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anaphy > Muscular System and Lymphatic & Immune System > Flashcards

Muscular System and Lymphatic & Immune System Flashcards

1
Q

The origin is the part of the muscle that is

A

Stationary

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2
Q

The insertion is the part that is

A

Movable

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3
Q

Which is antagonistic to biceps brachii?

A

Triceps Brachii

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4
Q

Which muscles consists of intercalated discs

A

Cardiac

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5
Q

In what way are cardiac muscles and skeletal similar

A

both have striations

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6
Q

Which is true about the structure of smooth muscle

  • overlapping pattern of actin
    and myosin similar to
    skeletal muscle
  • consist of an irregular arrangement of actin and myosin
  • do not consist of actin or myosin
A

consists of an irregular arrangement of actin and myosin

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7
Q

Function of smooth muscles

  • contract relatively fast and in a controlled manner
  • contract relatively slowly in a controlled manner
  • contract relatively slowly and in an uncontrolled manner
  • contract with autorhythmicity
A

contract relatively slowly in a controlled manner

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8
Q

Myofibrils are composed of individual

A

myofilaments

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9
Q

Muscles are held in place and covered by

A

fascia

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10
Q

The functional unit of a muscle is

A

sarcomere

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11
Q

Thin filaments within a muscle fiber are called

A

Actin

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12
Q

This substance will cross the NMJ to communicate w/ individual muscle fibers

A

Acetylcholine

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13
Q

The energy source for muscle contractions is

A

ATP

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14
Q

The A band in a myofibril is an area of

A

thick filaments

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15
Q

A sarcomere is defined as the section of fiber between

A

Z lines

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16
Q

Tendons connect

A

bones to muscles

17
Q

CT that surrounds individual fibers

A

Endomysium

18
Q

There are over (__) muscles in the body

A

600

19
Q

The (___) is your buttocks

A

gluteus maximus

20
Q

Muscles (___) when they contract

A

shorten

21
Q

Monocytes move from systemic circulatory system into general CT, where they differentiate into what phagocytic cell type?

A

macrophages

22
Q

Which of the ff cell types of the innate immune system does not perform phagocytosis?

  • Macrophage
  • Basophil
  • Eosinophil
  • Neutrophil
A

Basophil

23
Q

Myelogenous leukemias are caused by the cancerous production of innate (non-specific) immune system cells: in which tissue is such production most likely to occur?

  • Bone marrow
  • Lymph node
  • Thymus
  • Spleen
A

Bone marrow

24
Q

Humoral immunity is a type of adaptive immunity that results in the circulation of which of the ff throughout the blood?

  • Antigen
  • Antibodies
  • Natural Killer Cells
  • Macrophage
A

Antibodies

25
Q

Which portion of an antibody provides antigen-binding sites?

A

Variable Portion

26
Q

Which of the ff is not one of the three main main antigen-presenting cell (APCs)?

  • Dendritic cells
  • Natural Killer Cells
  • B lymphocytes
  • Macrophages
A

Natural Killer (NK) cells

27
Q

Major histocompatibility complex (MHC) refers to a large group of genes that code for proteins that play an essential role in which of the FF?

  • Phagocytosis by Macrophages
  • Phagocytosis by Neutrophils
  • Antigen presentation to B-lymphocytes
  • Antigen presentation to T-lymphocytes
A

Antigen presentation to T-lymphocytes

28
Q

In the developing fetus, prenatal hematopoiesis is not generally known to occur in which of the ff body parts?

  • Appendix
  • Lymph nodes
  • Liver
  • Spleen
A

Appendix

29
Q

Recognition of self vs. non-self by the adaptive immune system in humans is accomplished in which of the following ways?

  • Exposure of T-cells to body’s own antigen in the bursa of Fabricus
  • Exposure of B-cells to body’s own antigen in the bursa of Fabricus
  • Exposure of T-cells to body’s own antigen in the Thymus
  • Exposure of B-cells to body’s own antigen in the Thymus
A

Exposure of T-cells to body’s own antigen in the Thymus

30
Q

Central tolerance refers to which of the following processes?

  • Destruction of lymphocytes that are specific for self-antigens
  • Destruction of lymphocytes that are NOT specific for self-antigens
  • Destruction of self-antigens that are specific for lymphocytes
  • Production of self-antigens that are specific for lymphocytes
A

Destruction of lymphocytes that are specific for self-antigens

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