OS 203 Compre Flashcards
Which epidermal layer has hemidesmosomes? A. Statum Spinosum B. Stratum Corneum C. Stratum Basale D. Stratum Granulosum
C
Which epidermal cell has neuroendocrine fnction? A. Merkel cell B. Langerhans cell C. Keratinocytes D. Melanosomes
A
Which is responsible for fingerprints?
A. Arrangement of dermal epidermal interdigitations
B. Arrangement of collagen and elastic fibers
C. Arrangement of muscle fibers
D. Arrangement of nerve endings
A
What substance binds keratin filaments into bundles? A. Ceramide B. Filagrin C. Cornified Cell Membrane D. Sebum
B
True of apocrine glands?
A. Apocrine type of secretion
B. Simple branched acinar
C. Secretion of watery substance, mainly urea
D. All hair follicles have associated apocrine glands
A
Which layer will bleed vigorously when cut?
a. Reticular Dermis
b. Papillary Dermis
c. Hypodermis
d. Epidermis
C
Small, flat-topped smooth lesion which is solid and elevated. A. Plaque B. Nodule C. Wheal D. Cyst E. Papule
E
More than 5mm in diameter, solid, elevated with greater portion situated deeper in the skin or subcutaneous tissue. A. Plaque B. Nodule C. Wheal D. Cyst E. Papule
B
Large flat palpable solid elevation with a usually irregular border A. Plaque B. Nodule C. Wheal D. Cyst E. Papule
A
A sac containing fluid or semisolid material; lined with a true epithelium. A. Plaque B. Nodule C. Wheal D. Cyst E. Papule
D
A transient skin aberration involving inflammation into into the dermis and capillary dilation. A. Plaque B. Nodule C. Wheal D. Cyst E. Papule
C
One summer, Anna went to another foster family. She had lesions which were pruritic excoriated
papules noted on her upper extensor arms and around her thighs. No other members in the family had the
same kind of lesion. What caused her lesions?
A. Psoriasis
B. Scabies
C. Arthropod mites
D. Pediculosis corporis
D
A 32 yr old man was drinking with a group and asked a medical student who happened to
pass by to check his lesions. He had pruritic pustules all over the body including the palms and soles. He had
several areas of alopecia on his scalp that made it look “moth-eaten”. He boasts of having a lot of
girlfriends/sexual partners. What disease does he have?
A. Secondary syphilis
B. AIDS
C. Psoriasis
B
The med students were walking when they saw children playing on the road. A woman with a 1 year
old boy was watching over them. She let the med students examine her child. The boy has colds, “running
nose” and golden yellow crusts below the nasal area, on top of his nose and on his left cheek. What does the
boy have based on this initial PE?
A. contact dermatitis (not sure if that’s the option)
B. impetigo contagiosum
C. allergic reaction
D. molluscum contagiosum
B
Which of the following skin disorders is closely associated to allergic rhinitis and skin asthma? A. Atopic Eczema B. Contact Dermatitis C. Impetigo Contangiosa D. Seborrheic Dermatitis
A
If a patient has chronic urticaria, what type of lesion do you expect to see frequently? A. papules B. vesicles C. hives D. pigmentation
C
Mrs. Cruz constantly developed proritic papules, eczemas on different parts of her body. This had been
going ‘on and off’ for months. She knew that one of the culprits could be anything in her immediate
surroundings. To check for the possible culprit, which of the following procedures would you suggest?
A. CBC
B. Gram stain
C. KOH
D. Patch test
D
The yellow papules on a newborn baby’s face is influenced by:
A. Maternal androgen
B. Maternal estrogen
A
Which of the following structures decreases in activity during pregnancy? A. Melanocyte B. Eccrine Gland C. Apocrine Gland D. Sebaceous Gland
C
Which structure is hypertrophied during aging but there is less secretion? A. Melanosomes B. Sebaceous glands C. Apocrine Glands D. Eccrine glands
A
Harlequin color change happens to A. preterm infants B. Full term infants C. Post term infants D. Low weight infants
D
Why does the skin dry in cold weather?
A. Increase evaporation of apocrine sweat
B. Decreased activity of sebaceous gland
C. Thickened epidermis due to decreased keratinocyte turnover
D. Increased transepidermal water loss due to breach in the intercellular lipid layer
D
Darker people tan more easily and deeply. Why? A. eumelanin B. pheouemmelanin C. pheomelanin D. melatonin
A
Oiliness is caused by…
A. Apocrine glands
B. Use of hair and facial cosmetics
C. Genetics related to androgen production
D. Thickness of intracellular lipid layer
C
What part of the hair follicle changes during the catagen phase of the hair cycle? A. Upper segment B. Lower segment C. Middle Segment D. All segments of the hair follicle
B
Itch is initiated centrally through A Prostaglandins B Acetylcholine C Histamine D Opioids
D
What neurotransmitter is responsible for sweat production? A Noradrenaline B Acetylcholine C Serotonin D Dopamine
B
- What is the precursor cell of striated muscle tissue?
a. Myoblast
b. Fibromyoblast
c. Mesenchymal cell
d. Mesodermal cell
A
- What is a T-tubule
a. Invagination of the sarcolemma
b. Part of the Golgi apparatus
c. End portion of the myofibril
d. Cytoskeletal apparatus
A
- What is the characteristic of slow twitch muscle fibers?
a. Low level of succinic dehydrogenase activity
b. High myoglobin level and extensive capillary network
c. Rich in glycogen
d. None of the above
B
- In the motor end plate, the axon terminal loses its
a. Neurotransmitter
b. Myelin sheath
c. Cell membrane
d. Conductive function
B
- True about sliding filament theory EXCEPT
a. During muscle contraction, thick and thin filaments change size
b. ATP is needed for power stroke
c. Troponin and tropomyosin complex blocks binding sites for actin
d. Calcium is released because of action potential
A
- Represents thick filaments held in register at the center of the sarcomere
a. H band
b. IA junction
c. Z band
d. M line
D
- In what plane does everyday movement in humans usually occur?
a. Lateral
b. Medial
c. Anterior
d. Posterior
C
- Load or force directed medially towards the sagittal plane in a fully extended knee will cause which deformity
a. Hyperflexion
b. Hyperextension
c. Varus
d. Valgus
D
- Locomotion of the lower appendicular structures usually occur along which plane?
a. Frontal
b. Transverse
c. Sagittal
d. Coronal
C
- Man curls up in reaction to dangerous stimuli in order to protect this aspect of the body
a. Medial
b. Lateral
c. Ventral
d. Dorsal
C
- What is the essential element of a diarthrosis
a. Hyaline cartilage
b. Synovial membrane
c. Capsule
d. Ligament
A
- Lever mechanisms of the upper extremity are often categorized as
a. First class
b. Second class
c. Third class
d. None of the above
C
- In reference to the sagittal plane, the knee extension mechanism is a
a. First class
b. Second class
c. Third class
d. None of the above
A
- Best way to describe orientation of scapula
a. 60 degrees anteromedially from sagittal plane
b. 60 degrees posteromedially from sagittal plane
c. 60 degrees anterolaterally from sagittal plane
d. 60 degrees posterolaterally from sagittal plane
C
- What is the most important static stabilizer of the shoulder joint?
a. Middle glenohumeral ligament
b. Superior glenohumeral ligament
c. Inferior glenohumeral ligament
d. None of the above
A
- Essential for abducting the shoulder from 0 to 180 degrees
a. Inversion
b. Eversion
c. Internal rotation
d. External rotation
D
- Osseous structures of the scapula involved in full abduction, EXCEPT
a. Greater tubercle
b. Anatomical neck
c. Acromion process
d. Coracoid process
D
- The cumulative vector of the rotator cuff muscles in the shoulder results in
a. Depression
b. Compression
c. Shear
d. All of the above
A
- Muscles for elbow flexion, EXCEPT
a. Brachialis
b. Biceps brachii
c. Brachioradialis
d. Coracobrachialis
D
- The deltoid muscle is responsible for the following shoulder actions, EXCEPT
a. Extension
b. Internal rotation
c. Flexion
d. Abduction
D
- All are muscles of the rotator cuff, except
a. Supraspinatus
b. Infraspinatus
c. Subscapularis
d. Teres major
D
- The anterior compartment of the arm is innervated by the
a. Median nerve
b. Ulnar nerve
c. Radial nerve
d. Musculocutaneous nerve
D
- Fracture of the midshaft of the humerus will have this clinical presentation
a. Wrist drop
b. Papal benediction
c. Claw hand
d. None of the above
A
- Fracture of the supracondylar ridge leads to injury in
a. Radial artery
b. Ulnar artery
c. Medial artery
d. None of the above
B
- This muscle is also a supinator of the forearm
a. Brachioradialis
b. Biceps brachii
c. Gastrocnemius
d. Brachialis
B
- Most important hand function
a. Flexion
b. Adduction
c. Extension
d. Opposition
D
- The carpal bone most predisposed to fracture
a. Scaphoid
b. Capitate
c. Lunate
d. Pisiform
A
- Scapular winging is a finding of injury to what nerve
a. Long thoracic
b. Subscapular
c. Dorsal scapular
d. Suprascapular
A
29. The Carpal bone most predisposed to traumatic injury A. Scaphoid B. Capitate C. Lunate D. Pisiform
A
30. Carpal bone most predisposed to dislocation A. Scaphoid B. Capitate C. Lunate D. Pisiform
C
31. Clinical presentation: Inflammation and pain of the extensor hood. What tendon is affected? A. Extensor Pollicis Longus B. Extensor Pollicis Brevis C. Extensor Carpi Radialis Longus D. Extensor Indicis
B
32. The average amount of time for dissecting cadavers when studying anatomy? A. 40% B. 50% C. 60% D. 70%
C
33. The other component of formalin aside from formaldehyde is A. Propanol B. Ethanol C. Methanol D. Butanol
C
34. The accepted chemical formula of the main component of formalin is A. HCHO B. HCOH C. CHOH D. H2O
B
35. All of the following muscles are flexors of the elbow except for? A. Brachioradialis B. Brachialis C. Biceps brachii D. Coracobrachialis
D
36. Which nerve passes the largest motor branch into the hand? A. Ulnar nerve B. Median nerve C. Musculocutaneous nerve D. Radial nerve
D
37. The thumb serves this much function of the hand: A. 20% B. 30% C. 40% D. 50%
C
38. Which of the following is a branch of the upper trunk? A. Spinal Accessory nerve B. Phrenic nerve C. Suprascapular nerve D. Long thoracic nerve
C
39. The nerve mentioned in the previous number is responsible for what action? A. Shoulder flexion B. Shoulder internal rotation C. Shoulder Abduction D. Shoulder extension
B
40. The lateral cord of the brachial plexus primarily extends to which of the following terminal branches? A. Median nerve B. Musculocutaneous nerve C. Radial nerve D. Ulnar nerve
B
41. The terminal branch of the C8/T1 roots is the: A. Radial nerve B. Musculocutaneous nerve C. Median nerve D. Ulnar nerve
D
42. C5 and C6 are the main nerve root/s of which terminal branch nerve? A. Median nerve B. Musculocutaneous nerve C. Radial nerve D. Ulnar nerve
B
43. Which nerve injury would give the best prognosis? A. Axonotmesis B. Neurotmesis C. Neuropraxia D. Axonotpraxia
C
1. The attitude of shoulder adduction, shoulder internal rotation, and wrist flexion is characteristic of which of the following: A. Klumpke’s Palsy B. Bell’s Palsy C. Erb’s Palsy D. Horner’s Palsy
C
- The overall function of special CT (both bone and cartilage) is:
A. Create soft tissue that can flex
B. Create growing tissue that regenerates
C. Create tissue for internal framework
D. Create tissue that is rigid in nature
C
46. When cartilage tears, it usually leaves a disfigured form. Why? A. Cannot regenerate B. Gel-like matrix C. Interstitial growth D. None of the above
A
48. Which is not included in the triad of physiologic fracture healing? A. Bone regeneration B. Fracture movement C. Angiogenesis D. Bracing
B
49. Which of the following mixtures of biologically active compounds is proven to be beneficial for bone healing? A. Autogenous mesenchyme stem cells B. Autogenous bone marrow C. Autogenous cancellous bone D. None of the above
A
- The primary purpose of the T-tubule system is to:
A. Attach actin to cell membrane of myofibril
B. Release Ca2+ into myofibril from sarcoplasmic reticulum
C. To get Ca2+ from nerve terminals
D. Relay transmission of action potential from nerve terminals
D
51. Muscular contraction is initiated by binding of calcium to what structure? A. Troponin B. Tropomyosin C. Myosin D. Actin
A
52. Which of the following activities applies isometric contraction rather than isotonic contraction? A. Pushing leg against the floor B. Pulling a pail of water from a well C. Climbing the stairs slowly D. Lifting book from a table
A