URR 54 Flashcards

(100 cards)

1
Q

___ orchitis most commonly caused by STD

A

Bacteria

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2
Q

___ orchitis is most commonly caused by mumps

A

Viral

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3
Q

most common cause of acute scrotal pain in post-pubertal men

A

acute epididymitis

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4
Q

most common cause of acute scrotal pain in prepubertal boys

A

torsion of the appendix testis

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5
Q

most common cause of painless swelling

A

hydrocele

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6
Q

____ area a common residual effect of a vasectomy

A

spermatic granulomas

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7
Q

most common cause of male infertility

A

varicoceles

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8
Q

Varicoceles are more common the __ side

A

left

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9
Q

most common malignancy in men 15-35 years of age

A

testicular cancer

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10
Q

most common “pure” germ cell tumor of testes

A

seminomas

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11
Q

___ most commonly occur in men 30-50 years of age

A

Seminomas

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12
Q

____ are the most common non-seminomatous germ cell tumor

A

Mixed germ cell tumors

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13
Q

second most common primary malignancy of the testicles

A

mixed germ cell tumors

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14
Q

____ most commonly occur in men aged 20-30 years

A

Mixed germ cell tumors

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15
Q

most common testicular tumor in patients <2 years of age

A

Yolk Sac Tumor

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16
Q

Testicular metastasis most commonly occurs from a __ or __ primary

A

prostate
lung

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17
Q

the most common secondary malignancy of the testses

A

lymphoma

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18
Q

most common bilateral testicular tumor

A

lymphoma

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19
Q

most common extratesticular tumor

A

adenomatoid tumors

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20
Q

If a varicocele is identified on the right side:
a. the abdomen should be evaluated for lymphadenopathy
b. the abdomen should be evaluated for mass formation causing IVC compression
c. the bladder should be evaluated for calculi
d. the bladder should be evaluated for infection

A

b

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21
Q

If a varicocele is identified on the left side:
a. the left kidney should be evaluated for mass formation
b. the portal system should be evaluated for hypertension
c. the left renal artery should be evaluated for stenosis
d. the bladder should be evaluated for calculi

A

a

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22
Q

Which of the following leads to increased incidence of the left sided varicoceles?
a. Marfan syndrome
b. Ehlers Danlos Syndrome
c. Nutcracker syndrome
d. Median arcuate ligament syndrome

A

c

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23
Q

When evaluating a patient for a suspected varicocele, the patient should be scanned;
a. while performing the Valsalva strain
b. while standing
c. while supine
d. all the above

A

d

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24
Q

Which of the following is a critical finding on scrotal ultrasound?
a. varicocele
b. torsion
c. Nutcracker syndrome
d. all the above

A

b

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25
Which of the following structures can undergo torsion? a. testicle b. epididymis c. appendage d. all the above
d
26
How is testicular torsion diagnosed? a. comparing the PW Doppler of the centripetal arteries on both sides b. comparing the size of the testicular veins on both sides c. comparing PW Doppler signals from the centripetal arteries on the affected side, with and without the Valsalva maneuver d. comparing the echogenicity of the testicle to the epididymis
a
27
If flow is identified in both testicles, but the RI values differ greatly, __ should be strongly suspected. a. complete torsion of the epididymis on the affected side b. partial torsion in the side with the lower RI value c. partial torsion on the side with the higher RI value d. complete torsion of the appendage
c
28
Which of the following is a risk factor for torsion? a. men over 60 years b. bell clapper deformity c. small testicles d. all the above
b
29
Which of the following statements describes the appearance of a testicular prosthetic on the US image? a. homogenous, hypoechoic structure with sound attenuation posteriorly causing decreased visibility of the posterior borders of the prosthesis b. solid, round structure with homogeneous, hypoechoic texture compared to native teste c. round structure with reflective borders and an anechoic lumen d. solid, oblong structure with homogenous, hypoechoic texture compared to the native testes
c
30
Which of the following suspected abnormalities should be evaluated by asking the patient to perform the valsalva maneuver? a. hernia b. varicocele c. Nutcracker syndrome d. all the above
d
31
Which of the following in a non-inflammatory cause for scrotal wall thickening? a. orchitis b. epididymitis c. congestive heart failure d. systemic hypertension
c
32
The thyroid begins to form at about __ weeks gestational age
4
33
Sac-like structure at the base of the tongue in the region of the 2nd and 3rd pharyngeal pouches
thyroid
34
The thyroid is attached midline to the pharnyx by the ___
thyroglossal duct
35
The thyroglossal duct should regress as the thyroid descends to just below the level of the ____
larynx
36
Functional thyroid tissues (follicles) are formed by __ weeks gestational age
10
37
Composed of right and left halves connected across the midline by the isthmus at the level of the:
lower third of the gland
38
1% of people are born without a ___ lobe or fail to form ___
left isthmus
39
refers to cone-like mass of thyroid tissue protruding from the isthmus, normal variant
pyramid lobe
40
___ layers of connective tissue cover the thyroid gland
2
41
Outer layer of connective tissue that covers the thyroid gland
pretrachial fascia
42
Inner layer of connective tissue that covers the thyroid gland
true capsule
43
The thyroid ____ consists of colloid filled follicles surrounded by stroma, vessels, and connective tissue
parenchyma
44
The adult thyroid gland in inferior to the ____ and anterior to the ___
larynx trachea
45
The ____ muscles are anterolateral to the thyroid gland
sternocleidomastoid
46
The ___ lies anteromedially to the thyroid gland
strap muscles
47
The ___ muscles are posterior to the thyroid gland
longus colli
48
The common carotid artery and the internal jugular vein border the thyroid gland ___
laterally
49
The ____ courses between the CCA and IJV posterior lateral to the thyroid gland
vagus nerve
50
The ____ is located posterior and medial to the left lobe of the thyroid gland
esophagus
51
The thyroid measures __-__ cm in length
4 6
52
The thyroid measures __-__ cm in width
1.5 2
53
The thyroid measures _-__ cm AP
1.3 1.8
54
An AP dimension over __ indicates thyroid gland enlargement
2cm
55
Normal isthmus measures __-__ mm in AP
2 6
56
Thyroid volume equation
L x W x H X 0.529
57
Average volume of thyroid
19 mL
58
Thyroid volume increases with ___ and ___
age body weight
59
___, ___, and ___ can also increase thyroid gland volume
iodine deficiency acute hepatitis chronic renal failure
60
___, ___, and ____ can cause decreased thyroid gland volume
chronic hepatitis thyroxine treatment radioactive iodine treatment
61
What are the 3 branches of the aortic arch?
innominate artery left CCA left subclavian artery
62
The innominate artery gives rise to the ____ and the ____
right CCA right subclavian artery
63
The Right CCA originates at the ____ and terminates at the ____
innominate artery bifurcation into the ECA and ICA
64
The left CCA originates at the ___ and terminates at the ____
aortic arch ECA and ICA bifurcation
65
The superior and anterior thyroid gland is supplied by the ___, which is an ECA branch
superior thyroidal artery
66
The inferior and posterior thyroid gland is supplied by the ____, which originates from the thyrocervical trunk of the subclavian artery
inferior thyroidal artery
67
The superior and anterior thyroid gland is drained by the ___ which empties into the internal jugular vein
superior thyroidal vein
68
The inferior and posterior thyroid gland is drained by the ____ which empties into the innominate vein
inferior thyroidal vein
69
Jugular veins course ___ to the carotid arteries
lateral
70
The ____ merges with the ___ to form the innominate vein
internal jugular vein subclavian vein
71
The right and left innominate veins merge to form the ___
superior vena cava
72
The thyroid regulates ___ through the action of hormones
metabolism
73
Thyroid hormones
triiodothyronine (T3) Thyroxine (T4) calcitonin
74
The ____ is stimulated by a low metabolic rate and releases thyrotropin, which stimulates the ___ to release the thyroid stimulating hormone
hypothalamus anterior pituitary gland
75
When the metabolic rate goes up, the hypothalamus stops producing ___ and TSH levels drop
thyrotropin
76
TSH causes the thyroid gland to produce __(10%) and __ (90%)
T3 T4
77
The thyroid normally produces higher levels of __ than ___
T4 T3
78
T3 and T4 and produced in the ____ and secreted as ___
follicles colloid
79
functional unit of thyroid gland
follicles
80
suspension of particles and solute
colloid
81
T3 and T4 need __ for production
iodine
82
If there is an ____ in the blood, the T3 and T4 levels are low= the body responds by producing more thyroid tissue to produce more T3 and T4
iodine deficiency
83
hormone made in the thyroid tissues around the follicles (parafollicular cells)
Calcitinon
84
___ decreased the level of calcium in the blood
calcitonin
85
___ increased calcium levels in the blood
parathyroid hormone
86
increased production of thyroid hormones T3 and T4
hyperthyroidism
87
Clinical symptoms of hyperthyroidism
anxiety weight loss nervousness sweating tachycardia enlarged gland hypercalcemia decreased TSH related to amount of T3 and T4 being produced
88
Hyperthyroidism is associated with ___, ___, ___
Graves' disease follicular carcinoma thyroiditis
89
Treatment for hyperthyroidism
Radioactive iodine treatment - ingestion causes thyroid to shrink
90
decreased production of thyroid hormones T3 and T4
hypothyroidism
91
Clinical symptoms of hypothyroidism
lethargy sluggish reactions deep voice obesity increased TSH without T3 and T4 increase
92
Hypothyroidism is associated with ___ and ___
excessive iodine Hashimoto thyroiditis
93
Treatment for Hypothyroidism
Synthroid hormone
94
Symptoms/indications of thyroid exam
palpable neck mass abnormal nuc med scan abnormal lab work/hormone levels F/U surgery pain difficulty swallowing HX radiation exposure trauma
95
For a thyroid exam, how should the patient be positioned?
supine with hyperextension of the neck, or place a pillow under the shoulders of the patient
96
Probe used for thyroid exam
>7.5 MHz linear
97
Thyroid tissue should be ___ to the surrounding muscles and vessels, but less echogenic than surrounding cartilage and fascia
hyperechoic
98
round anechoic structure lateral to each thyroid lobe in transverse view
CCA
99
ovoid anechoic structure lateral to each lobe in transverse view; usually lateral to CCA
internal jugular vein
100
echogenic curved structure with reverberation artifact posteriorly
trachea