Anatomy And Physiology For Exercise And Health Moch Exam Q. Flashcards

1
Q

The structures that prevent backflow of blood between the chambers of the heart are:

  1. Atrioventricular valves
  2. Ventricoatrial valves
  3. Ventricoarterial valves
  4. Atrioarterial valves
A

Atrioventricular valves

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2
Q

The valsalva manoeuvre:

  1. Has no effect on blood pressure
  2. Decreases blood pressure
  3. Increases blood pressure
  4. Decreases diastolic pressure
A

Increases blood pressure

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3
Q

Which of the following is a cardiovascular benefit of aerobic training?

  1. Reduced arterial elasticity
  2. Improved myocardial contractility
  3. Lower cardiac output
  4. Higher lactic acid
A

Improved myocardial contractility

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4
Q

Optimal systolic blood pressure is considered to be:

  1. 90 mmHg
  2. 120 mmHg
  3. 150 mmHg
  4. 180 mmHg
A

120 mmHg

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5
Q

The myelin sheath is vital for:

  1. Sensing heat and pain
  2. Releasing acetylcholine
  3. Generating an action potential
  4. Fast transmission of impulses
A

Fast transmission of impulses

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6
Q

Calcium release in muscle tissue to stimulate actin and myosin interaction flows from the:

  1. Cytoplasm
  2. Sarcoplasmic reticulum
  3. Muscle spindle
  4. Golgi tendon organ
A

Sarcoplasmic reticulum

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7
Q

Where is the origin of rectus abdominis?

  1. Pubis
  2. Femur
  3. Lower ribs
  4. Sternum
A

Pubis

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8
Q

Which of the following muscles eccentrically controls adduction of the shoulder?

  1. Latissimus dorsi
  2. Pectoralis major
  3. Deltoids
  4. Biceps brachii
A

Deltoids

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9
Q

Through which axis must the hips rotate, as the femur is moved into internal or external rotation?

  1. Anterior posterior axis
  2. Transverse axis
  3. Longitudinal axis
  4. Medial axis
A

Longitudinal axis

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10
Q

Whilst the pectoralis major contracts concentrically, which action takes place at the shoulder?

  1. Horizontal flexion
  2. Lateral flexion
  3. Retraction
  4. Elevation
A

Horizontal flexion

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11
Q

When in a standing position which movement occurs at the shoulder joint whilst reaching toward the ceiling?

  1. Plantar flexion
  2. Flexion
  3. Protraction
  4. Retraction
A

Flexion

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12
Q

During the downward phase of a squat which movement occurs at the hip?

  1. Lateral flexion
  2. Horizontal flexion
  3. Flexion
  4. Plantar flexion
A

Flexion

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13
Q

The lumbar spine:

  1. Forms a joint with the ribs
  2. Forms a joint with the pelvis
  3. Has the largest vertebrae
  4. Allows more rotation than flexion
A

Has the largest vertebrae

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14
Q

Which of the following muscles is NOT part of the inner unit?

  1. Diaphragm
  2. Iliopsoas
  3. Pelvic floor
  4. Transversus abdominis
A

Iliopsoas

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15
Q

Insufficient core muscle function can lead to:

  1. Increased inner unit recruitment
  2. Increased intra-abdominal pressure
  3. Reduced loading of spinal ligaments
  4. Increased postural abnormalities
A

Increased postural abnormalities

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16
Q

An increased lumbar lordosis:

  1. Decreases pressure on the intervertebral discs
  2. Increases pressure on the intervertebral discs
  3. Decreases pressure on the transverse processes
  4. Increases pressure on the transverse processes
A

Increases pressure on the intervertebral discs

17
Q

A posterior disc bulge is more likely to be aggravated by:

  1. Spinal extension
  2. Shoulder extension
  3. Plantar flexion
  4. Spinal flexion
A

Spinal flexion

18
Q

The section of the nervous system solely responsible for conscious control is the:

  1. Peripheral nervous system
  2. Central nervous system
  3. Somatic nervous system
  4. Autonomic nervous system
A

Somatic nervous system

19
Q

Muscle fibres can only function as part of a:

  1. Motor group
  2. Motor neuron
  3. Motor unit
  4. Motor stimulus
A

Motor unit

20
Q

A single motor unit:

  1. Can increase the force it generates
  2. Can decrease the force it generates
  3. Cannot vary the force it generates
  4. Frequently varies the force it generates
A

Cannot vary the force it generates

21
Q

Rapidly lengthening a muscle will stimulate a neural response called:

  1. The rapid reflex
  2. The stretch reflex
  3. The inverse stretch reflex
  4. The converse stretch reflex
A

The stretch reflex

22
Q

Reciprocal inhibition occurs during muscular control to:

  1. Prevent excessive force generation
  2. Allow easier contraction of the agonist
  3. Prevent contraction of the agonist
  4. Allow greater joint stabilisation
A

Allow easier contraction of the agonist

23
Q

Which of the following lists only contains endocrine glands?

  1. Pituitary, adrenals and liver
  2. Thyroid, pancreas and heart
  3. Pancreas, pituitary and thyroid
  4. Spleen, testes and ovaries
A

Pancreas, pituitary and thyroid

24
Q

Which of the following hormones helps to maintain basal metabolic rate?

  1. Growth hormone
  2. Thyroid hormones
  3. Oestrogen
  4. Cortisol
A

Thyroid hormones

25
Q

Which of the following is NOT a by-product of the aerobic energy system?

  1. Carbon dioxide
  2. Heat
  3. Water
  4. Lactic acid
A

Lactic acid