BLOCK 7 - QUIZ 1 CONTENT| TOP SCORES MADE SIMPLE
| TRUSTED TEST SOLUTIONS!
Endocrine system Answer: Secrete hormones directly into circulatory system to
coordinate systems
- Highly vascularized and cells contains vacuoles storing products
What system secretes hormones directly into circulatory system to coordinate systems
- Highly vascularized and cells contains vacuoles storing products Answer: Endocrine
system
Exocrine system Answer: Secrete products outside body via ducts
What system secrete products outside body via ducts Answer: Exocrine system
Pituitary gland location Answer: Head
What gland is located in the head? Answer: Pituitary gland
Thyroid, parathyroid gland location Answer: Neck
What glands are located in the neck? Answer: Thyroid, parathyroid glands
Pancreas, suprarenal (adrenal) gland location Answer: Abdomen
What glands are located in the abdomen? Answer: Pancreas, suprarenal (adrenal)
glands
Layers of the neck Answer: - Alimentary layer: Esophagus
- Respiratory layer: Trachea
- Endocrine layer: Thyroid, parathyroid glands
Thyroid gland relationship to other structures Answer: Deep to sternothyroid and
sternohyoid muscles
- Spans C5 - T1
What gland is deep to sternothyroid and sternohyoid muscles Answer: Thyroid gland
What gland spans C5 - T1 Answer: Thyroid gland
Thyroid gland vertebral levels Answer: C5 - T1
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
,What gland is comprised of two lobes connected by an isthmus surround cricoid
cartilage and superior trachea Answer: Thyroid gland
Hyoid vertebral level Answer: C4-C5
Laryngeal prominence of thyroid cartilage vertebral level Answer: C5-C6
Isthmus of thyroid gland surround cricoid and superior trachea vertebral level Answer:
C7
Why are cartilage rings 2-4 more difficult to palpate Answer: Surrounded by isthmus of
the thyroid gland
What structures are surrounded by isthmus of the thyroid gland Answer: Cartilage rings
2-4
Thyroid gland blood supply Answer: External carotid and subclavian arteries
- External carotid artery branches into superior thyroid artery
- Subclavian arteries branches into thyrocervical trunk, which branches into inferior
thyroid artery
External carotid and subclavian arteries supply what gland? Answer: Thyroid gland
Superior thyroid artery is a branch of what artery? Answer: External carotid artery
External carotid artery branches into what artery that supplies the thyroid gland
Answer: Superior thyroid artery
Inferior thyroid artery is a branch of what artery Answer: Thyrocervical trunk, which is a
branch of the subclavian artery
Subclavian artery branches into what arteries that supply the thyroid Answer:
Thyrocervical trunk, which branches into the inferior thyroid artery
What veins drain the thyroid gland Answer: - Superior and middle thyroid veins -> Drain
to internal jugular vein
- Inferior thyroid vein -> Drains to brachiocephalic vein
What thyroid veins drain to internal jugular vein Answer: Superior and middle thyroid
veins
What thyroid veins drain to brachiocephalic veins Answer: Inferior thyroid veins
Superior thyroid vein drains to? Answer: Internal jugular vein
Middle thyroid vein drains to? Answer: Internal jugular vein
2
APPHIA - Crafted with Care and Precision for Academic Excellence.
,Inferior thyroid vein drains to? Answer: Brachiocephalic vein
Thyroid ima artery Answer: Variant artery that occurs in 10% of population and can
branch off many vessels and supply the thyroid
- Verification of a thyroid ima prior to procedures in the midline of the neck is critical as
laceration can cause significant hemorrhage
Variant artery that occurs in 10% of population and can branch off many vessels and
supply the thyroid Answer: Thyroid ima artery
Verification of what variant artery to procedures in the midline of the neck is critical as
laceration can cause significant hemorrhage? Answer: Thyroid ima artery
What veins form the thyroid venous plexus Answer: - Superior and middle thyroid veins
-> Drain to internal jugular vein
- Inferior thyroid vein -> Drains to brachiocephalic vein
Parathryoid gland location Answer: Four small glands posterior to thyroid
Four small glands posterior to thyroid Answer: Parathryoid gland
Parathryoid gland venous drainage Answer: Parathyroid veins -> drain to thyroid plexus
Where do Parathyroid veins drain? Answer: Thyroid plexus
Inferior thyroid artery supplies what glands Answer: - Thyroid gland
- Parathyroid gland
What artery supplies the parathyroid gland? Answer: Inferior thyroid artery
- Branch of the thyrocervical trunk, which branches off of the subclavian artery
Thyroid and Parathyroid gland innervation Answer: - External laryngeal nerve
- Middle cervical sympathetic ganglion
- Left recurrent laryngeal nerve
- Vagus nerve (CN X)
- External laryngeal nerve
- Middle cervical sympathetic ganglion
- Left recurrent laryngeal nerve
- Vagus nerve (CN X)
Provides innervation to what glands Answer: Thyroid and Parathyroid glands
3
APPHIA - Crafted with Care and Precision for Academic Excellence.
, Sympathetic nerves synapsing in superior, middle, and inferior cervical ganglia supply
what glands Answer: Thyroid and Parathyroid glands
Thyroid and Parathyroid glands PSNS supply Answer: Vagus nerve (CN X) via the
superior laryngeal n.
The Vagus nerve (CN X) via the superior laryngeal n. provides PSNS innervation to
what glands? Answer: Thyroid and Parathyroid glands
Superior laryngeal nerve location Answer: Runs with superior thyroid artery and vein
What nerve runs with superior thyroid artery and vein Answer: Superior laryngeal nerve
- Branches into the vagus nerve (CN X)
What nerve branches into the vagus nerve (CN X) Answer: Superior laryngeal nerve
Superior laryngeal nerve branches into what nerve that innervates the Thyroid and
Parathyroid glands Answer: Vagus nerve (CN X)
What nerve recurs around the subclavian a. (R) and arch of aorta (L) Answer:
Recurrent Laryngeal Nerve
Recurrent Laryngeal Nerve location Answer: Around the subclavian a. (R) and arch of
aorta (L)
Unilateral damage to recurrent laryngeal nerve Answer: Hoarseness or breathiness
and can be asymptomatic for several days
Bilateral damage to recurrent laryngeal nerve Answer: presents immediately as stridor
or respiratory distress
[Unilateral/Bilateral] damage to the recurrent laryngeal nerves results in Hoarseness or
breathiness and can be asymptomatic for several days Answer: Unilateral damage to
recurrent laryngeal nerve
[Unilateral/Bilateral] damage to the recurrent laryngeal nerves presents immediately as
stridor or respiratory distress Answer: Bilateral damage to recurrent laryngeal nerve
Damage to thyroid arteries causes? Answer: Swelling, pain, and airway obstruction
Damage to superior laryngeal nerve Answer: Hoarse voice, vocal fatigue, diminished
vocal frequency (reduced ability to increase pitch)
- CN X damage
Hoarse voice, vocal fatigue, diminished vocal frequency (reduced ability to increase
pitch) is caused by damage to what nerve? Answer: Superior laryngeal nerve (CN X
damage)
4
APPHIA - Crafted with Care and Precision for Academic Excellence.
| TRUSTED TEST SOLUTIONS!
Endocrine system Answer: Secrete hormones directly into circulatory system to
coordinate systems
- Highly vascularized and cells contains vacuoles storing products
What system secretes hormones directly into circulatory system to coordinate systems
- Highly vascularized and cells contains vacuoles storing products Answer: Endocrine
system
Exocrine system Answer: Secrete products outside body via ducts
What system secrete products outside body via ducts Answer: Exocrine system
Pituitary gland location Answer: Head
What gland is located in the head? Answer: Pituitary gland
Thyroid, parathyroid gland location Answer: Neck
What glands are located in the neck? Answer: Thyroid, parathyroid glands
Pancreas, suprarenal (adrenal) gland location Answer: Abdomen
What glands are located in the abdomen? Answer: Pancreas, suprarenal (adrenal)
glands
Layers of the neck Answer: - Alimentary layer: Esophagus
- Respiratory layer: Trachea
- Endocrine layer: Thyroid, parathyroid glands
Thyroid gland relationship to other structures Answer: Deep to sternothyroid and
sternohyoid muscles
- Spans C5 - T1
What gland is deep to sternothyroid and sternohyoid muscles Answer: Thyroid gland
What gland spans C5 - T1 Answer: Thyroid gland
Thyroid gland vertebral levels Answer: C5 - T1
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
,What gland is comprised of two lobes connected by an isthmus surround cricoid
cartilage and superior trachea Answer: Thyroid gland
Hyoid vertebral level Answer: C4-C5
Laryngeal prominence of thyroid cartilage vertebral level Answer: C5-C6
Isthmus of thyroid gland surround cricoid and superior trachea vertebral level Answer:
C7
Why are cartilage rings 2-4 more difficult to palpate Answer: Surrounded by isthmus of
the thyroid gland
What structures are surrounded by isthmus of the thyroid gland Answer: Cartilage rings
2-4
Thyroid gland blood supply Answer: External carotid and subclavian arteries
- External carotid artery branches into superior thyroid artery
- Subclavian arteries branches into thyrocervical trunk, which branches into inferior
thyroid artery
External carotid and subclavian arteries supply what gland? Answer: Thyroid gland
Superior thyroid artery is a branch of what artery? Answer: External carotid artery
External carotid artery branches into what artery that supplies the thyroid gland
Answer: Superior thyroid artery
Inferior thyroid artery is a branch of what artery Answer: Thyrocervical trunk, which is a
branch of the subclavian artery
Subclavian artery branches into what arteries that supply the thyroid Answer:
Thyrocervical trunk, which branches into the inferior thyroid artery
What veins drain the thyroid gland Answer: - Superior and middle thyroid veins -> Drain
to internal jugular vein
- Inferior thyroid vein -> Drains to brachiocephalic vein
What thyroid veins drain to internal jugular vein Answer: Superior and middle thyroid
veins
What thyroid veins drain to brachiocephalic veins Answer: Inferior thyroid veins
Superior thyroid vein drains to? Answer: Internal jugular vein
Middle thyroid vein drains to? Answer: Internal jugular vein
2
APPHIA - Crafted with Care and Precision for Academic Excellence.
,Inferior thyroid vein drains to? Answer: Brachiocephalic vein
Thyroid ima artery Answer: Variant artery that occurs in 10% of population and can
branch off many vessels and supply the thyroid
- Verification of a thyroid ima prior to procedures in the midline of the neck is critical as
laceration can cause significant hemorrhage
Variant artery that occurs in 10% of population and can branch off many vessels and
supply the thyroid Answer: Thyroid ima artery
Verification of what variant artery to procedures in the midline of the neck is critical as
laceration can cause significant hemorrhage? Answer: Thyroid ima artery
What veins form the thyroid venous plexus Answer: - Superior and middle thyroid veins
-> Drain to internal jugular vein
- Inferior thyroid vein -> Drains to brachiocephalic vein
Parathryoid gland location Answer: Four small glands posterior to thyroid
Four small glands posterior to thyroid Answer: Parathryoid gland
Parathryoid gland venous drainage Answer: Parathyroid veins -> drain to thyroid plexus
Where do Parathyroid veins drain? Answer: Thyroid plexus
Inferior thyroid artery supplies what glands Answer: - Thyroid gland
- Parathyroid gland
What artery supplies the parathyroid gland? Answer: Inferior thyroid artery
- Branch of the thyrocervical trunk, which branches off of the subclavian artery
Thyroid and Parathyroid gland innervation Answer: - External laryngeal nerve
- Middle cervical sympathetic ganglion
- Left recurrent laryngeal nerve
- Vagus nerve (CN X)
- External laryngeal nerve
- Middle cervical sympathetic ganglion
- Left recurrent laryngeal nerve
- Vagus nerve (CN X)
Provides innervation to what glands Answer: Thyroid and Parathyroid glands
3
APPHIA - Crafted with Care and Precision for Academic Excellence.
, Sympathetic nerves synapsing in superior, middle, and inferior cervical ganglia supply
what glands Answer: Thyroid and Parathyroid glands
Thyroid and Parathyroid glands PSNS supply Answer: Vagus nerve (CN X) via the
superior laryngeal n.
The Vagus nerve (CN X) via the superior laryngeal n. provides PSNS innervation to
what glands? Answer: Thyroid and Parathyroid glands
Superior laryngeal nerve location Answer: Runs with superior thyroid artery and vein
What nerve runs with superior thyroid artery and vein Answer: Superior laryngeal nerve
- Branches into the vagus nerve (CN X)
What nerve branches into the vagus nerve (CN X) Answer: Superior laryngeal nerve
Superior laryngeal nerve branches into what nerve that innervates the Thyroid and
Parathyroid glands Answer: Vagus nerve (CN X)
What nerve recurs around the subclavian a. (R) and arch of aorta (L) Answer:
Recurrent Laryngeal Nerve
Recurrent Laryngeal Nerve location Answer: Around the subclavian a. (R) and arch of
aorta (L)
Unilateral damage to recurrent laryngeal nerve Answer: Hoarseness or breathiness
and can be asymptomatic for several days
Bilateral damage to recurrent laryngeal nerve Answer: presents immediately as stridor
or respiratory distress
[Unilateral/Bilateral] damage to the recurrent laryngeal nerves results in Hoarseness or
breathiness and can be asymptomatic for several days Answer: Unilateral damage to
recurrent laryngeal nerve
[Unilateral/Bilateral] damage to the recurrent laryngeal nerves presents immediately as
stridor or respiratory distress Answer: Bilateral damage to recurrent laryngeal nerve
Damage to thyroid arteries causes? Answer: Swelling, pain, and airway obstruction
Damage to superior laryngeal nerve Answer: Hoarse voice, vocal fatigue, diminished
vocal frequency (reduced ability to increase pitch)
- CN X damage
Hoarse voice, vocal fatigue, diminished vocal frequency (reduced ability to increase
pitch) is caused by damage to what nerve? Answer: Superior laryngeal nerve (CN X
damage)
4
APPHIA - Crafted with Care and Precision for Academic Excellence.