Exam 2 Flashcards

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1
Q

What coordinates the rhythmic contractions in the heart?

A

Sinoatrial node

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2
Q

What is the average amount of dead space in a horse’s lungs during rest?

A

60-70%

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3
Q

If breathing is exceeding the metabolic needs and the CO2 in the blood decreases this is known as:

A

hyperventilation

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4
Q

What are two major components of blood?

A

Lipids and plasma

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5
Q

The most common tumor in horses is known as a _____

A

sarcoid

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6
Q

Endurance horses may lose up to _____ liters per hour of water during a race

A

10-15

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7
Q

One complete cycle of cardiac relaxation and contraction is:

A

cardiac cycle

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8
Q

This type of respiratory drug will help relax smooth muscle cells and increase the diameter of the airway

A

Bronchodilators

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9
Q

When a horse has a non-life threatening nose bleed very seldom, this is known as?

A

Epistaxis

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10
Q

A horse that has something generically wrong with their skin is known to have a type of _____

A

dermatitis

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11
Q

What medical condition can benefit from soaking a horses hay before feeding?

A

Insulin resistance, COPD, Heaves, HYPP, Obesity

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12
Q

What is the surgery called when a horses has roarers? This can assist the horse to return to normal athletic standards.

A

Tieback surgery

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13
Q

True or False? Blood distribution changes during exercise to meet increased demand of exercising muscles

A

True

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14
Q

True or False? Perfusion is how the gas is removed from the lungs by the blood

A

True

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15
Q

True or False? The esophagus divides into two bronchi

A

False; the trachea divides into two bronchi

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16
Q

True or False? The 1st layer of skin is known as the dermis

A

False

17
Q

True or False? Cardiac disease is the third most common cause of poor performance according to the cardio article

A

True

18
Q

True or False? Dust and mold are everywhere so it is imperative to pay close attention to respiratory health

A

True

19
Q

True or False? Sweat glands produce sebum on the horses hair follicles

A

False

20
Q

True or False? Pneumonia can cause irreversible damage to the lungs

A

True

21
Q

True or False? Riding instructors are more prone to chronic bronchitis from teaching in an indoor arena that those who do not

A

True

22
Q

What is included in the upper and lower respiratory tract?

A

Upper: nasal passages, trachea, nose, anything in the respiratory system above the thorax
Lower: within the thorax, lungs bronchi, alveoli etc.

23
Q

Explain the difference between diastole and systole

A

Systole is contraction of the heart muscle and makes a “lub” sound while diastole is relaxation of the heart muscle and makes a “dub” sound

24
Q

What would Mary Kay be proud of?

A

body clipping, blanketing, hoof polishes, what is not completely necessary but useful

25
Q

The cardiac cycle has two distinct sounds. Please name each sound and label if it is the first or second sound. Also label what sound is during relaxation and contraction of the cardiac cycle

A

Lub: first sound, contraction (systole)
Dub: second sound, relaxation (diastole)

26
Q

The primary function of the respiratory system is to ______ the blood

A

oxygenate

27
Q

An _____ is a graph of the average electric potential generated during the cardiac cycle

A

electrocardiogram (ECG/EKG)

28
Q

______ are present everywhere on the body except the legs.

A

Sweat glands

29
Q

A ______ reaction is basically a sunburn. They are more common in light pigmented horses and the skin may peel or appear flaky

A

photosensitivity

30
Q

The ____ regulates the flow of air into the trachea and prevents inspiration of foreign objects

A

larynx

31
Q

______ is the amount of air inhaled and exhaled with each breath

A

tidal volume

32
Q

Hyperbaric _____ has a higher amount of atmospheric pressure and is used for healing purposes in humans and horses. The increase of oxygen is effective by providing more oxygen to needed tissues throughout the body carried via the bloodstream

A

oxygen therapy

33
Q

EIPH or ______ is caused from high blood pressure from heavy exercise and causes capillaries to rupture and release blood into throat and nostrils. Horses may have a nose bleed after a workout

A

Exercise induced pulmonary hemorrhage