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Basic Medical Science II

Total questions: 92

Worksheet time: 6mins

Name
Class
Date
1.

The only externally visible part of the respiratory system

a)

Eyes

b)

Nose

c)

Pharynx

d)

Larynx

2.

The following laryngeal cartilages is in paired

a)

Epiglottis

b)

thyroid cartilage

c)

cricoid cartilage

d)

arytenoid cartilage

3.

The left lung has three lobes and the right lung has two lobes

a)

True

b)

False

4.

The inner layer that surrounds the lung itself is called the

a)

Parietal Pleura

b)

Visceral Pleura

c)

Pleuracardium

d)

Lobar Bronchi

5.

The trachea splits at the _________ to form the ____________.

a)

Cricoid cartilage, secondary bronchi

b)

Thyroid cartilage, primary bronchi

c)

Carina, primary bronchi

d)

Hilum, secondary bronchi

6.

______________ delivers unoxygenated blood to the lungs

a)

Pulmonary vein

b)

Aorta

c)

Left ventricle

d)

Pulmonary artery

7.

Gas exchange in the lungs occurs in the

a)

Bronchioles

b)

Alveolar sinus

c)

Alveolar sacs

d)

Segmental Bronchi

8.

Everything below is part of the lower respiratory system EXCEPT (select-all-that-apply)

a)

Trachea

b)

Carina

c)

Pharynx

d)

Bronchioles

e)

Nasal cavities

9.

The dome-shaped diaphragm

a)

is where gas exchange happens

b)

allow air passes through the diaphragm on the way to the lungs

c)

attaches to the lungs to help in breathing

d)

is under the lungs and keeps them from falling down to your stomach

10.

The main organs for gas exchange in the respiratory system is 

a)

diapragmlungstracheabronchi

b)

lungs

c)

trachea

d)

bronchi

11.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

waste/air

c)

carbon dioxide/waste

d)

oxygen/carbon dioxide

12.

Name the 2 main parts of the central nervous system

(a)  

13.

The function of the bronchi is to

a)

Transport air from nose to lungs

b)

Transport air from trachea to lungs

c)

Transport air from alveoli to blood

d)

Transport air from lungs to alveoli

14.

Name the organ label # 6.

a)

alveoli

b)

bronchi

c)

trachea

d)

lungs

15.

Name the structure labeled 8 .

a)

lungs

b)

trachea

c)

diaphragm

d)

alveoli

16.

C-shaped pieces of cartilage are found within the _____.

a)

bronchioles

b)

larynx

c)

pharynx

d)

trachea

17.

The passageway that is shared by both the digestive and respiratory system is the

a)

larynx

b)

pharynx

c)

trachea

d)

nose

18.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Epiglottis

c)

bronchioles

d)

Trachea

19.

The part of the Respiratory System plays a major role in speech also known as the voice box.

a)

nose

b)

pharynx

c)

larynx

d)

trachea

20.

The muscle layer of the heart called

a)

Pericardium

b)

Endomysium

c)

Myocardium

d)

Perimysium

21.

The following describes the correct sequence of blood flow through the blood vessels after leaving the heart.

a)

arterioles, capillaries, venules, veins, arteries

b)

capillaries, venules, veins, arteries, arterioles

c)

veins , venules, capillaries, arterioles, arteries

d)

arteries, arterioles, capillaries, venules, veins

22.

Arteries have thicker walls than veins because they

a)

have a much thicker endothelium than veins

b)

have to provide support for the valves in their lumens

c)

carry less blood than veins

d)

carry blood at a higher pressure than veins

23.

This sound is produced during the closure of the semilunar valves.

a)

lubb

b)

dupp

c)

lubb dupp

d)

lubb duppshhh

24.

The normal pacemaker of the heart is the

a)

sinoatrial (SA) node

b)

AV node

c)

bundle of His

d)

ventricles

25.

The following are the blood vessels that have a wall that is 1 cell thick.

a)

Veins

b)

Arteries

c)

Capillaries

d)

Arterioles

26.

Blood enters the heart at the

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

27.

The name of the part labelled 3.

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

28.

The function of a valve is

a)

helps blood to clot

b)

keeps blood flowing in all directions

c)

keeps blood flowing in one direction

d)

stops blood from flowing

29.

This part of the heart pumps deoxygenated (oxygen-poor) blood.

a)

Left side

b)

Right side

c)

Top side

d)

Bottom side

30.

The wall that separates the heart into right and left sides.

a)

valves

b)

ventricles

c)

septum

d)

atria

31.

Pulmonary vein

a)

carries oxygenated blood to left atrium

b)

carries deoxygenated blood to left ventricle

c)

carries oxygenated blood to left ventricle

d)

carries deoxygenated blood to left atrium

32.

The main function of the heart is to

a)

exchange gases

b)

circulate blood throughout the body

c)

produce red blood cells

d)

remove waste materials from the body

33.

Heart is about the size and shape of

a)

basketball

b)

baseball

c)

toe

d)

fist

34.

The cells in the blood that help fight germs and illnesses are the

a)

white blood cells

b)

red blood cells

c)

plasma

d)

platelets

35.

The average life span of a red blood cell is

a)

30 days

b)

60 days

c)

120 days

d)

180 days

36.

red blood cells produced in

a)

Bone Marrow

b)

Heart

c)

Lungs

d)

Brain

37.

Part of blood that is responsible for carrying wastes, nutrients, and minerals.

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

38.

Platelets are also known as

a)

monocytes

b)

thrombocytes

c)

erthryocytes

d)

leukocytes

39.

The three step process that stops blood flowing from a cut is called _________

a)

hemostasis

b)

homeostasis

c)

coagulation

d)

agglutination

40.

Low levels of oxygen in the blood stimulate the kidneys to release the hormone ______

a)

erythropoietin

b)

adrenalin

c)

insulin

d)

epinephrine

41.

Antibodies binding to antigens on RBCs causes a clumping known as __________

a)

agglutination

b)

coagulation

c)

clotting cascade

d)

hemolysis

42.

Cell fragments that form from the rupture of a megakaryocyte are called ______

a)

platelets

b)

erythrocytes

c)

leukocytes

d)

plasma

43.

What blood type can receive blood from both Type B and Type AB donors?

a)

Type AB

b)

Type B

c)

Type A

d)

Type O

44.

The three steps of hemostasis are:

1. vascular spasm

2. ___________

3. coagulation

a)

platelet plug formation

b)

agglutination

c)

dilation

d)

erythropoietin formation

45.

The main purpose of Red Blood Cells is to

a)

carry gases, wastes, and nutrients

b)

attack and destroy pathogenS

c)

digest food

d)

clot the blood

46.

Function of hemoglobin is to

a)

carry iron

b)

carry wastes

c)

produce oxygen

d)

carry oxygen

47.

The largest lymphatic structure is

a)

lymph

b)

tonsils

c)

Spleen

d)

liver

48.

The medical term for watery fluid inside the lympathic vessels is

a)

Plasma

b)

Lymph

c)

Blood

d)

Serum

49.

This part of the lymphatic system filters foreign material from blood and destroys old RBCs.

a)

spleen

b)

thymus

c)

lymph nodes

d)

lymphatic vessels

50.

Lymph moved through lymphatic vessels through

a)

contractions of the small intestine

b)

blood cells carry lymph through the vessels

c)

contractions of the heart

d)

contractions of skeletal muscle around the vessels

51.

Given the following structures:


1. larynx

2. nasal cavity

3. pharynx

4. trachea


Which of the following is the correct order that air would flow during inhalation.

a)

1,2,3,4

b)

2,3,1,4

c)

4,2,3,1

d)

2,1,3,4

52.

Special lymphatic vessels that absorb fats and transport them from the digestive tract to the blood are called ____.

a)

peyer's patch

b)

vili

c)

lacteals

d)

trabeculae

53.

The function of the lymphatic system is

a)

Prevent swelling

b)

Fights against infection

c)

Removes toxins & waste

d)

Drains tissue fluids, waste products & flights against infection

54.

Function of nervous system

(a)  

55.

Name the 3 mains part of brain

(a)  

56.

The basic unit of structure and function in the nervous system is a nerve cell. Nerve cells are also called-

a)

Osteocytes

b)

Spinal Cords

c)

Dendrites

d)

Neurons

57.

The column of tissue connecting the brain to nerves is...

a)

spinal cord

b)

peripheral nervous system

c)

central nervous system

d)

All of the above

58.

The _____ controls all the other organs, and processes all the information.

a)

Nerves

b)

Brain

c)

Spinal Cord

d)

heart

59.

The cerebrum control

a)

Heartbeat, swallowing, and blinking.

b)

Memory, language, and thoughts.

c)

Standing, running, waving, and speaking

d)

Coughing and sneezing

60.

The gap between two neurons called

a)

Impulse

b)

CNS

c)

Synapse

d)

Inter neuron

61.

The purpose of the myelin sheath on the axon is to

a)

To maintain temperature

b)

To release neurotransmitters

c)

To protect the cell body

d)

To improve conductivity

62.

Sensory neurons carry nerve impulses from the sense organs and internal organs (like your stomach) to the

a)

peripheral nervous system (PNS)

b)

central nervous system (CNS)

c)

muscle

d)

sense organs

63.

What is NOT part of the peripheral nervous system (PNS)?

a)

axons

b)

sensory receptors

c)

spinal cord

d)

motor neurons

64.

Part of a neuron that receives information from other neurons

a)

axon

b)

dendrites

c)

myelin sheath

d)

synapse

65.

The part of the neuron that takes information away from the cell body is called

a)

dendrite

b)

axon

c)

cell body

d)

Schwann cell

66.

These carry signals from tissues and organs to the brain and spinal cord

a)

Sensory Neurons

b)

Motor Neurons

c)

Efferent Neurons

d)

Glial Cells

67.

Which part of the brain controls vital functions such as breathing and heart rate?

a)

Diencephalon

b)

Frontal Lobe

c)

Brain Stem

d)

Cerebellum

68.

Which letter represents the Cervical Region of the spinal cord and vertebral column?

a)

A

b)

B

c)

C

d)

D

69.

The spinal cord is protected by a bony spinal column made up of bones called

a)

White matter

b)

Gray matter

c)

Meninges

d)

Vertebrae

70.

The membranes covering the brain and spinal cord are the

a)

thalamus

b)

meninges

c)

ventricles

d)

choroid plexuses

71.

What letter represents the Frontal Lobe?

a)

A

b)

B

c)

C

d)

D

72.

What letter represents the Temporal Lobe?

a)

A

b)

C

c)

D

d)

F

73.

What letter represents the Parietal Lobe?

a)

A

b)

B

c)

C

d)

F

74.

Which of the following transmits information from the spinal cord to the extremities of the body?

a)

ventral roots

b)

dorsal roots

c)

dorsal root ganglia

d)

Spinal plexus

75.

When you touch the hot handle of a pan, this causes a reflex which happens at the __________ level without having the brain process the impulse first.

a)

Brain Stem

b)

Frontal Lobe

c)

Spinal Cord

d)

Parietal Lobe

76.

Area of gray matter (butterfly) on the back posterior of the spinal cord.

a)

Dorsal Horn

b)

Ventral Horn

c)

Anterior Column

d)

Posterior Column

77.

AFFERENT Neurons that transmit impulses TO the CNS are called

a)

neuroglia

b)

sensory

c)

efferent

d)

association

78.

"Fight of Flight" can be used to describe the actions of which division of the Peripheral Nervous system

a)

Somatic Nervous System

b)

Central Nervous System

c)

Sympathetic Nervous System

d)

Parasympathetic Nervous System

79.

How many pairs of spinal nerves emerge from the spinal cord?

a)

12

b)

18

c)

25

d)

31

80.

Part of the brain that connected to the spinal cord.

a)

cerebellum

b)

cerebrum

c)

neurons

d)

brain stem

81.

Which cranial nerve is responsible for the sense of smell?

a)

Optic nerve

b)


Olfactory nerve

c)

Trigeminal nerve

d)

Facial nerve

82.

The optic nerve (CN II) is mainly responsible for

a)

eye movement

b)

vision

c)

hearing

d)

facial sensation

83.

The trigeminal nerve (CN V) is responsible for

a)

Facial expression

b)

Hearing and balance

c)

Facial sensation and chewing

d)

Swallowing

84.

The vestibulocochlear nerve (CN VIII) is responsible for

a)

taste

b)

hearing and balance

c)

speech

d)

swallowing

85.

Which cranial nerve is involved in taste from the posterior one-third of the tongue?

a)

Facial nerve

b)

Vagus nerve

c)

Glossopharyngeal nerve

d)

Hypoglossal nerve

86.

Which cranial nerve helps in shrugging the shoulders?

a)

Hypoglossal

b)

Accessory

c)

facial

d)

Glossopharyngeal

87.

Skeletal muscle fibers are

a)

Spindle-shaped and uninucleated

b)

Spindle-shaped and uninucleated

c)

Long, cylindrical, multinucleated

d)

Cuboidal and involuntary

88.

The main function of myofibrils is to

a)

The main function of myofibrils is to

b)

Store energy

c)

Produce contraction

d)

Produce contraction

89.

T-tubules are extensions of the

a)

Sarcoplasmic reticulum

b)

Sarcoplasm

c)

Sarcoplasm

d)

Sarcolemma

90.

Myofibrils are composed mainly of:

a)

Myofibrils are composed mainly of:

b)

Myosin and ATP

c)

Actin and myosin

d)

Collagen and elastin

91.

The action of the masseter is for

a)

chewing

b)

swallowing

c)

closing the eye

d)

moving the lips

92.

The function of the erector spinae is to

a)

postural support

b)

movement of the arms

c)

rotating of the lower limbs

d)

stabilization of the pelvic girdle