L3 A&P exam prep
L3 A&P exam prep
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Anatomy
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1
Which type of muscle fibres contain the highest number of mitochondria?
Type 2a
Type 2b
Fast twitch
Type 1
2
What muscle inserts onto both the clavicle and scapula?
Rhomboid major
Levator scapulae
Trapezius
Sternocleidomastoid
3
Which muscle connects the ischium to the tibia?
Vastus intermedius
Semimembranosus
Gluteus maximus
Psoas major
4
How will movement potential be affected by abdominal obesity?
Greater flexibility
Improved strength
More efficient
Less efficient
5
Which hormone is produced by the pancreas?
adrenaline
insulin
calcitonin
thyroxine
6
Concentric contraction of what muscle produces abduction of the shoulder joint?
Subscapularis
Teres major
Supraspinatus
Trapezius
7
What are responsible for releasing hormones?
Paracrine glands
Endocrine glands
Lymph glands
Exocrine glands
8
What will regular cycle rides lasting several hours make type 2a fibres behave like?
Type 2b muscle fibres
Smooth muscle fibres
Type 1 muscle fibres
Cardiac muscle fibres
9
What does triceps brachii insert onto?
Ulna
Scapula
A Radius
Humerus
10
A neuron that transmits information from a receptor to a neuron in the central nervous system?
Sensory
Inhibitory
Excitatory
Motor
11
Which of the following muscles is part of the hamstrings group?
Pectineus
Biceps femoris
Sartorius
Rectus femoris
12
Sliding filament theory which molecule provides the energy to enable myosin to pull on actin?
Adenosine diphosphate
Adenosine triphosphate
Lactic acid
Creatine phosphate
13
Which of the following forms the superior aspect of the inner unit?
Erector spinae
Diaphragm
External obliques
Pelvic floor
14
What is the threshold for Stage 1 hypertension?
180/100 mmHg
120/80 mmHg
140/90 mmHg
160/90 mmHg
15
What does a motor unit consist of?
Proprioceptors and a motor neuron
Proprioceptors and a sensory neuron
Muscle fibres and a sensory neuron
Muscle fibres and a motor neuron
16
Which gland is known as the master control gland?
Lymph glands
Paracrine glands
Exocrine glands
Endocrine glands
17
What does hyperlordosis increase the risk of?
Abdominal obesity
Frozen shoulder
Low back pain
Upper back pain
18
Which energy system is fastest to engage?
Lactic acid
Creatine phosphate
Aerobic glycolysis
Aerobic fatty acid oxidation
19
What system of the body are proprioceptors part of?
Endocrine
Muscular
Skeletal
Nervous
20
Which joint action occurs in the medial-lateral axis?
Abduction
Medial rotation
Lateral flexion
Extension
21
What term is given to the relaxation of an antagonist muscle when the agonist contracts?
Autogenic inhibition
Myogenic inhibition
Isometric inhibition
Reciprocal inhibition
22
What are large motor units well suited to?
Low force generation
High force generation
Fine movement control
Skilled and intricate tasks
23
Which muscle may be lengthened by hyperkyphotic posture?
Levator scapulae
Pectoralis major
Lower trapezius
Rectus abdominis
24
Which muscle dorsiflexes the ankle?
Soleus
Hamstrings
Gastrocnemius
Tibialis anterior
25
How is information communicated across a synapse?
Chemically
Electrically
Kinetically
Mechanically
26
At what joint can horizontal flexion occur?
Shoulder
Knee
Spine
Elbow
27
Which of the following muscles retract the scapulae?
Pectoralis major
Deltoid
Subscapularis
Trapezius
28
Where does the left coronary artery supply blood to?
Left ventricle
Right ventricle
Cerebellum
Cerebral cortex
29
When should developmental stretching be performed in a workout?
Cool-down
Warm-up
Resistance
Cardiovascular
30
Which heart valves prevent back flow of blood into the atria?
Atrioventricular
Aortic
Pulmonary
Sinoatrial
31
What term describes an inadequate blood supply to part of the myocardium?
Bradycardia
Ischaemia
Arrhythmia
Infarction
32
What joint may be at increased injury risk as a result of weak vasti muscles?
Ankle
Hip
Knee
Elbow
33
What is a risk of chronic high blood pressure?
Blindness
Vertigo
Deafness
Nausea
34
What is one neuromuscular adaptation associated with exercise?
Improved balance
Slower nerve impulses
Longer reaction times
Fewer neural connections
35
What name is given to the thick protein filaments in the sliding filament theory?
Myosin
Cross bridges
Sarcomere
Actin
36
What is an effect of performing core stabilisation exercises?
Increased risk of falling
Reduced lung capacity
Reduced risk of falling
Increased risk of injury
37
How does improved neuromuscular coordination benefit exercise performance?
Increased power
Increased energy production
Increased oxygen
Increased heart rate
38
Which muscles of the pelvis help to support the internal organs?
Piriformis
Diaphragm
Obturator externus
Pelvic floor
39
What division of the nervous system is responsible for the analysis of information?
Autonomic
Somatic
Peripheral
Central
40
What is the long term effect of aerobic exercise on blood pressure for a hypertensive?
Random fluctuation
Normalise
No change
Increase