Q1 ANAT Flashcards

1
Q

The most laterally placed of the three erector spinae components, the ____ group, is composed of three parts: cervical, thoracic, and lumbar.
a. Longissimus
b. Spinalis
c. iliocostalis

A

C

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2
Q

This muscle extends and rotates the vertebral column toward the opposite side of the body. Its inferior attachment is on the sacrum and transverse processes of each vertebra, and its superior attachment is the spinous processes of more superior vertebrae.

a. Multifidus
b. Interspinales
c. Intertransversarii
d. Rotators
e. Quadratus lumborum

A

A

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3
Q

Vertebral bodies are connected together by the:

a. ligamenta flava
b. ligamentum nuchae.
c. posterior longitudinal ligament.
d. intertransverse ligaments

A

a

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4
Q

Lateral curvature of the spine is called
a. scoliosis.
b. lordosis.
c. kyphosis.
d. convexity.

A

A

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5
Q

The sympathetic trunks are located:

a. superior to the brachial plexus.
b. inferior to the sacral plexus.
c. immediately lateral to the
vertebral column.
d. lateral to prevertebral ganglia.
e. in the craniosacral regions.

A

C

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6
Q

What is the name of the foramen that the spinal nerves exit the spinal cord through?

a. Foramen ovate
b. Intervertebral foramen
c. Vertebral foramen
d. Foramen of Monroe

A

b

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7
Q

Pollex refers to the:

a. eyebrow.
b.thumb.
c. great toe.
d. little finger.
e. kneecap.

A

B

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8
Q

The brachialis muscle is named by

a. location
b. function
c. shape
d. direction of fibers
e. size

A

A

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9
Q

The prime extensor of the elbow joint is the

a. deltoid muscle.
b. triceps brachii.
c. biceps brachii.
d. brachialis.
e. brachioradialis.

A

B

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10
Q

Which may occur as a result of muscle atrophy?

a. Muscle size is reduced.
b. Fibers become weaker.
c. Muscle loses tone.
d. Fibers waste away and die.
e. All of the choices are correct.

A

E

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11
Q

Which bone does not belong to the appendicular skeleton?

a. Femur
b. Calcaneus
c. Clavicle
d. Sacrum
e. Ulna

A

D

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12
Q

The only direct connection between the pectoral girdle and the axial skeleton is where the _____ articulates with the _____.

a. humerus; scapula
b. scapula; clavicle
c. scapula; thoracic cage
d. clavicle; humerus
e. clavicle; sternum

A

e

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13
Q

The bony projections that can be palpated medially and laterally at the wrist are the

a. medial and lateral epicondyles
b. spinous processes.
c. styloid processes.
d.medial and lateral malleoli.
e. greater and lesser trochanters.

A

C

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14
Q

Which is not a carpal bone?

a. Hamate
b. Trapezium
c. Capitulum
d. Scaphoid
e. Trapezoid

A

C

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15
Q

Which muscle is the one most commonly damaged in a rotator cuff injury?

a. Subscapularis
b. Teres major
c. Teres minor
d. Infraspinatus
e. Supraspinatus

A

E

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16
Q

The function of a retinaculum is to

a. prevent tendons from bulging outward.
b. hold several muscles together.
c. protect underlying soft tissue.
d. serve as an insertion for a group of muscles.
e. flatten the bellies of converging muscles.

A

A

17
Q

The median space in the thoracic cavity is called the:

a. pleural cavity.
b. pericardial cavity.
c. mediastinum.
d. peritoneal cavity.
e. pericardium.

A

C

18
Q

Which is not found in the mediastinum?

a. Heart
b. Thyroid
c. Thymus
d. Trachea
e. Esophagus

A

B

19
Q

The epicardium is another name for the

a. visceral layer of the serous pericardium.
b. parietal layer of the serous
c. pericardium.
d. myocardium.
e. myometrium.

A

A

20
Q

The internal wall surface of each ventricle displays large, smooth, irregular muscular ridges called

a. conus arteriosus.
b. atrioventricular opening.
c. trabeculae carneae.
d. chordae tendineae
e. pectinate muscles

A

C

21
Q

Typically, there are __________ papillary muscles that project from the wall of the left ventricle and attach to the chordae tendineae that support the left AV valve

a. three
b. two
c. a highly variable number of
d. six
e. no

A

B

22
Q

The left and right coronary arteries travel within the:

a. anterior interventricular sulcus.
b. posterior interventricular sulcus.
c. coronary sulcus.
d. interventricular septum.
e. interatrial septum.

A

C

23
Q

On each side of the chest, the _______ pleura lines the internal thoracic wall and the ______ pleura tightly covers the lung

a. thoracic; pulmonary
b. parietal; visceral
c. visceral; parietal
d. fibrous; serous
e. respiratory; pleural

A

B

24
Q

Which is not correct about the left lung?

a. It is slightly smaller than the right lung.
b. It has a cardiac impression.
c. It has a cardiac notch.
d. It has 2 lobes and 1 fissure.
e. It has no esophageal depression

A

E

25
Q

This muscle extends across the inner surface of the thoracic cage and attaches to ribs 2-6. It helps depress the ribs.

a. External intercostal
b. Scalene
c. Transversus thoracis
d. Internal intercostal
e. Serratus posterior inferior

A

C

26
Q

In the right lung, the superior and middle lobes are separated by the:

a. horizontal fissure
b. oblique fissure
c. Superior fissure.
d. Middle fissure.

A

A

27
Q

The majority of lymph from the breast enters the:

a. Anterior axillary lymph nodes
b. Posterior axillary lymph nodes
c. Apical axillary lymph nodes
d. Subclavian lymph nodes

A

A

28
Q

Which of the following is not a branch of the aortic arch?

a. left subclavian artery
b. brachiocephalic artery
c. left common carotid artery
d. right common carotid artery

A

D

29
Q

Which is not drained by the right lymphatic duct?

a. Right side of abdomen
b. Right side of thorax
c. Right side of head and neck
d. Right shoulder
e. Right arm

A

A.

30
Q

What is the function of the external intercostal muscle?

A

to elevate the ribs during forced inhalation

31
Q

what is the function of the internal intercostal muscle?

A

to depress the ribs during forced exhalation

32
Q

what is the function of the innermost intercostal muscle

A

to depress the ribs during forced exhalation

33
Q

what is the function the transversus thoracis mucles?

A

depress ribs during forced exhalation

34
Q

which lymph nodes are primarily responsible for lymphatic drainage of the breast?

A

Anterior axillary (pectoral) lymph nodes

35
Q

A 43-yr old woman with a history of breast cancer undergoes a double masectomy and after surgery, she presents with a winged scapula. Why did this happen?

A

injury to the long thoracic nerve causing paralysis of serratus anterior

36
Q

What are the rotator cuff muscles?

A

SITS
Supraspinatus
Infraspinatus
Teres minor
Subscapularis

37
Q

What is the function the supraspinatus muscle

A

initiates shoulder abduction

38
Q

what is the function of the infraspinatus muscle?

A

lateral shoulder rotation

39
Q

What is the fucntion the teres major muscle?

A

shoulder adduction