1. Which of the following muscle tissues have striations (there may be more than

ID: 48059 • Letter: 1

Question

1. Which of the following muscle tissues have striations (there may be more than one answer):

a. skeletal muscle

b. cardiac muscle

c. smooth muscle

2. Which of the following structures are unique to cardiac muscle tissue

a. striations

b. intercalated discs

c. muscle fibers (this is the technical term for a muscle cell) are parallel to eachother and branch out sometimes

3. Which type of cartilage has many elastic fibers and can be found in the outer ear?

a. fibrocartilage

b. elastic cartilage

c. hyaline cartilage

4. Which of the following is considered to be a type of liquid connective tissue:

a. saliva

b. gastric juices (the stomach's secretions)

c. blood

d. lymph

5. Goblet cells secrete mucus into which of the following organs

a. intestines

b. trachea (respiratory tract)

c. stomach

d. all of the above

1.Correct answers are : a. skeletal muscle and b. cardiac muscle.

Reason: Smooth muscles are non striated.

2.Correct answers are: a.striations and b. intercalated discs.

Reason: Cardiac muscles possess above characteristics.

3.Correct answer is: b.elastic cartilage

Reason: Outer ear has elastic cartilage made up of elastic fibres.

4.Correct answers is : blood

Reason: Blood is a fluid connective tissue.

5.Correct answers are : a.intestines and b.trachea (respiratory tract).

Reason: Goblet cells secrete mucus into intestine and trachea.

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