After death, rigor mortis occurs because cells can no longer

10 Jun After death, rigor mortis occurs because cells can no longer

Question
Question 3 (1 point)

After death, rigor mortis occurs because cells can no longer make ATP.

Question 3 options:

True

False

SaveQuestion 4 (1 point)

Why are tendons and ligament tissues difficult to heal?

Question 4 options:

They contain collagen.

They are avascular.

They are good at withstanding stress.

They contain nuclei.

SaveQuestion 5 (1 point)

What is a motor unit?

Question 5 options:

A muscle fiber and its neuron.

All the muscle fibers in a muscle organ.

A single motor neuron and all the muscle fibers it innervates.

All the motor neurons in a muscle organ.

SaveQuestion 6 (1 point)

The more motor units recruited to contract, the less contractile force is generated.

Question 6 options:

True

False

SaveQuestion 7 (1 point)

What types of sensors are Golgi tendon organs and muscle spindles?

Question 7 options:

Mechanoreceptors

Chemoreceptors

Photoreceptors

Baroreceptors

SaveQuestion 8 (1 point)

Hypothesize what would happen if blood flow was restricted to the hand when this experiment is performed.

Question 8 options:

Muscle fatigue would occur more quickly.

Muscle fatigue would occur slower.

SaveQuestion 9 (1 point)

What is the scientific term for the muscles of the mouth?

Question 9 options:

Orbicularis oculi

Orbicularis oris

SaveQuestion 10 (1 point)

Are the muscles used in deep mastication located on the ventral or dorsal side of the body?

Question 10 options:

Dorsal

Ventral

SaveQuestion 11 (1 point)

The m. pectoralis major muscles belong to the deep thorax group.

Question 11 options:

True

False

SaveQuestion 12 (1 point)

Is the m. rectus abdominis or the m. obliques externus more deep within the body?

Question 12 options:

Rectus abdominis

Obliques externus

SaveQuestion 13 (1 point)

Which muscle lies directly posterior to the m. serratus posterior inferior right and left muscle groups?

Question 13 options:

Rectus abdominis

Trapezius

Latissimus dorsi

External intercostals

SaveQuestion 14 (1 point)

How many adductor muscles exist within the body? (Count both right and left.)

Question 14 options:

2

4

6

8

SaveQuestion 15 (1 point)

In which part of the body are plantar muscles located: foot, hip, leg, or thigh?

Question 15 options:

foot

hip

leg

thigh

SaveQuestion 16 (1 point)

The lateral group of muscles extends towards the fifth toe.

Question 16 options:

True

False

SaveQuestion 17 (1 point)

How many layers of abdominal muscle are there?

Question 17 options:

1

2

3

4

SaveQuestion 18 (1 point)

Why are muscle cells called “excitable”?

Question 18 options:

They contract.

They generate and transmit action potentials.

They contain protein.

They contain mitochondria.

SaveQuestion 19 (1 point)

In order to coordinate movement in more than one direction, both flexors and extensors are required.

Question 19 options:

True

False

SaveQuestion 20 (1 point)

Training and age do not affect the amount of protein in muscle cells or the number of cells.

Question 20 options:

True

False