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Review Questions and Answers for Veterinary Technicians > Anatomy and Physiology > Flashcards

Anatomy and Physiology Flashcards

1
Q

Where are striated muscles located?
a.Stomach wall and uterus
b.Urinary bladder and intestine
c.Ciliary body of the eye
d.Heart and skeletal muscles

A

D

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2
Q

Systemic circulation is under:
a.High pressure
b.Low pressure
c.Partial pressure
d.Equilibrium

A

A

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3
Q

A pregnant mare has what kind of placentation?
a.Zonary
b.Cotyledonary
c.Diffuse
d.Discoid

A

C

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4
Q

The pressure in the systemic arteries during ventricular contraction is:
a.Diastolic blood pressure
b.Osmotic pressure
c.Systolic blood pressure
d.Low pressure

A

C

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5
Q

Which hormone contracts the female reproductive tract to help move spermatozoa into the oviducts?
a.Estrogen
b.Progesterone
c.Prolactin
d.Oxytocin

A

D

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6
Q

Cardiac muscle is considered a:
a.Nonstriated involuntary muscle
b.Striated involuntary muscle
c.Nonstriated voluntary muscle
d.Striated voluntary muscle

A

B

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7
Q

In what order does the impulse for depolarization travel through the heart?
a.AV node, SA node, bundle of His, Purkinje fibers
b.SA node, AV node, bundle of His, Purkinje fibers
c.SA node, AV node, Purkinje fibers, bundle of His
d.AV node, SA node, Purkinje fibers, bundle of His

A

B

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8
Q

A pregnant queen has what kind of placentation?
a.Zonary
b.Cotyledonary
c.Diffuse
d.Discoid

A

A

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9
Q

The control of color changes in the pigment cells of reptiles, fish, and amphibians is associated with which hormone?
a.FSH
b.LH
c.MSH
d.TSH

A

C (Melanocyte stimulating hormone)

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10
Q

The wave on an electrocardiogram that is associated with the atrial wall depolarization is the:
a.PR interval
b.T wave
c.QRS complex
d.P wave

A

D

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11
Q

The SA node is located in the wall of which chamber?
a.Left atrium
b.Left ventricle
c.Right atrium
d.Right ventricle

A

c

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12
Q

The muscular sphincter located between the stomach and the duodenum is the:
a.Pylorus
b.Cardia
c.Chyme
d.Rugae

A

a

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13
Q

The type of cell responsible for the transmission of impulses through the nervous system is the:
a.Neuroglia
b.Schwann
c.Neuron
d.Oligodendrocyte

A

c

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14
Q

Dogs demonstrate what type of estrous cycle?
a.Polyestrous
b.Seasonally polyestrous
c.Diestrous
d.Monoestrous

A

a

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15
Q

Which system is anatomically composed of the brain and spinal cord?
a.Central nervous system
b.Peripheral nervous system
c.Parasympathetic nervous system
d.Sympathetic nervous system

A

a

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16
Q

Functions that an animal does not have to control consciously, such as peristalsis in the intestine, are influenced by the:
a.Somatic nervous system
b.Central nervous system
c.Peripheral nervous system
d.Autonomic nervous system

A

b

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17
Q

The cranial nerves and the spinal nerves are anatomically part of what system?
a.Central nervous system
b.Peripheral nervous system
c.Parasympathetic nervous system
d.Sympathetic nervous system

A

b

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18
Q

Sensory nerves are considered:
a.Efferent motor nerves
b.Motor nerves
c.Efferent nerves
d.Afferent nerves

A

d

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19
Q

When a stimulus is strong enough to cause complete depolarization, it has reached:
a.Threshold
b.Repolarization
c.Refractory period
d.Action potential

A

d

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20
Q

What happens within the neuron that allows local anesthetics to be effective?
a.Potassium gates open
b.The charge within the cell becomes positive
c.The charge within the cell becomes negative
d.Sodium channels become blocked

A

d

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21
Q

Smooth muscles can be found in the:
a.Heart
b.Stomach
c.Pelvic limb
d.Diaphragm

A

b

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22
Q

Which muscle cells have single nuclei?
a.Skeletal and cardiac
b.Skeletal and smooth
c.Smooth and cardiac
d.Skeletal only

A

b

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23
Q

Cattle and swine display what type of estrous cycle?
a.Polyestrous
b.Seasonally polyestrous
c.Diestrous
d.Monoestrous

A

b

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24
Q

Which species is an induced ovulator?
a.Bovine
b.Equine
c.Canine
d.Feline

A

c

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25
Q

In which stage of the estrous cycle does the corpus luteum develop?
a.Proestrus
b.Estrus
c.Metestrus
d.Diestrous

A

b

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26
Q

Which reaction is the result of sympathetic nervous system stimulation?
a.Decreased heart rate
b.Dilated pupils
c.Increased GI activity
d.Increased salivation

A

b

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27
Q

The hormone produced by a developing ovarian follicle is:
a.Estrogen
b.Progesterone
c.Prolactin
d.Oxytocin

A

a

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28
Q

To achieve a normal pregnancy, the blastocyst attaches to what structure?
a.Endometrium
b.Placenta
c.Oviduct
d.Cervix

A

a

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29
Q

Giving birth is known as:
a.Parturition
b.Gestation
c.Lactation
d.Estrous

A

a

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30
Q

From the estrous cycle to parturition, in which order are the following hormones released?
a.Estrogen, oxytocin, progesterone
b.Oxytocin, estrogen, progesterone
c.Estrogen, progesterone, oxytocin
d.Progesterone, estrogen, oxytocin

A

c

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31
Q

All of the following are types of chorion attachments except:
a.Diffuse
b.Cotyledonary
c.Zonary
d.Polycyton

A

d

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32
Q

A pregnant bitch has what kind of placentation?
a.Zonary
b.Cotyledonary
c.Diffuse
d.Discoid

A

a

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33
Q

The canine uterus is shaped like the letter:
a.U
b.Y
c.J
d.V

A

a

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34
Q

How many mammary glands are typically found on a bitch?
a.8–12
b.12–14
c.4–6
d.10–16

A

a

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35
Q

Which reaction is the result of parasympathetic nervous system stimulation?
a.Bronchodilation
b.Pupil dilation
c.Decreased GI motility
d.Decreased heart rate

A

c

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36
Q

The neurotransmitter that is most responsible for the “flight or fight” reaction is:
a.Epinephrine
b.Acetylcholine
c.Dopamine
d.Serotonin

A

b

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37
Q

In the healthy heart, the heartbeat is initiated by the:
a.SA node
b.Purkinje fibers
c.Vagus nerve
d.AV node

A

a

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38
Q

On an electrocardiogram, the T wave is most closely associated with:
a.Atrial depolarization
b.Atrial repolarization
c.Ventricular depolarization
d.Ventricular repolarization

A

d

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39
Q

On inspiration, the pressure in the thoracic cavity, compared with ambient air pressure, is:
a.Negative
b.Positive
c.Same as the ambient air pressure
d.Fluctuating

A

c

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40
Q

In the healthy awake cat, the primary stimulus within blood for respiration is:
a.Increased CO2
b.Decreased O2
c.Increased lactic acid
d.Increased K+

A

a

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119
Q

What is the actual true stomach called in ruminants?
a.Abomasum
b.Reticulum
c.Rumen
d.Omasum

A

a

120
Q

What is the most common site of feed impactions in a horse?
a.Sternal flexure
b.Diaphragmatic flexure
c.Stomach
d.Pelvic flexure

A

b

121
Q

Food is moved along the digestive tract by the process known as:
a.Mastication
b.Prehension
c.Peristalsis
d.Elimination

A

c

122
Q

The most distal portion of the monogastric stomach is the:
a.Fundus
b.Antrum
c.Cardia
d.Pylorus

A

d

123
Q

Which one of the following are not found in the fundus and body of the stomach:
a.Parietal cells
b.Chief cells
c.G cells
d.Mucous cells

A

c

124
Q

Which of the following is not a hormone produced or released by the pituitary gland?
a.Luteinizing hormone
b.Oxytocin
c.Growth hormone
d.Calcitonin

A

d

125
Q

Which of the following is a ductless system?
a.Exocrine system
b.Endocrine system
c.Lymphatic system
d.All of the above systems contain ducts

A

d

126
Q

The hormone responsible for maintaining pregnancy is:
a.Oxytocin
b.Luteinizing hormone
c.Estrogen
d.Progesterone

A

d

Review Questions and Answers for Veterinary Technicians (13 decks)

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