Muscle And Nervous Tissues

Question 1

Cardiac (striated involuntary) STRUCTURE:

Answer 1

Branching, interconnected cylinders with faint striations

Question 2

Smooth (non- striated involuntary or visceral) STRUCTURE:

Answer 2

Threadlike cells with single nuclei and no striations

Question 3

Nervous STRUCTURE:

Answer 3

Nerve cells with large cell bodies and think fiberlike extensions; supportive glial cells also present

Question 4

Skeletal (striated voluntary) LOCATION:

Answer 4

Muscles that attach to bones
Eyeball muscles
Upper third of esophagus

Question 5

Cardio (striated involuntary) LOCATION:

Answer 5

Wall of heart

Question 6

Smooth (non striated involuntary or visceral) LOCATION:

Answer 6

Walls of tubular viscera of digestive, respiratory, and genitourinary tracts

Walls of blood vessels and large lymphatic vessels

Ducts of glands

Intrinsic eye muscles (iris and ciliary body)

Arrector muscle of hairs

Question 7

Nervous LOCATION:

Answer 7

Brain, spinal chord, nerves

Question 8

Skeletal (strained voluntary) STRUCTURE:

Answer 8

Long, threadlike cells with multiple nuclei and striations

Question 9

Skeletal (striated voluntary) FUNCTION:

Answer 9

Maintenance of posture, movement of bones produces body heat

Eye movements

First part swallowing

Question 10

Cardiac (striated involuntary) FUNCTION:

Answer 10

Contraction of heart

Question 11

Smooth (non-striated involuntary or visceral) FUNCTION:

Answer 11

Movement of substances along respective tracts

Changing of diameter of vessels

Movement of substances along ducts

Changing of diameter of pupils and shape of lens

Erection of hairs (goose bumps)

Question 12

Nervous FUNCTION:

Answer 12

Irritability, conduction