APK 1997 Flashcards
a synovial joint possess which distinguishing feature/s:
a. a potential cavity
b. a capsule of fibrous tissue line with synovial membrane
c. a lubricated articular cartilage
d. all of these
all of these
one of the following true of coronary circulation:
a low cardiac output may give rise to angina pectoris as when the aortic valve does not close properly
which of the following statements is true:
the median nn supplies all of the FPL and the adjoining half of the FDP; the median half of profundus is supplied by the median nn.
when the scapula is stabilized, the following ranges of motion is attributed to the glenohumeral joint, EXCEPT:
when the glenohumeral joint is externally rotated to 90deg. by active insufficiency of the brachialis muscles
functional of ligaments include:
a. protect or hold in position some more important structure usually a nerve
b. prohibits movements in undesired plane
c. all of these
d. limit the range or extent of normal movement
all of these
the security of the ankle joint is a result of an immobile act no rigid union of the following joint:
inferior tibiofibular joint
a patient is paralyzed from the waist down and has been using the wheelchair. the following procedures will allow the patient to go up and down the stairs, EXCEPT:
in climbing down, after positioning herself at the edge of the landing, she’ll slide her buttocks and her hands onto each step using her hands to position her legs onto the next lower step
this nerve innervates the superior oblique and exits the brain stem posteriorly:
trochlear nerve
functions of the veins include:
propels blood through venous pump
in the central part of the mediastinal part of the medial surface is large area where bronchi and pulmonary vessels plunge into the lung. name this part:
hilus
functions of the pretibial group, EXCEPT:
important in many open-chain motion, i.e. in placing the foot for driving
the following statements apply to crutch-walking up the stairs, non-weight bearing right, EXCEPT:
to move up unto the next step, patient pushes down on his crutches and hop onto the first step with left foot, the other leg moving up onto the step at the same time.
in polyneuropathy, lesions of the occur bilaterally and the effects are usually more prominent in the proximal than in distal parts of the extremities:
the first statement is true, the second statement is false
the following statements describes the factors affecting a cell’s net rate of diffusion in one direction, EXCEPT:
in ions, the difference in chemical potential between the two sides of the membrane
decrease in resting membrane potential, making it more positive:
depolarization
which of the following is true of the patella:
it is a sesamoid bone in a tendon and is said to enhance the power of knee extensors by increasing the leverage of that muscle
the following statements describe a lower motor neuron paralysis, EXCEPT:
reflex arc is interrupted resulting in exaggerated stretch reflex
procedures performed together to relieve pain by exercising the synovial membrane and removing diseased cartilage, soft tissue and the bony enlargement from joints:
debridement and synovectomy
this muscle inserts into the iliotibial tract and into the gluteal tuberosity of the shaft of the femur, posterior aspect:
gluteus maximus
which of the following events are required for the mechanical linkages between the actin and myosin to produce muscle contraction?
a. none of these
b. chemical reaction to provide energy of active tension
c. both of these
d. a specific stimulus to trigger the coupling of the two filaments
none of these
the hindfoot is composed of the following bones:
talus and calcaneus
mobility of the shoulder joint is made possible by these bony articulations:
a. all of these
b. acromioclavicular
c. sternoclavicular
d. glenohumeral
all of these
muscle for inward rotation of the glenohumeral joint
subscapularis
invasion and eversion of the foot occurs at which joint
subtalar and transverse tarsal joint
unilateral contraction of this muscle combines rotation of the head to the opposite side, lateral flexion to the same side, and head and cervical vertebrae extension:
sternocleidomastoid
the following statements apply to the bicipital groove, EXCEPT:
bordered medially by the greater tuberosity and laterally by the lesser tuberosity
in erb-duchenne palsy, the following conditions apply, EXCEPT:
causes excessive traction or tearing of C3 and C4 roots of the brachial plexus
this injury causes paralysis of the pronator teres and quadratus
median nerve injury above the elbow
relatively rapid, irregularly recurrent, unpredictable nonrhythmic, involuntary movements of the trunk, face of extremities:
chorea
the following statements apply to genu valgum, EXCEPT:
abnormalities of calcium metabolism may stimulate this problem
the human torso’s nerve supply of an orderly series of spinal nerves is evidenced by its segmental development. one pair of spinal nerve supplies this strip-like area of skin. this is known as
dermatome
in flexing the knees and hips and dorsiflexing the ankles, objects may be lifted from the floor. the following positions of the pelvis and vertebrae are used:
anterior tilt of the pelvis with lordotic position of the lumbar spine
the following statements are true of the clavicle, EXCEPT:
when clavicular rotation is prevented, arm elevation is limited to 90deg.
the pained spinal nerves are as follows:
8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal pair of spinal nerve
if your patient cannot support weight on one leg but has good muscular strength and coordination, which crutch-walking gait would you choose?
three-point-gait (non-weight-bearing)
this channel communicated with the periosteum at the bone’s surface and receives fluid from the haversian canal
canaliculus
this spinal accord tapers at the level of the lower border of the first lumbar vertebra called:
corpus medullaris
using the athroscope and supplementary instruments, which of the following procedures can be performed?
a. draining of a septic tank
b. biopsy of synovial disorders
c. removing loose foreign bodies and adhesions
d. adhesions
e. smoothing knee cartilage irregularities from chondromalacia patellae
all of these
cerebrospinal fluid is formed primarily by specialized tissue in the ventricles called:
choroid plexus
the whole process by which depolarization of the muscle fiber initiates muscle contraction is called excitation-contraction, coupling. during this process, the following events occur, EXCEPT:
norepinephrine is released into the myoneural junction