CHATGPT Unit 11-16 Flashcards

(30 cards)

1
Q

What are the main functions of the integumentary system?

A

Protection, regulation of body temperature, sensation, and vitamin D synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the layers of the skin?

A

Epidermis, dermis, and hypodermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the function of sweat glands?

A

To help regulate body temperature through evaporation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the role of melanin?

A

Protects against UV radiation by absorbing sunlight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are accessory structures of the skin?

A

Hair, nails, and glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the functions of the skeletal system?

A

Support, protection, movement, mineral storage, blood cell formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the types of bones?

A

Long, short, flat, irregular, sesamoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is bone remodeling?

A

The continuous process of bone resorption and formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What cells are involved in bone remodeling?

A

Osteoblasts (build bone), osteoclasts (break down bone)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the epiphyseal plate?

A

Growth plate where bone lengthens in children

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the three types of joints?

A

Fibrous, cartilaginous, and synovial joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the parts of a synovial joint?

A

Articular cartilage, joint cavity, synovial fluid, ligaments, capsule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the function of synovial fluid?

A

Lubricates the joint and reduces friction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Give an example of a hinge joint.

A

Elbow or knee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of movement does a ball-and-socket joint allow?

A

Flexion, extension, rotation, abduction, adduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is biomechanics?

A

The study of the mechanical laws relating to movement or structure of living organisms

17
Q

What are the three types of levers in the human body?

A

First-class, second-class, and third-class

18
Q

Which class of lever is most common in the body?

A

Third-class lever

19
Q

Give an example of a third-class lever in the body.

A

Flexion of the forearm at the elbow using the biceps

20
Q

What is torque?

A

A measure of the force that can cause an object to rotate around an axis

21
Q

What are the three types of muscle tissue?

A

Skeletal, cardiac, and smooth

22
Q

What is the origin of a muscle?

A

The fixed attachment point

23
Q

What is the insertion of a muscle?

A

The movable attachment point

24
Q

Name a major muscle involved in elbow flexion.

A

Biceps brachii

25
What is a synergist muscle?
A muscle that assists the prime mover
26
What is the sliding filament theory?
The explanation of how muscle fibers contract by actin sliding over myosin
27
What is a sarcomere?
The functional unit of a muscle fiber
28
What role does calcium play in muscle contraction?
Binds to troponin, allowing actin and myosin to interact
29
What is ATP used for in muscle contraction?
Provides energy for cross-bridge cycling and muscle relaxation
30
What causes muscle fatigue?
Accumulation of lactic acid, depletion of ATP, or ion imbalances