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Bio 172 Exam 1 Review

Total questions: 62

Worksheet time: 34mins

Name
Class
Date
1.

General functions of the endocrine system

a)

Regulate metabolism

b)

Regulate blood volume, cellular concentration, and platelet number

c)

Contains cells that destroy microorganisms and cancer cells

d)

Controlling reproductive activities

2.

Master gland

a)

pituitary gland

b)

pineal gland

c)

adrenal gland

d)

thyroid gland

3.

T/F: the posterior pituitary makes and secretes its hormones

a)

true

b)

false

4.
  • which of the following is a disorder of oversecreting growth hormone that occurs in childhood?

a)
  • acromegaly

b)
  • gigantism

c)
  • dwarfism

d)
  • Grave's disease

5.

this hormone lowers blood calcium level

a)

calcium

b)

calcitonin

c)

parathyroid hormone

d)

thyroid hormone

6.

T/F: the pancreas is an endocrine and exocrine gland

a)

true

b)

false

7.

Select all related to Type 1 Diabetes

a)

insulin dependent

b)

absence of beta cells

c)

90-95% of all cases

d)

typically diagnosed in adulthood

8.

which of the following secretes melatonin?

a)

anterior pit

b)

posterior pit

c)

adrenal medulla

d)

pineal gland

9.

Blood is a type of ________ tissue

a)

epithelial

b)

connective

c)

muscle

d)

nervous

10.

Hormones secreted by the posterior pituitary gland include

a)

Aldosterone

b)

Antidiuretic hormone

c)

Oxytocin

d)

Follicle sitmulating hormone

11.

T/F: Aldosterone is secreted by the Zone glomerulosa and stimulates sodium excretion and potassium reabsorption

a)

true

b)

false

12.
  • Disease where too little cortisol is released, the skin darkens, and blood pressure drops

a)
  • Addison's Disease

b)
  • Grave's Disease

c)
  • Acromegaly

d)
  • Diabetes Mellitus

13.

Hormone stimulates estrogen secretion in women, and sperm production in men

a)

Prolactin

b)

Follicle Stimulating Hormone

c)

Luteinizing Hormone

d)

Oxytocin

14.

a lack of iodine leads to what occurring?

a)

growth hormone oversecretion

b)

lack of cortisol is secreted

c)

retaining too much water

d)

developing a goiter

15.

when my blood glucose level drops, I release which hormone to raise it?

a)

Insulin

b)

Glucagon

c)

Glucose

d)

Calcitonin

16.

Blood glucose level dropping and stimulating glucagon release is an example of which type of stimulation?

a)

hormonal

b)

neural

c)

postive feedback

d)

humoral

17.

The endocrine system is ________ to act and its effects last _________ than the nervous system.

a)

slower; shorter

b)

slower; longer

c)

faster; shorter

d)

faster; longer

18.
  • Antidiuretic has which of the following effects?

a)
  • vasoconstricts

b)
  • raises blood pressure

c)
  • stimulates water reabsorption

d)
  • enhances the effects of alcohol

19.

T/F: Calcitonin is the primary hormone that controls blood calcium levels

a)

true

b)

false

20.

downregulation will ________ the number of receptors on a cell in response to ________ of a hormone

a)

increase; excess

b)

decrease; excess

c)

increase; lack

d)

decrease; lack

21.

T/F: TH secretion slows in cold weather to focus on other important functions to keep the body wam

a)

true

b)

false

22.

process of breaking down glycogen into glucose

a)

gluconeogenesis

b)

glycogenesis

c)

glycogenolysis

d)

glycolysis

23.

T/F: It is okay for our urine to have some glucose in it, but high levels are alarming

a)

true

b)

false

24.

T/F: Hormones only stimulate cells that have receptors for them

a)

true

b)

false

25.

the framework of a blood clot is made up of

a)

fibrinogen

b)

fibrin

c)

albumin

d)

plasmin

26.

blood has the following characteristics

a)

more viscous than water

b)

pH 7.35-7.45

c)

about 8% body weight

d)

95º F (35º C)

27.

a drop in hematocrit indicates which condition?

a)

polycythemia

b)

anemia

c)

leukemia

d)

cirrhosis

28.

this WBC is the first at the site of infection

a)

lymphocyte

b)

eosinophil

c)

neutrophil

d)

monocyte

29.

Which type of hormone takes the slowest to create an effect?

a)

water soluble

b)

protein

c)

peptides

d)

steroid

30.

Which hormone stimulates milk ejection from the nipples of lactating mothers?

a)

follicle stimulating hormone

b)

prolactin

c)

oxytocin

d)

luteinizing hormone

31.

What type of hormones are estrogen and testosterone?

a)

estrogen is steroid, testosterone is protein

b)

estrogen is protein, testosterone is steroid

c)

both are protein

d)

both are steroid

32.

select the following you'd see in a patient with hypothyroidism

a)

thin

b)

low energy

c)

oversecretion of T3 and T4

d)

decreased BMR

33.

T/F: Steroid hormones have a cholesterol backbone.

a)

true

b)

false

34.

our stress hormone that affects blood glucose levels and has anti inflammatory properties

a)

aldosterone

b)

glucagon

c)

cortisol

d)

thyroid hormone

35.

the least abundant leukocyte

a)

eosinophil

b)

basophil

c)

monocyte

d)

neutrophil

36.

a person with type O blood can give to someone with

a)

Type O blood

b)

type A blood

c)

Type B blood

d)

Type AB blood

37.

T/F: a person with sickle cell anemia should not smoke because it creates more deoxyhemoglobin than they already have

a)

true

b)

false

38.

T/F: we need Factor X to convert thrombin into prothrombin to make fibrinogen into fibrin to form the clot

a)

true

b)

false

39.

which organ produces clotting proteins?

a)

bone marrow

b)

lymph nodes

c)

liver

d)

kidneys

40.

a person with type B blood can receive blood from someone with

a)

Type O blood

b)

Type B blood

c)

Type A blood

d)

Type AB blood

41.

order the steps in hemostasis.

a)

blood clot, platelet plug, blood vessel spasm

b)

blood vessel spasm, blood clot, platelet plug

c)

platelet plug, blood vessel spasm, blood clot

d)

blood vessem spasm, platelet plug, blood clot

42.
  • type of anemia that results from complete cessation of erythropoiesis due to failure or destruction of myeloid tissue

a)

pernicious

b)

aplastic

c)

hemolytic

d)

nutritional

43.

plasma protein that contributes to osmolarity and viscosity of blood

a)

albumin

b)

globulin

c)

fibrinogen

d)

plasminogen

44.

_______ is the production of blood

a)

hemopoiesis

b)

erythropoiesis

c)

leukopoiesis

d)

thrombopoiesis

45.

T/F: leukemia is an increase in white blood cells, while leukocytosis is a increase in immature white blood cells

a)

true

b)

false

46.

an increase in blood osmolarity will cause a(n)

a)

increase in BP

b)

decrease in BP

c)

increase in blood volume

d)

decrease in blood volume

47.

a person with a hematocrit of 60% probably has:

a)

this is normal

b)

too little RBCs

c)

too many RBCs

48.

select the correct rbc to wbc ratio (RBC:WBC)

a)

1:700

b)

700:1

c)

1:7000

d)

7000:1

49.

which condition affects the production of plasma proteins?

a)

liver cirrhosis

b)

Grave's disease

c)

glomerulonephritis

d)

polycythemia

50.

which of these give rise to RBCs, WBCs, and platelets?

a)

myeloid stem cells

b)

lymphoid stem cells

51.

cell clusters in the pancreas that secrete glycemic hormones

a)

zona reticularis

b)

islets of langerhans

c)

exoxrine glands

d)

pancreatic lipase

52.

the adrenal medulla releases

a)

mineralocorticoids

b)

glucocorticoids

c)

catecholamines

d)

androgens

53.

stimulates ovulation in females

a)

luteinizing hormone

b)

follicle stimulating hormone

c)

prolactin

d)

oxytocin

54.

the adrenal medulla releasing the catecholamines is an example of neural stimulation because

a)

it is an endocrine gland

b)

it is a modified parasympathetic ganglion

c)

is is a modified sympathetic ganglion

d)

it has cell bodies in the dorsal horn of the spinal cord

55.

T/F: a drawback to drawing blood from a vein rather than an artery is that we can't measure CO2 concentration in the blood

a)

true

b)

false

56.

blood plasma is composed primarily of

a)

water

b)

protein

c)

dissolved gasses

d)

waste products

57.

T/F: the prime metabolic effect of cortisol is gluconeogenesis

a)

true

b)

false

58.

each RBC has how many molecules of hemoglobin?

a)

>200

b)

>2,000

c)

>2,000,000

d)

>200,000,000

59.

Which type of WBC produces antibodies?

a)

monocytes

b)

T lymphocytes

c)

B lymphocytes

d)

basophils

60.

T/F: the body releases aldosterone in response to stress

a)

true

b)

false

61.

If i have type AB blood, I can receive from

a)

Type A

b)

Type B

c)

Type AB

d)

Type O

62.

what digests a blood clot when we want to remove it?

a)

plasminogen

b)

plasmin

c)

fibrinogen

d)

fibrin