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comps - bioscience > Review questions > Flashcards

Review questions Flashcards

1
Q

The ______ ______ artery is a blood vessel that transports oxygenated blood to the heart

A

Left coronary artery

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2
Q

The _______ _____ & ______ ____ muscles function to adduct and medially rotate the arm at the shoulder joint

A

pectoralis major & latissimus dorsi

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3
Q

C1 is an _______ vertebrae due to its lack of a body & spinous process

A

atypical

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4
Q

Which structure functions to absorb light & contains sensory receptors?

A

retina

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5
Q

_____ & ______ are unique to the small intestine

A

villi & microvilli

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6
Q

Dura mater has a ________ layer & is tough

A

double

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7
Q

The extensor carpi ulnaris inserts at the base of the ________ metacarpal

A

5th

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8
Q

The ______ & ______ bones join to create the obturator foramen

A

ischium & pubis

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9
Q

Which structure is located on & covers the external surface of the lungs?

A

Pleura

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10
Q

The ______, a uterine structure, normally projects into the vagina

A

cervix

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11
Q

_________ islet cells secrete insulin

A

Pancreatic

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12
Q

The scaphoid, lunate, triquetrum & pisiform are bones located where?

A

the hand

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13
Q

Which muscle functions to dorsiflex & invert the foot?

A

Tibialis anterior

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14
Q

What is the name of the peritoneal membrane that extends from the greater curvature of the stomach passing in front of the small intestine?

A

greater omentum (Lesser omentum covers LV)

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15
Q

The posterior deltoid muscle ________ the scapula

A

elevates

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16
Q

What is the largest nerve PERIPHERAL in the human body?

A

Sciatic

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17
Q

What are two bones of the paranasal sinuses?

A

sphenoid & ethmoid

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18
Q

What is a function of the cerebellum?

A

Coordination of skilled movements & equilibrium

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19
Q

What are the major functions of the neuroglia (glial cells)?

A

Support for the neurons & removal of debris

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20
Q

Which cranial nerve is responsible for pupillary & accomondation reflexes?

A

CN II - sensory & CN III - motor

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21
Q

_________ tissue contains osteoblasts, chondroblasts & fibroblasts?

A

Connective

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22
Q

Major function of the lymph nodes?

A

to scavenge antigens & activate lymphocytes

23
Q

Which specialized heart structure is responsible for cardiac autorythmicity?

A

Sinoatrial node

24
Q

The dermatomes of the shoulder are innvervated by which spinal nerves?

A

C4, C5 & C6

25
Q

What is the correct topographic location of areas of the brain from the most superior to inferior in direction?

A

Cerebrum — Diencephalon —– midbrain —– pons —- medulla oblongata

26
Q

Which cranial nerve controls the muscle that is responsible for abducting the eyeball?

A

CN 6

27
Q

At what level does the 8th cervical spinal nerve emerge from the spinal cord?

A

Between C7 & T1

28
Q

Which spinal cord tract is also known as the pyramidal tract?

A

corticospinal

29
Q

An injury of which spinal nerve will result in inability to contract the diaphragm?

A

C3-C5 - keeps the diaphragm alive

30
Q

Injury to which nerve may result in an inability to adduct & abduct the 2nd to 5th fingers & the development of a “claw hand”?

A

ulnar

31
Q

Which bone of the skull contains the mandibular fossa, mastoid process, styloid process & zygomatic process?

A

temporal

32
Q

In humans, which blood vessels have the thinnest walls?

A

capillaries

33
Q

Does the optic lens contain capillaries?

A

NO, transparent and lacks blood vessels. It is enclosed by a clear connective tissue capsule and held in position by encircling zonular fibers, which attach to the ciliary processes.

34
Q

The right atrium of the heart receives blood from coronary sinus & _______ _____

A

vena cava

35
Q

The ______ _______ secretes both glucocorticoids & mineral corticoids

A

adrenal cortex

36
Q

_____________ work to stimulate clotting

A

thrombocytes

37
Q

Which structure functions to produce the voice?

A

larynx

38
Q

Which portion of the colon lies between the descending colon and the rectum?

A

sigmoid colon

39
Q

Which organs works to store glycogen?

A

LV

40
Q

Which organ requires the presence of surfactant for proper function?

A

lungs

41
Q

Which gland is stimulated by ACTS (Adrenocorticotropic hormone)?

A

Adrenal

42
Q

Transmission of electrical impulses from one neuron to the next happens via _______ or _________ synapses

A

chemical or electrical

43
Q

Which nodes normally initiates & controls cardiac muscle contractions?

A

Sinoatrial

44
Q

Inactivation of the sodium-potassium pump will most likely contribute to what?

A

Intracellular swelling

45
Q

Which pair of structural fiber proteins is common to both skeletal & smooth muscle structures?

A

actin & myosin

46
Q

Which sets of structures act as the greatest blood reservoir of the body?

A

veins & venules

47
Q

ADH effect on the kidney: it ________ reabsorption of water by the collecting tubules

A

increases

48
Q

Which endocrine hormone is synthesized within the hypothalamus & is released into blood circulation from the posterior pituitary?

A

Oxytocin

49
Q

The Frank-Starling law of the heart states that the force of cardiac muscle contraction….

A

is proportional to the degree of stretch by the end-diastolic blood volume

50
Q

_________ of the heart is the degree of cardiac muscle stretch at the end of diastole

A

preload

51
Q

Does facilitated diffusion require expenditure of ATP?

A

NO

52
Q

Where does Oxidative phosphorylation take place within a cell?

A

Mitochondria

53
Q

Are lipids a source for transport molecules?

A

No, lipids are a source for energy, steroid hormones & prostaglandins

comps - bioscience (1 decks)

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