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Hỏi đáp tư vấn y tế MSK (Quizlet.com)
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A 24-year-old man who is a truck driver is brought to the emergency department because of a fracture of the right humerus.
Physical examination shows an inability to extend the right hand
at the wrist. The patient can flex all of the fingers but he cannot
make a tight fist with the right hand. Which of the following nerves
is most likely injured as a result of this fracture?
am202232
A 68-year-old woman comes to the physician because of hearing
loss and occasional ringing in her ears. She recently had an open
transverse fracture of her left tibia which required operative repair.
Her temperature is 37.0°C (98.6°F), pulse is 72/min, respirations
are 14/min, and blood pressure is 127/79 mm Hg. Physical examination shows a mixed sensorineural and conductive hearing
loss on both sides. An x-ray of the skull is shown. Which of the
following is most likely to be elevated in serum in this patient?
aol671m
A 55-year-old man comes to the physician for a pre-employment
physical examination. He is concerned about recent joint pain
in his hands and knees. A photograph of the patient's hands is
shown. X-rays of the hands show new bone formation beneath
the periosteum of the distal phalanges. Which of the following is
most likely associated with the findings seen in this patient?
aol2220
A 45-year-old woman who is an actress comes to a physician
because she is concerned about facial wrinkles. Vital signs are
stable. She has no significant medical history and takes vitamin
supplements. The physician recommends botulinum toxin injections. Which of the following best describes the mechanism of
action of this medication?
aol713
A 66-year-old woman with a history of osteoarthritis is brought to
the physician because of difficulty walking after being bed-bound
for an extended period of time. Physical examination shows an
inability to dorsiflex the right foot against resistance but shows
normal strength with plantar flexion. At rest, the right foot is
maintained in an inverted position. There is reduced sensation on
the dorsum of the right foot but normal sensation on the sole of
the foot. Which of the following nerves is most likely injured?
am200463
A 14-year-old girl is brought to the physician by her parents because of chronic muscle fatigue, which is worse after exercise. Her
medical history indicates no instances of fasting hypoglycemia.
Physical examination shows no respiratory distress, and no neurologic or cardiac abnormalities. A cardiac stress test, however,
has to be stopped prematurely due to the development of painful
cramps in her legs. The girl says that she has had severe cramping
with exercise in the past as well. Laboratory studies performed
immediately following the stress test show no increase in serum
lactate. A deficiency in which of the following enzymes is most
likely responsible for this patient's symptoms?
aol1643
A 6-month-old boy is brought to the physician by his concerned
1 / 25
MSK
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mother. Although her son has normal motor milestones, she
recently found out that her sister's son has been experiencing
progressive muscle weakness. Cytogenetic studies performed on
his cousin showed a deletion in the dystrophin gene. Physical
examination is unremarkable. If this patient becomes symptomatic, muscles near which of the following joints will most likely
be affected first?
aol811m2
A 29-year-old woman is brought to the emergency department 20
minutes after being involved in a motor vehicle collision. An x-ray
of the abdomen and pelvis shows a fracture of the pelvis. During
the healing of the pelvic fracture, a nerve becomes entrapped in
the bone callus and physical examination two months after the
accident reveals an inability to adduct the thigh at the hip. Which
of the following additional physical findings would most likely be
seen in this patient?
aol579
A 25-year-old man is brought to the emergency department because of a gunshot wound to the left superior chest during an
altercation. Physical examination shows weak radial and ulnar
pulses and weakness of the left upper limb. The bleeding is controlled and an ultrasound of the axillary artery shows an aneurysm
within the axilla. Which of the following structures is most likely to
be compressed by this aneurysm?
aol119m2
A 35-year-old man comes to the physician because of eye pain,
eye redness, and severe left hip pain. The hip pain hurts most in
the morning and then improves by the end of the day. He also has
occasional swelling of his hands and fingers. Vital signs are normal. Physical examination shows several 2-3 cm inflamed, erythematous plaques covered by a silvery-white scaly skin. X-rays of
his lumbar spine and hips show sacroiliitis on the left side. X-rays
of his hands show severe erosions of his distal interphalangeal
joints on the right. HLA-B27 is positive. Which of the following
diagnostic tests should most likely be performed in this patient?
aol876
A 24-year-old man comes to the emergency department because
of right knee pain that started ten days ago when he fell off his
motorcycle. Initially, he was able to ambulate; however, he has
had progressive swelling, redness, and limitation of movement
of his knee. The process causing destruction of cartilage in this
individual's knee is worsened because of which of the following?
am200179m
A 32-year-old woman comes to the physician because of a mass
in her left breast. A diagnosis of breast cancer is made and a
mastectomy is planned. During the procedure, involvement of the
muscle deep to the fatty tissue is seen and a radical mastectomy
with removal of the breast, underlying chest muscles, and lymph
nodes is performed. Removal of this muscle will most likely compromise which of the following functions?
am200260m
A 29-year-old primigravid woman at 30 weeks' gestation comes
to the physician with concerns of pain and numbness in her right
hand. She reports that her symptoms have progressed for the
A 24-year-old man who is a truck driver is brought to the emergency department because of a fracture of the right humerus.
Physical examination shows an inability to extend the right hand
at the wrist. The patient can flex all of the fingers but he cannot
make a tight fist with the right hand. Which of the following nerves
is most likely injured as a result of this fracture?
am202232
A 68-year-old woman comes to the physician because of hearing
loss and occasional ringing in her ears. She recently had an open
transverse fracture of her left tibia which required operative repair.
Her temperature is 37.0°C (98.6°F), pulse is 72/min, respirations
are 14/min, and blood pressure is 127/79 mm Hg. Physical examination shows a mixed sensorineural and conductive hearing
loss on both sides. An x-ray of the skull is shown. Which of the
following is most likely to be elevated in serum in this patient?
aol671m
A 55-year-old man comes to the physician for a pre-employment
physical examination. He is concerned about recent joint pain
in his hands and knees. A photograph of the patient's hands is
shown. X-rays of the hands show new bone formation beneath
the periosteum of the distal phalanges. Which of the following is
most likely associated with the findings seen in this patient?
aol2220
A 45-year-old woman who is an actress comes to a physician
because she is concerned about facial wrinkles. Vital signs are
stable. She has no significant medical history and takes vitamin
supplements. The physician recommends botulinum toxin injections. Which of the following best describes the mechanism of
action of this medication?
aol713
A 66-year-old woman with a history of osteoarthritis is brought to
the physician because of difficulty walking after being bed-bound
for an extended period of time. Physical examination shows an
inability to dorsiflex the right foot against resistance but shows
normal strength with plantar flexion. At rest, the right foot is
maintained in an inverted position. There is reduced sensation on
the dorsum of the right foot but normal sensation on the sole of
the foot. Which of the following nerves is most likely injured?
am200463
A 14-year-old girl is brought to the physician by her parents because of chronic muscle fatigue, which is worse after exercise. Her
medical history indicates no instances of fasting hypoglycemia.
Physical examination shows no respiratory distress, and no neurologic or cardiac abnormalities. A cardiac stress test, however,
has to be stopped prematurely due to the development of painful
cramps in her legs. The girl says that she has had severe cramping
with exercise in the past as well. Laboratory studies performed
immediately following the stress test show no increase in serum
lactate. A deficiency in which of the following enzymes is most
likely responsible for this patient's symptoms?
aol1643
A 6-month-old boy is brought to the physician by his concerned
1 / 25
MSK
Study online at https://quizlet.com/_5ywnty
mother. Although her son has normal motor milestones, she
recently found out that her sister's son has been experiencing
progressive muscle weakness. Cytogenetic studies performed on
his cousin showed a deletion in the dystrophin gene. Physical
examination is unremarkable. If this patient becomes symptomatic, muscles near which of the following joints will most likely
be affected first?
aol811m2
A 29-year-old woman is brought to the emergency department 20
minutes after being involved in a motor vehicle collision. An x-ray
of the abdomen and pelvis shows a fracture of the pelvis. During
the healing of the pelvic fracture, a nerve becomes entrapped in
the bone callus and physical examination two months after the
accident reveals an inability to adduct the thigh at the hip. Which
of the following additional physical findings would most likely be
seen in this patient?
aol579
A 25-year-old man is brought to the emergency department because of a gunshot wound to the left superior chest during an
altercation. Physical examination shows weak radial and ulnar
pulses and weakness of the left upper limb. The bleeding is controlled and an ultrasound of the axillary artery shows an aneurysm
within the axilla. Which of the following structures is most likely to
be compressed by this aneurysm?
aol119m2
A 35-year-old man comes to the physician because of eye pain,
eye redness, and severe left hip pain. The hip pain hurts most in
the morning and then improves by the end of the day. He also has
occasional swelling of his hands and fingers. Vital signs are normal. Physical examination shows several 2-3 cm inflamed, erythematous plaques covered by a silvery-white scaly skin. X-rays of
his lumbar spine and hips show sacroiliitis on the left side. X-rays
of his hands show severe erosions of his distal interphalangeal
joints on the right. HLA-B27 is positive. Which of the following
diagnostic tests should most likely be performed in this patient?
aol876
A 24-year-old man comes to the emergency department because
of right knee pain that started ten days ago when he fell off his
motorcycle. Initially, he was able to ambulate; however, he has
had progressive swelling, redness, and limitation of movement
of his knee. The process causing destruction of cartilage in this
individual's knee is worsened because of which of the following?
am200179m
A 32-year-old woman comes to the physician because of a mass
in her left breast. A diagnosis of breast cancer is made and a
mastectomy is planned. During the procedure, involvement of the
muscle deep to the fatty tissue is seen and a radical mastectomy
with removal of the breast, underlying chest muscles, and lymph
nodes is performed. Removal of this muscle will most likely compromise which of the following functions?
am200260m
A 29-year-old primigravid woman at 30 weeks' gestation comes
to the physician with concerns of pain and numbness in her right
hand. She reports that her symptoms have progressed for the
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