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1020 Biosciences 2 > Quizes + Mock exam > Flashcards

Quizes + Mock exam Flashcards

1
Q

What is responsible for detecting blood pressure?

A

Baroreceptors

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2
Q

What is regulated by negative feedback?

A

Blood glucose concentration

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3
Q

What best describes the production of heat?

A

Thermogenesis

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4
Q

Complete the following sentence: The endocrine system maintains homeostasis by releasing…

A

hormones.

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5
Q

Complete the following sentence: The part of the brain that maintains homeostasis by linking together the activities of the endocrine and nervous systems is called the…

A

hypothalamus

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6
Q

Complete the following sentence: Calcium homeostasis is controlled by…

A

parathyroid hormone.

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7
Q

Complete the following sentence: In a negative feedback system, the response of the effector to a stimulus…

A

inhibits the original stimulus.

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8
Q

What is the correct order in which inhaled air sequentially moves through the structures of the respiratory passageway?

A

pharynx, larynx, trachea, bronchi, bronchioles

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9
Q

Compliance is affected by the amount of elastic tissue in the lung and the…

A

amount of surfactant.

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10
Q

The exchange of gases between blood in the systemic capillaries and tissue cells is called…

A

internal respiration.

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11
Q

Movement of fluids and solutes out of capillaries into the interstitial fluid occurs by filtration, which is driven by…

A

blood hydrostatic pressure

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12
Q

The inflammatory response is part of the …

A

non-specific immune response

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13
Q

The ‘first line’ of defence in any immune response are the…

A

anatomical and chemical barriers

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14
Q

Where do T-lymphocytes mature before their release into the blood?

A

Thymus

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15
Q

An example of a chemical mediator of inflammation is…

A

histamine

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16
Q

Which antibody can cross the placenta?

A

IgG

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17
Q

The daily intake and loss of fluid is approximately?

A

2500mls

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18
Q

What is the % fluid in a typical adult?

A

50-70%

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19
Q

The excessive production of urine is called…

A

Polyuria

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20
Q

About two thirds of body fluid is located in the…

A

intracellular fluid

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21
Q

Which of the following endocrine glands secretes antidiuretic hormone?

A

Pituitary gland

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22
Q

Which of the following is the basic functional unit of the kidney?

A

Nephron

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23
Q

Which of the following is represents the correct order of anatomical strcutures in the nephron?

A

Glomerulus, proximal tubule, descending loop of Henle, ascending loop of Henle, distal tubule

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24
Q

Which of the following is a component of the vascular system of the kidney?

A

Glomerulus

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25
Q

The region where the ureter leaves the kidney is called the…

A

Renal hilum

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26
Q

What substance usually remains in the glomerulus during filtration?

A

Albumin

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27
Q

Which of the following is secreted by the juxtaglomerular cells?

A

Renin

28
Q

Which of the following is not normally present in urine?

A

Glucose

29
Q

The most common neurotransmitter at the somatic neuromuscular junction is…

A

acetylcholine

30
Q

The gaps between myelinated segments of an axon are called…

A

nodes of Ranvier

31
Q

Cerebrospinal fluid is produced in the…

A

choroid plexus

32
Q

Stimulation of the sympathetic nervous system results in…

A

tachycardia

33
Q

A nerve impulse travels along a myelinated fibre faster than an unmyelinated fibre. This rapid progression is called…

A

saltatory conduction

34
Q

What are proprioceptors?

A

Receptors in the semicircular canals of the ear

35
Q

What areas of the brain control respiration rate?

A

Brain stem

36
Q

What is most likely to indicate a deficiency of vitamin D?

A

Osteomalacia

37
Q

What can be described as an essential mineral?

A

Iron

38
Q

What Vitamin is given as an antidote to warfarin poisoning?

A

Vitamin K

39
Q

Osteomalacia may result from a deficiency of…

A

vitamin D

40
Q

Which vitamin has been shown to reduce the incidence of neural tube defects in the developing embryo?

A

Vitamin B9 (folic acid)

41
Q

What dietary component is a risk factor in the development of atherosclerosis?

A

Cholesterol

42
Q

Bacteria resident in the human intestine can provide a source of…

A

vitamin K

43
Q

The term haploid refers to cells that have …

A

23 chromosomes

44
Q

A sudden surge in luteinizing hormone…

A

triggers ovulation

45
Q

Where does spermatogenesis occur?

A

in the testes

46
Q

The fertilised ovum is called a…

A

zygote

47
Q

What is the innermost layer of the uterus called?

A

Endometrium

48
Q

What glands contributes the majority of the volume of seminal fluid?

A

Seminal vesicles

49
Q

The initial breast milk (first milk) that is yellow in colour and rich in nutrients is called…

A

colostrum

50
Q

The permanent cessation of reproductive fertility is called…

A

menopause

51
Q

What are the two types of macrophages?

A

Fixed and wandering

52
Q

What condition is most likely to cause fluid overload?

A

Anuresis

53
Q

What is an important function of the juxtaglomerular apparatus?

A

The synthesis of aldosterone.

54
Q

What term describes an infection of the bladder?

A

Cystitis

55
Q

Sensory information enters the spinal cord via the…

A

dorsal root.

56
Q

Cerebrospinal fluid is produced in the…

A

choroid plexus

57
Q

The term ‘saltatory conduction’ refers to the…

A

conduction of a nerve impulse along a myelinated axon.

58
Q

Dietary lipids are transported in the lymph and blood by…

A

chylomicrons.

59
Q

What is associated with a deficiency of vitamin D?

A

Rickets

60
Q

The complete hydrolysis of proteins yields…

A

amino acids.

61
Q

The muscle layer of the uterus is called the…

A

Myometrium

62
Q

The primary functions of progesterone during the menstrual cycle is to…

A

increase the thickness of the endometrium.

63
Q

Human chorionic gonadotrophin (HCG) is produced by the…

A

trophoblast cells of the chorion.

64
Q

What substance usually remains in the glomerulus during filtration?

A

Albumin

65
Q

Antidiuretic hormone alters the permeability of the …

A

Collecting duct

1020 Biosciences 2 (17 decks)

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