NOUN TMA Questions & Answers: NSC202 - Human Anatomy III

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NOUN TMA Questions & Answers: NSC202 - Human Anatomy III

Postby Jed » Mon Aug 05, 2019 5:15 am

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1 Parasympathetic neurons release which neurotransmitter?

Acetylcholine (ACh)

2 The somatic nervous system (SNS) is different from the autonomic nervous system in which way?

SNS motor neurons do not synapse at ganglia

3 Sympathetic nerves arise from the:

Thoracic and lumbar spinal cord

4 If you are being chased by a bear, your ________ nervous system functions have likely been put on hold.

Parasympathetic

5 All of the following are sympathetic responses, except:

Digestion

6 Which of the following body functions is controlled by the somatic nervous system?

Skeletal muscle movement

7 The cranial nerves that are purely sensory nerves are:

I, II, and VIII

8 Which of the following statements about cranial nerves is false?

They innervate only the head and neck

9 Which nerve carries sensory signals from taste buds?

IX

10 Which of the following nerves has only motor functions?

Hypoglossal

11 The optic nerve ends in the ________.

Thalamus


12 Cranial nerve X innervates which body part(s)?

Stomach

13 Impulses for hearing and euilibrium are carried through which cranial nerve?

VIII

14 Which cranial nerve connects directly to the cerebrum?

Olfactory

15 Which substance(s) cannot usually cross the blood􀳦??brain barrier?

Proteins

16 Which best describes the pathway of circulation for cerebrospinal fluid?

Lateral ventricles, third ventricle, fourth ventricle, central canal

17 Which of the following functions would typically be associated with the right hemisphere of the cerebrum?

Recognizing emotions

18 The function of the thalamus is to:

Relay sensory information to the cerebral cortex
Maintain consciousness
Relay motor commands to the brainstem
*** a and b

19 Which part of the brain is responsible for establishing emotional states?

Limbic system

20 The hypothalamus does all of the following, except:

Control voluntary muscle contraction




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Jed
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Re: NOUN TMA Questions & Answers: NSC202 - Human Anatomy III

Postby Jed » Mon Aug 05, 2019 5:17 am

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21 The primary function of the cerebellum is to:

Coordinate movement and muscle tone

22 Which structure is not part of the brainstem?

Cerebellum

23 Which of the following statements about cerebrospinal fluid is false?

It only circulates through the ventricles of the brain

24 What function does gray matter serve in spinal reflexes?

It acts as a processing center for the reflex Signal

25 Which spinal nerve roots form the brachial plexus?

C5􀳦??C8

26 Which plexus innervates muscles of the neck?

Cervical

27 The major nerve that passes from the level of the sacrum down the posterior leg is the ________ nerve.

Sciatic

28 The axillary nerve is a major nerve of the ________ plexus.

Brachial

29 Dorsal roots carry ________ signals into the spinal cord, while ventral roots carry ________ signals out of the spinal cord.

Sensory; motor

30 All of the following are true about gray and white matter in the spinal cord, except:

Gray matter passes information up and down the spinal cord

31 The innermost layer of the meninges of the spinal cord is the:

Pia mater

32 Which type of cells phagocytize debris in the central nervous system?

Microglia

33 When a neuron is not transmitting a signal, which of the following is true?

The net charge inside the cell is negative

34 A myelinated axon transmits a signal ________ a non-myelinated axon.

More quickly than

35 A signal moves through the parts of a single neuron in what order?

Dendrites, cell body, axon, axon terminals

36 Which of the following statements about neurotransmitters is false?

At a neuromuscular junction, acetylcholine has inhibitory effects

37 The wave of depolarization that is propagated down an axon is known as the:

Action potential

38 Signals are passed through the nervous system:

Electrically
Chemically
Mechanically
***a and b

39 In a resting state, the plasma membrane of a neuron is:

Polarized

40 A neuron receives signals at its:

Dendrites





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Jed
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Re: NOUN TMA Questions & Answers: NSC202 - Human Anatomy III

Postby Jed » Mon Aug 05, 2019 5:21 am

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61 Which of the following area of the eye has the greatest sensitivity to light?.

The macula (fovea centralis)

62 The fovea of the eye

is the region of highest visual acuity

63 Visual accommodation involves

contraction of the ciliary muscle

64 In vision, light passing through the ________ is refracted and projected onto the ________.

Lens, retina

65 Which of the following are incorrectly paired?

Otoliths􀳦?semicircular canals

66 The smallest bones in the ear are collectively known as the?

Ossicles

67 The ear drum is otherwise known as the?

Tympanic membrane

68 Which of the following structures is not found in the inner ear?

Cochlea nuclei

69 What structure provides the boundary between the outer and middle ear?

Tympanic membrane

70 Vibrations are transferred through the ear in which order?

Tympanic membrane, malleus, incus, stapes, cochlea

71 The bipolar cells of the olfactory epithelium pass to what brain structure?

Olfactory bulb

72 A complete loss of smell is referred to as:

Anosmia

73 There are approximately --------------different odorant receptors, which can react to odorants of different sizes, shapes, and functional groups.

1000

74 Impulses generated by olfactory receptors in the nasal mucous membrane

pass to the mitral cells and from there directly to the olfactory cortex

75 The odorant-binding olfactory receptor proteins, found on the cilia of olfactory sensory neurons, are what type of receptor proteins?

G-protein coupled receptors

76 The neurotransmitters stimulate action potentials in the sensory neurons, which are conducted to the brain, where the sense of------------- is perceived.

Taste

77 The term 􀳦??gustation􀳦?􀳦 refers to what sense?

Taste

78 Which of the following is not one of the primary tastes?

Spicy

79 The term 􀳦??olfaction􀳦?􀳦 explicitly refers to which sense?

Smell

80 Which of the following is not a basic taste sensation of the tongue?

Hot




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Re: NOUN TMA Questions & Answers: NSC202 - Human Anatomy III

Postby Jed » Mon Aug 05, 2019 5:23 am

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41 Stress stimulates the ________ to produce hormones that ramp up body activity in the fightor- flight response.

Adrenal glands

42 One of the hormones released by the kidneys is:

Erythropoietin

43 The pancreatic islets are clusters of cells in the pancreas that secrete the following hormones, except:

Testosterone

44 Low blood glucose causes alpha cells of the pancreas to release ________, which triggers the release of glucose by the liver.

Glucagon

45 The pineal gland produces the hormone ________ which protects nervous tissue and regulates sleeping patterns.

Melanin

46 The adrenal glands are located superior to the kidneys on either side of the:

Vertebral column

47 Corticosteroids are hormones that affect the breakdown of proteins and the reabsorption of water and sodium. They are produced by the:

Adrenal cortex

48 The parathyroid glands secrete ________ which increases calcium levels in the blood by stimulating the bones, intestines, and kidneys.

Parathyroid hormone

49 The thyroid gland releases the hormones thyroxine (T4) and triiodothyronine (T3), which do the following, except:

Prohibit protein synthesis

50 The thyroid gland is located ________ the trachea and ________ the larynx.

Anterior to, inferior to

51 All of the following are functions of human growth hormone, except:

Regulation of urine output

52 Which hormone is responsible for milk production in a new mother?

Prolactin (PRL)

53 Which hormone causes the adrenal glands to produce steroid hormones that influence the metabolism of glucose?

Adrenocorticotropic hormone (ACTH)

54 Which hormones are produced in the hypothalamus and stored in the posterior pituitary?

Antidiuretic hormone (ADH) and Oxytocin (OXT)

55 Hormones do all of the following, except:

Get secreted by glands through hollow ducts

56 One type of hormone produced by the anterior lobe of the pituitary gland regulates:

Growth

57 What does the pituitary gland produce?

Hormones

58 The hypothalamus releases regulatory hormones into the hypophyseal portal system, a closed capillary bed around the:

Anterior pituitary gland

59 The ________ gland oversees metabolism and growth, while the ________ oversees immune responses.

Thyroid, thymus

60 The following body functions are regulated by glands in the endocrine system, except:

Urine production





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