Smooth Muscle Flashcards

1
Q

Two (2) Types of Human Muscle System

A
  1. Voluntary Muscle
  2. Involuntary Muscle
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2
Q

Striated Muscle (or Skeletal Muscle)

A

Voluntary Muscle

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3
Q

Smooth Muscle and Cardiac Muscle

A

Involuntary Muscle

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4
Q

It is the cell membrane of the muscle fiber.

A

Sarcolemma

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5
Q

Two (2) Types of Smooth Muscles

A
  1. Single-Unit (Visceral)
  2. Multi-Unit
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6
Q

Found in hollow organs and small blood vessels. Autorhythmic. Gap junctions cause fibers to contract in UNISON.

A

Single-Unit (Visceral)

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7
Q

Individual fibers with own motor neuron ending. Found in large arteries, large airways and arrector pili. The cells can act and function independently of the others.

A

Multi-Unit

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8
Q

Most organs that receive autonomic neurons are innervated by both the parasympathetic and the sympathetic division, the phenomenon known as __________.

A

Dual Innervation

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9
Q

Two (2) Types of Nervous System

A
  1. Peripheral Nervous System
  2. Central Nervous System
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10
Q

Three (3) Types of Peripheral Nervous System

A
  1. Autonomic Nervous System
  2. Somatic Nervous System
  3. Visceral Nervous System
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11
Q

Three (3) Types of Autonomic Nervous System

A
  1. Sympathetic Nervous System
  2. Parasympathetic Nervous System
  3. Enteric Nervous System
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12
Q

Two (2) Divisions of the Autonomic Nervous System

A
  1. Sympathetic Nervous System
  2. Parasympathetic Nervous System
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13
Q

AKA: Adrenergic “Fight and Flight”

A

Sympathetic

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14
Q

AKA: Cholinergic “Rest and Digest”

A

Parasympathetic

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15
Q

It has the property of adjusting in response to stressful situations such as trauma, fear, hypoglycemia, cold or exercise.

A

Sympathetic

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16
Q

Neurotransmitter of Sympathetic

A

• Acetylcholine (Pre Ganglia)
• Catecholamine (Post Ganglia)

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17
Q

Receptors of Sympathetic

A

• Ganglionic: Nicotinic (Nn)
• Post Ganglionic: A, B, and D

18
Q

It maintains essential bodily functions (digestive processes and elimination of wastes) and is required for life.

A

Parasympathetic

19
Q

Neurotransmitter of Parasympathetic

A

Acetylcholine (Both Pre and Post Ganglia)

20
Q

Receptors of Parasympathetic

A

• Ganglionic: Nn
• Post Ganglionic: Nn and Muscarinic

21
Q

Three (3) Types of Catecholamines

A
  1. Norepinephrine (A1 and B1)
  2. Epinephrine (A1, B1, and B2)
  3. Methyl Norepinephrine (A2)
22
Q

Activation: Contraction → Vasoconstriction

A

Vascular Smooth Muscle

23
Q

Negative Feedback Effect, Dec. Catecholamine Release

A

Pre Ganglia

24
Q

Activation: Contraction of Smooth Muscle → Vasoconstriction

A

Post Ganglia

25
Q

B1 - Heart Muscle Contraction, B2 - Bronchodilation

A

Cardiac Muscle

26
Q

Type 1 Receptor: Ionotropic Receptor

A

Nicotinic Receptor

27
Q

Stimulation Results to Opening of Na Ion Channel

A

Nicotinic Receptor

28
Q

Type 2 Receptor: G-Protein Linked Receptor

A

Muscarinic Receptor

29
Q

Mi – Gq
M2 – Gi
M3 – Gq

A

• Stomach for Acid Secretion
• Cardiac Muscle
• Smooth Muscle

30
Q

Scientific Name of Albino Rabbit

A

Oryctolagus cuniculus

31
Q

(T/F): Rabbits that have red eyes and white fur as the result of genetic mutation (albinism).

A

T

32
Q

It is the enzyme responsible for pigmentation.

A

Tyrosinase

33
Q

(T/F): The eyes of albino rabbits are color red because of the presence of melanin.

A

F / Presence / ABSENCE

34
Q

If the rabbit doesn’t have white fur but red eyes, it can be the sign of __________.

A

Hyperemia

35
Q

(T/F): Rabbits are frequently used to test the toxicity and safety of substances such as drugs, chemicals, and medical devices.

A

T

36
Q

Evaluates the differences in three tissues of the eye (cornea, conjunctiva, and iris). An acute ocular toxicity test that was devised in 1944 by two toxicologists at the US Food and Drug Administration (FDA), John H. Draize and Jacob M. Spines. Used in testing eye care products and drugs designed specifically for topical ophthalmic use prior to marketing.

A

Draize Test

37
Q

Designed to assess local responses to material extracts following intracutaneous injection into rabbits.

A

Intracutaneous Test

38
Q

The albino rabbit, albino guinea pig, and white mouse have all been widely used for detecting the irritant properties of chemicals. The objective of the test is to detect both topical and systemic effects. Verifies the presence of dermal reactions to the test substance on the skin of the test animals by making small scar on the test animals’ skin and smearing the test substance onto this site.

A

Primary Irritation Test

39
Q

Rabbit Fever

A

Tularemia

40
Q

Causative Agent of Tularemia

A

Francisella tularensis