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Unit 1-4 Quiz. AVCN2

Total questions: 57

Worksheet time: 5mins

Name
Class
Date
1.

What is the main function of red blood cells?

a)

Fight infection

b)

Transport oxygen.

c)

Produce antibodies

d)

Regulate blood pressure

2.

Which component of blood helps in clotting?

a)

White blood cells

b)

Red blood cells

c)

Platelets.

d)

Plasma

3.

What pigment gives red blood cells their color?

a)

Melanin

b)

Hemoglobin.

c)

Chlorophyll

d)

Myoglobin

4.

Which of the following is NOT a type of white blood cell?

a)

Neutrophils

b)

Lymphocytes

c)

Platelets.

d)

Monocytes

5.

Which blood type is known as the universal donor?

a)

AB+

b)

O+

c)

A−

d)

O−.

6.

Which part of the blood fights infection?

a)

Platelets

b)

Plasma

c)

Red blood cells

d)

White blood cells.

7.

Which of the following diseases is directly related to a low red blood cell count?

a)

Leukemia

b)

Anemia.

c)

Hemophilia

d)

Thrombosis

8.

How many bones are there in the adult human skeleton?

a)

198

b)

206.

c)

212

d)

218

9.

Which is the longest bone in the human body?

a)

Tibia

b)

Femur.

c)

Humerus

d)

Radius

10.

Which mineral is most abundant in bone tissue?

a)

Iron

b)

Potassium

c)

Calcium.

d)

Sodium

11.

What is the function of bone marrow?

a)

Lubricate joints

b)

Produce red blood cells.

c)

Store fat only

d)

Maintain body temperature

12.

Which type of bone cell is responsible for breaking down bone?

a)

Osteoblast.

b)

Osteocyte

c)

Chondrocyte

d)

Osteoclast

13.

A fracture that breaks the skin is called a:

a)

Greenstick fracture

b)

Simple fracture

c)

Open (compound) fracture.

d)

Comminuted fracture

14.

Which part of the skeleton protects the brain?

a)

Spine

b)

Rib cage

c)

Pelvis

d)

Skull.

15.

What is a greenstick fracture?

a)

Bone shattered into pieces

b)

Complete break of the bone

c)

A bone that bends and cracks, often in children.

d)

Fracture through the joint

16.

Which bone is commonly known as the collarbone?

a)

Scapula

b)

Clavicle.

c)

Sternum

d)

Humerus

17.

What connects bones to muscles?

a)

Ligaments

b)

Cartilage

c)

Tendons.

d)

Nerves

18.

A fracture caused by repeated stress, common in athletes, is called a:

a)

Spiral fracture

b)

Stress fracture.

c)

Pathological fracture

d)

Impacted fracture

19.

What is the soft connective tissue found at the ends of bones in joints?

a)

Ligament

b)

Cartilage.

c)

Tendon

d)

Meniscus

20.

Which diagnostic tool is most commonly used to detect bone fractures?

a)

CT scan

b)

MRI

c)

Ultrasound

d)

X-ray.

21.

The medical term for a broken bone is:

a)

Strain

b)

Sprain

c)

Fracture.

d)

Lesion

22.

Which of the following is a function of the skeletal system?

a)

Producing hormones

b)

Digesting nutrients

c)

Producing blood cells.

d)

Regulating body temperature

23.

A fracture where one side of the bone is compressed is called a:

a)

Compression fracture.

b)

Spiral fracture

c)

Avulsion fracture

d)

Impacted fracture

24.

What is a comminuted fracture?

a)

A fracture with bone bent

b)

Bone splits along the growth plate

c)

Bone is broken into several pieces.

d)

Bone is twisted apart

25.

What is the name of the bone group forming the spine?

a)

Clavicles

b)

Vertebrae.

c)

Mandibles

d)

Phalanges

26.

How many main layers does the skin have?

a)

2

b)

3.

c)

4

d)

5

27.

Which layer of the skin is responsible for producing new skin cells?

a)

Epidermis.

b)

Dermis

c)

Hypodermis

d)

Stratum corneum

28.

Which pigment gives skin its color?

a)

Hemoglobin

b)

Collagen

c)

Melanin.

d)

Keratin

29.

What is the function of sweat glands?

a)

Produce oil

b)

Detect touch

c)

Regulate body temperature.

d)

Create melanin

30.

Which layer of the skin contains blood vessels?

a)

Epidermis

b)

Dermis.

c)

Stratum lucidum

31.

the function of sweat glands?

a)

Produce oil

b)

Detect touch

c)

Regulate body temperature.

d)

Create melanin

32.

Which layer of the skin contains blood vessels?

a)

Epidermis

b)

Dermis.

c)

Stratum lucidum

d)

Stratum corneum

33.

Which layer lies beneath the epidermis?

a)

Dermis.

b)

Hypodermis

c)

Subcutaneous fat

d)

Cartilage

34.

What does the hypodermis store?

a)

Water

b)

Calcium

c)

Subcutaneous fat.

d)

Blood

35.

What is a contusion?

a)

A scrape

b)

A red bump

c)

A discolored area caused by trauma.

d)

A pimple

36.

What causes the discoloration in a contusion?

a)

Infection

b)

Blood escaping from damaged capillaries.

c)

Bacteria

d)

Lack of oxygen

37.

What is an abrasion?

a)

A type of acne

b)

A pimple

c)

Damage to the epidermis.

d)

An infected pore

38.

Do most abrasions bleed?

a)

Always

b)

Never

c)

Rarely, because they do not cut into the dermis.

d)

Only on the face

39.

Which condition is caused by internal factors?

a)

Abrasion

b)

Contusion

c)

Acne.

d)

Burn

40.

What causes acne?

a)

Damaged blood vessels

b)

Skin trauma

c)

Oils that trap skin cells in pores.

d)

Broken bones

41.

What grows inside clogged pores and causes acne?

a)

Fungus

b)

Hair

c)

Bacteria.

d)

Oil

42.

Which layer of the skin is the deepest?

a)

Epidermis

b)

Dermis

c)

Hypodermis.

d)

Subdermis

43.

Which of the following is NOT mentioned as a common skin condition?

a)

Contusion

b)

Acne

c)

Abrasion

d)

Burn.

44.

What type of cause is associated with contusions and abrasions?

a)

External.

b)

Internal

c)

Chemical

d)

Genetic

45.

What term describes fat stored under the skin?

a)

Epidermal fat

b)

Subcutaneous fat.

c)

Dermal fat

d)

Muscle fat

46.

Which doctor specializes in skin conditions?

a)

Cardiologist

b)

Neurologist

c)

Dermatologist.

d)

Oncologist

47.

Which of the following is NOT a function of the skin?

a)

Regulating body temperature

b)

Producing hormones like insulin.

c)

Protecting internal organs

d)

Preventing water loss

48.

The word "neurons" means:

a)

Brain waves

b)

Blood vessels

c)

Nerve cells.

d)

Muscles

49.

What is the basic functional unit of the nervous system?

a)

Axon

b)

Brain

c)

Neuron.

d)

Dendrite

50.

Which part of the brain regulates body temperature and hunger?

a)

Cerebrum

b)

Pons

c)

Medulla

d)

Hypothalamus.

51.

The central nervous system (CNS) consists of:

a)

Brain and nerves

b)

Brain and spinal cord.

c)

Spinal cord and ganglia

d)

Nerves and muscles

52.

What does the word "core" most likely mean

a)

Outside

b)

Surface

c)

Center or most important part.

d)

Signal

53.

What does the word "involuntary" mean in "involuntary reflexes"?

a)

Optional

b)

Controlled

c)

Automatic.

d)

Visible

54.

The word "reflexes" refers to:

a)

Slow responses

b)

Quick automatic responses to stimuli.

c)

Pain

d)

Emotions

55.

What is the main function of the brain?

a)

Transmit signals to muscles

b)

Maintain posture

c)

Process and interpret sensory information and control body activities.

d)

Store red blood cells

56.

What is the role of the spinal cord in the nervous system?

a)

Create red blood cells

b)

Control heartbeat

c)

Transmit messages between the brain and the rest of the body.

d)

Pump hormones

57.

What is the main role of the autonomic nervous system?

a)

Control skeletal muscle movement

b)

Control involuntary functions like heartbeat and digestion.

c)

Interpret language

d)

Transmit visual images

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