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HM Study Material > HM Chapter 06: Human Anatomy & Physiology > Flashcards

HM Chapter 06: Human Anatomy & Physiology Flashcards

0
Q

What is physiology?

A

The study of how the body works and how the various parts function individually and in relation to each other

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1
Q

What is anatomy?

A

The study of body structures and the relation of one part to another

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2
Q

What is digestion?

A

The physical and chemical breakdown of food into its simplest forms.

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3
Q

Saggital Plane

A

Divides body into left and right halves

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4
Q

Frontal plane (coronal)

A

Divides body into front and back

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5
Q

Horizontal plane

A

Divides body into upper and lower halves

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6
Q

Anterior/Ventral

A

Pertaining to the front

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7
Q

Posterior/Dorsal

A

Pertaining to the back

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8
Q

Medial

A

Towards middle of the body

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9
Q

Superior

A

Toward top of body or above

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10
Q

Inferior

A

Toward bottom of the body or below

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11
Q

Caudal

A

Towards the lower end of body

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12
Q

Lateral

A

Away from middle of body

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13
Q

Proximal

A

Nearest to point of origin

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14
Q

Distal

A

Away from the point of origin

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15
Q

Supine

A

Lying down face up

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16
Q

Prone

A

Lying down face down

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17
Q

Peripheral

A

The outward part or surface of a structure

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18
Q

Each cell is surrounded by ______

A

Plasma membrane

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19
Q

Diffusion

A

Process where elements achieve equilibrium by moving higher concentration to lower concentration.

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20
Q

What is a cytoplasm?

A

A gelatinous substance surrounding the nucleus

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21
Q

Lateral Recumbent

A

Laying on either side

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22
Q

Ceremonious glands

A

Secrete earwax

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23
Q

Sebaceous glands

A

Located everywhere but palms of hands and soles of feet; secrete oil to lubricate skin and hair

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24
Q

What is adipose tissue?

A

A “fatty tissue” that acts as a reservoir for producing foods; helps reduce body heat loss and serves as support for various organs.

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25
Q

How many liters of swear are secreted daily?

A

1 liter (1000ml)

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26
Q

Human skull contains how many bones?

A

22 bones of which 8 make up cranium and 14 form facial bones

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27
Q

What is the arrector?

A

Fastens to the side of the follicle and is responsible for goosebumps when skin is cold.

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28
Q

What is the most prevalent mineral in the bone?

A

Ossein (organic) and calcium and phosphorus (inorganic)

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29
Q

How many bones in the human body?

A

206

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30
Q

What’s the longest bone in the body?

A

Femur

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31
Q

What gives the bones strength

A

Mineral salt

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32
Q

What is cancellous tissue?

A

Spongy porous center of the bone

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33
Q

Medullary canal

A

Center of the bone that contains marrow.

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34
Q

Yellow bone marrow is located in _____

A

Long bones

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35
Q

Red bone marrow is located in ______

A

Ends of long bones.

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36
Q

What are the classifications of bones?

A

Long (femur & humerus)
Short (wrist & ankle bones)
Flat (skull, sternum & scapula)
Irregular (vertebrae, mandible & pelvic bones)

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37
Q

Bones of the ear include _____

A

Malleus, incus, stapes

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38
Q

Vertebrae includes ______

A

7 cervical, 12 thoracic, 5 lumbar, 5 sacral

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39
Q

Ribs include _____

A

7 pair true ribs, 5 pair false ribs, 2 pair floating ribs

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40
Q

Bone classifications are broken down into _____

A

Immovable, slightly movable, freely movable

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41
Q

Moveable joints include:

A

Ball in socket, hinge, pivot, saddle, condyloid, gliding

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42
Q

What is the periosteum?

A

A thin outer membrane surrounding the bone that supplies nourishment and is also the pain center of the bone.

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43
Q

What is the epiphysis?

A

Ends of bones

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44
Q

What is the diaphysis?

A

Elongated portion

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45
Q

What does the ligament connect?

A

Bone to muscle

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46
Q

What does the tendon connect?

A

Muscle to bone

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47
Q

Muscle makes up how much of body weight?

A

Up to half.

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48
Q

How fast does rigor mortis occur?

A

From 10 minutes to several hours after death.

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49
Q

How much does the salivary glands produce daily?

A

2-3 pints

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50
Q

What makes up the hamstrings?

A

Biceps femoris

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51
Q

What are the sites of IM injections

A

Gluteus maximus, deltoid, quadriceps

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52
Q

What is the longest muscle in the body?

A

Sartorius

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53
Q

Blood volume is _____

A

5-6 liters

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54
Q

What is the Vertebral Foramen?

A

Hole that forms passage for spinal cord

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55
Q

What forms the shoulder joint?

A

Glenoid fossa and the pectoral girdle?

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56
Q

What is the acetabulum?

A

Innomibate bone commonly known as the hip; cup like structure

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57
Q

What is the obturator foramen?

A

The largest foramen(opening) located in the hip bone between the ischium and pubis

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58
Q

What are sesamoid bones?

A

Bones like the patella that develop with a tendon

59
Q

What is the medial mallcolus?

A

A prominence easily felt on the inner aspect of the ankle

60
Q

Systolic

A

Contraction of the heart

61
Q

Blood is _____

A
  • Made of 55% plasma & 45% blood cells
  • Red blood cells live 100-120 days
  • Normal white blood count is 6,000-8,000 per cubic millimeter
  • Total blood count is 250,000 per cubic millimeter
62
Q

Primary veinipunture spot is

A

Antecubital

63
Q

Diastolic

A

Relaxation of the heart

64
Q

How long does it take food to pass through small intestine?

A

20 minutes to 2 hrs

65
Q

Sheny stokes is when

A

Respiration increases to a certain point

66
Q

How much residual air is there after lung expiration?

A

1,200 ml

67
Q

What is the minimum ursine produces daily?

A

500 ml

68
Q

Organs in right upper quadrant are:

A

Liver, gallbladder, duodenum, pancreas, bile duct

69
Q

What organs are in left upper quadrant?

A

Stomach and pancreatic duct

70
Q

Lower right and lower left quadrants contain

A

Large and small intestines, cecum, appendix, rectum and anus

71
Q

How many bones in the cranium?

A

8 major bones:

Frontal bone, Nasal bone, Parietal bone, Temporal bone, Lacrimal bone, Zygomatic Bone, Sphenoid bone & Etmoid bone

72
Q

What are muscles held together by?

A

Sheets of white fibrous tissue called the fascia

73
Q

What is the tarsus?

A

The ankle, which is formed by seven tarsal bones; the strongest of these is the calcaneus aka heel bone

74
Q

A ________is a contracting muscle. The muscle that relaxes while one is contracting is called _______

A

Prime mover, Antagonist

75
Q

The main functions of muscles are to:

A

Provide movement;
Maintain body posture;
Providing heat

76
Q

What is the vermilion border?

A

Area where red mucous membrane ends and normal out skin of the face begins.

77
Q

Sublingual

A

On each side under tongue, floor of mouth

78
Q

Submandibular

A

Posterior portion of mandible, lingual to mandibular incisors

79
Q

Parotid

A

Inside cheek, opposite maxillary second molar

80
Q

What are the sternocleidomastoid muscles?

A

Located on sides of neck. Individually they turn neck left or right. Together they move head forward.

81
Q

What is the diaphragm?

A

Muscle or respiration, modifying the size of the thorax and abdomen vertically.

82
Q

What is fatigue?

A

When contraction of muscles continue, they will cramp and refuse to move. They need rest to allow blood to carry away the waste materials and bring in fresh glucose, oxygen, and protein to restore the muscle protoplasm.

83
Q

What happens in the contraction and recovery stages of muscles?

A

Contraction: Two proteins (actin & myosin) react to provide energy through the breakdown of glycogen and lactic acid.
Recovery: Oxygen reacts with lactic acid to release carbon dioxide and water.

84
Q

What are the 3 types of muscle?

A

Smooth, skeletal and cardiac

85
Q

What is the spleen?

A

Organ where old cells are stored to be removed from the blood stream

86
Q

Phagocytosis is

A

A process that protects body tissues by engulfing disease-bearing bacteria and foreign matter with white blood cells

87
Q

How blood is pumped through the heart?

A

The right ventricle pumps the blood past the pulmonary valve through the pulmonary artery to the lungs, where it is oxygenated. The left atrium receives the oxygenated blood from the lungs through four pulmonary veins and pumps it to the left ventricle past the mitral valve.

88
Q

What is synapse?

A

The space which a nerve impulse passes from one neuron to another

89
Q

Blood Vessel Classifications:

A

Arteries & Arterioles: Distributors;
Capillaries: Exchangers;
Veins & Venules: Collectors

90
Q

What does the aqueous humor do?

A

Gives the cornea it’s curved shape

91
Q

What is the sclera?

A

Outer layer of the eye with its tough, fibrous, protective portion of the globe aka the white of the eye

92
Q

What is the lacrimal gland?

A

It produces tears that constantly wash the front part of the eye and conjunctiva (lines the insides of eyelids)

93
Q

Refraction

A

The deflection of light in the eye

94
Q

Convergence

A

Process that produces clear, three-dimensional vision

95
Q

Accommodation

A

Process in which the lens increases or decreases it’s curvature to refract light rays into focus

96
Q

The tympanic membrane is also known as the

A

Eardrum

97
Q

What is the Eustachian tube (auditory tube) ?

A

Equalizes pressure in the internal and external ear

98
Q

What is homeostasis?

A

Self balancing of body’s internal environment & it’s maintained by the endocrine system and nervous systems

99
Q

Hormones are secreted from ….

A

Glands directly into the blood

100
Q

What is the Parathormone (PTH)?

A

Regulates the calcium and phosphorus content of the blood and bones

101
Q

What is the Norepinephrine?

A

Produced in the adrenal medulla and a chemical precursor to epinephrine

102
Q

What does the pancreas contain?

A

It contains exocrine and endocrine tissues. The exocrine tissue secretes digestive juice through a duct to small intestines. It serves the endocrine system.

103
Q

Hormone producing glands include:

A

The hypothalamus, pituitary, pineal, thyroid, parathyroids, adrenals, pancreas, gonads, placenta and thymus

104
Q

What is the liver?

A

The largest gland in the body. It metabolizes carbs, fats and proteins.

105
Q

The endocrine portion of the pancreas does what?

A

It consists of cells arranged in groups called islands (islets) of Langerhans (3 types of cells). ALPHA cells secrete the hormone glucagon. BETA cells secrete insulin. DELTA cells produce the hormone somatostatin

106
Q

What is the purpose of glucagon?

A

Raise blood glucose levels. It is released when blood sugar falls too low.

107
Q

What is somatostatin?

A

A hormone that regulates the endocrine system and affects neurotransmission and cell proliferation.

108
Q

Gonad refers to what?

A

Primary sex of male and female organs

109
Q

The urinary system is ….

A

The primary filtering system of the body; the two main organs are the kidneys and urinary bladder

110
Q

What does the gall bladder store?

A

Bile

111
Q

What is the function of the kidney?

A

The nephron is the functional unit of the kidney; the kidney purifies blood and maintains normal pH in blood (end product is urine)

112
Q

The average bladder holds how much mls?

A

600

113
Q

Where is testosterone produced?

A

Testes

114
Q

What are the ovaries?

A

Primary female reproduction organs; produces cell and sex hormones. Fertilization of an ovum usually takes place in the fallopian tubes.

115
Q

The large intestine is _____

A

5 feet long and made up of the cecum, colon and rectum

116
Q

What is the cecum?

A

The beginning of the large intestine. Receives fecal material from ileum and ascending colon of the large intestine.

117
Q

What is the colon?

A

Last part of the digestive system that extracts water and salt from solid wastes before eliminated from the body.

118
Q

What is the rectum?

A

The final straight portion of the large intestines.

119
Q

What are the three divisions of the small intestines?

A

Duodenum, jejunum & ileum

120
Q

What is the duodenum?

A

First section of small intestines where most chemical digestion takes place.

121
Q

What is the jejunum?

A

Middle section of the small intestines which used for absorption of small nutrients particles which have been previously digested by enzymes in the duodenum.

122
Q

What is the ileum?

A

Final section of the small intestines which absorbs B12, bile salts and whatever products of digestion that weren’t absorbed by jejunum.

123
Q

What are the 6 major divisions of the brain?

A

Medulla oblongata, Pons, Midbrain, Diancephalon, Cerebrum, Cerebellum.

124
Q

The cerebellum is …

A

Responsible for balance, coordination or movement

125
Q

What is the cerebrum?

A

The major part of the brain that controls emotions, hearing, vision, personality.

126
Q

What is the medulla oblongata?

A

Lower half of brainstorm that contains the cardiac, respiratory, vomiting and vasomotor centers. Also deals with autonomic (involuntary) functions, such as breathing, heart rate and blood pressure.

127
Q

What are pons?

A

Part of the brainstorm that connects medulla oblongata and midbrain. Contains nuclei that deal with sleep, respiration, swallowing, bladder control, hearing, equilibrium, taste, eye movement, facial expressions, facial sensation and posture.

128
Q

What is the midbrain?

A

Located near center of the brain. Portion of the central nervous system associated with vision, hearing, motor control, sleep/wake, arousal and temperature regulation.

129
Q

What is the diencephalon?

A

Located at upper end of brain stem. Made up of four distinct components: thalamus, subthalamus, hypothalamus and epithalamus.

130
Q

How many cranial nerves are there ?

A

12

131
Q

Olfactory Nerve

A

Provides sense of smell

132
Q

Optic Nerve

A

Primarily for vision. It functions in the recognition of light and shade and in the perception of objects.

133
Q

Trigeminal Nerve

A

Governs sensation of the forehead and face and the clenching of the jaw. Also supplies the muscle to the ear (tensor tympani) necessary for normal hearing.

134
Q

Facial Nerve

A

Controls the face muscles. It stimulates the scalp, forehead, eyelids, muscles of facial expression, cheeks and jaw.

135
Q

Acoustic Nerve

A

Controls hearing and balance

136
Q

Glassopharyngeal Nerve

A

Transmits sensations to upper mouth and throat area.

137
Q

Oculomotor, Trochlear & Abducens Nerves

A

These three nerves control eye movements in the 6 directions and eye movement towards the tip of the nose. The oculomotor nerve is responsible for movement of the pupils.

138
Q

The trochlear nerve ______

A

Turns eye to the side and down-corticoids and regulates salt & water

139
Q

Spinal Accessory Nerve

A

Controls the turning of head from side to side and shoulder shrug

140
Q

Vagus Nerve

A

Controls roof of the mouth, vocal cords, and tone of the voice.

141
Q

Hypoglossal Nerve

A

Governs muscle activity of the tongue. Injury to nerves could cause tongue to twist to that side when stuck out of mouth.

142
Q

What is another word for right eye?

A

OD (oculus dexter)

143
Q

What is another word for left eye?

A

OS (oculus sinister)

144
Q

What is another word for both eyes?

A

OU (uterque)

HM Study Material (19 decks)

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