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Chapter 27

Total questions: 97

Worksheet time: 49mins

Name
Class
Date
1.

The endocrine system uses:

a)

Electrical signals

b)

Chemical hormones

c)

Digestive enzymes

d)

Neurotransmitters only

2.

Hormones travel through the:

a)

Lymph only

b)

Bloodstream

c)

Nerves

d)

Urinary system

3.

Hormones are produced by:

a)

Bones

b)

Endocrine glands

c)

Muscle cells

d)

Neurons

4.

The master gland is the:

a)

Thyroid

b)

Adrenal gland

c)

Pituitary gland

d)

Pancreas

5.

The hypothalamus controls:

a)

Heartbeat

b)

Pituitary gland

c)

Lungs

d)

Blood cells

6.

The anterior pituitary releases:

a)

Insulin

b)

Growth hormone

c)

Epinephrine

d)

Thyroid hormone

7.

Growth hormone stimulates:

a)

Bone and muscle growth

b)

Digestion

c)

Breathing rate

d)

Blood filtration

8.

The posterior pituitary stores:

a)

Insulin and glucagon

b)

TSH and ACTH

c)

ADH and oxytocin

d)

Testosterone only

9.

ADH works in the:

a)

Lungs

b)

Kidneys

c)

Stomach

d)

Brain

10.

ADH increases:

a)

Water reabsorption

b)

Water loss

c)

Sweating

d)

CO2 levels

11.

Oxytocin is involved in:

a)

Saliva production

b)

Fight-or-flight

c)

Childbirth contractions

d)

Sugar metabolism

12.

The thyroid gland produces:

a)

Cortisol

b)

Testosterone

c)

T3 and T4

d)

Glycogen

13.

Thyroid hormones regulate:

a)

Blood clotting

b)

Metabolism

c)

Vision

d)

Respiration

14.

The thyroid requires:

a)

Sodium

b)

Iron

c)

Iodine

d)

Potassium

15.

The parathyroid glands regulate:

a)

Blood calcium

b)

Heartbeat

c)

Oxygen transport

d)

Digestion

16.

PTH increases:

a)

Blood oxygen

b)

Blood calcium

c)

Blood sugar

d)

CO2 levels

17.

Calcitonin lowers:

a)

Blood calcium

b)

Blood sugar

c)

Blood pressure

d)

Body temperature

18.

The pancreas has both:

a)

Nervous and digestive functions

b)

Endocrine and exocrine functions

c)

Immune and respiratory functions

d)

Muscular and skeletal functions

19.

Insulin's role is to:

a)

Raise blood glucose

b)

Lower blood glucose

c)

Increase heart rate

d)

Increase digestion

20.

Glucagon works to:

a)

Lower blood glucose

b)

Store bile

c)

Raise blood glucose

d)

Stop digestion

21.

Diabetes occurs when:

a)

Blood glucose remains high due to insufficient insulin production or action

b)

Blood calcium is too low

c)

Oxygen levels exceed normal

d)

ADH secretion is elevated

22.

Type 1 diabetes means:

a)

Insulin is not produced

b)

Insulin receptors don’t work

c)

Too much insulin is produced

d)

Glucagon increases

23.

Type 2 diabetes means:

a)

Pancreas shuts down

b)

Cells don’t respond to insulin

c)

Too much insulin is stored

d)

Hormones stop traveling

24.

Adrenal glands sit on top of the:

a)

Stomach

b)

Lungs

c)

Kidneys

d)

Heart

25.

The adrenal medulla releases:

a)

Estrogen

b)

Insulin

c)

Epinephrine

d)

Thyroxine

26.

Epinephrine prepares the body for:

a)

Sleeping

b)

Fight-or-flight

c)

Digestion

d)

Fertilization

27.

The adrenal cortex produces:

a)

Growth hormone

b)

Cortisol

c)

Calcitonin

d)

Melanin

28.

Cortisol is released during:

a)

Eating

b)

Stress

c)

Deep sleep

d)

Dehydration

29.

Aldosterone regulates:

a)

Water balance

b)

Calcium levels

c)

Red blood cells

d)

Thyroid function

30.

Aldosterone increases:

a)

Sodium retention

b)

Glucose release

c)

Oxygen absorption

d)

Platelet formation

31.

The pineal gland produces:

a)

Melatonin

b)

Estrogen

c)

Adrenaline

d)

Growth hormone

32.

Melatonin regulates:

a)

Muscle strength

b)

Sleep cycles

c)

Blood pressure

d)

Breathing rate

33.

The thymus is important for:

a)

RBC growth

b)

T-cell maturation

c)

Germ-layer formation

d)

Breathing rate

34.

The thymus is largest during:

a)

Infancy

b)

Middle age

c)

Old age

d)

After puberty

35.

Steroid hormones are:

a)

Water-based

b)

Lipid-based

c)

Protein channels

d)

Enzymes

36.

Steroid hormones can:

a)

Not enter cells

b)

Enter cells directly

c)

Only bind membrane receptors

d)

Only affect blood

37.

Peptide hormones:

a)

Enter cells easily

b)

Bind surface receptors

c)

Are fats

d)

Are calcium-based

38.

Hormone receptors are found on:

a)

Any cell

b)

Only target cells

c)

Blood cells only

d)

Bones only

39.

Hormones cause effects by:

a)

Blocking DNA

b)

Activating target cells

c)

Breaking nutrients

d)

Creating antibodies

40.

Negative feedback controls:

a)

Hormone release

b)

Blood type

c)

Respiration

d)

Digestion only

41.

Too much thyroid hormone causes:

a)

Weight loss and heat intolerance

b)

Bradycardia and cold intolerance

c)

Decreased metabolism and constipation

d)

Reduced body temperature and weight gain

42.

Low thyroid hormone causes:

a)

Hyperthyroidism

b)

Hypothyroidism

c)

Fight-or-flight

d)

Bone loss

43.

Goiter can result from lack of:

a)

Calcium

b)

Iron

c)

Iodine

d)

Vitamin A

44.

The endocrine system works with the:

a)

Digestive system only

b)

Nervous system

c)

Skin

d)

Muscles only

45.

Hormones act more slowly than:

a)

Neurons

b)

Bones

c)

Blood cells

d)

Skin

46.

Hormones are released into:

a)

Ducts

b)

Blood

c)

Lymph nodes

d)

Muscles

47.

Endocrine glands are:

a)

Ductless

b)

Fluid-filled

c)

Always paired

d)

Only in abdomen

48.

The main control center for hormones is the:

a)

Heart

b)

Hypothalamus

c)

Kidney

d)

Liver

49.

The pituitary is divided into:

a)

1 lobe

b)

2 lobes

c)

3 lobes

d)

4 lobes

50.

Tropic hormones act on:

a)

Muscles

b)

Other glands

c)

Bones

d)

Immune cells

51.

FSH stimulates:

a)

Milk production

b)

Egg and sperm formation

c)

Growth plates

d)

Metabolism

52.

LH triggers:

a)

Sweating

b)

Ovulation

c)

Digestion

d)

Blood clotting

53.

Prolactin stimulates:

a)

Urination

b)

Milk production

c)

Digestion

d)

Muscle growth

54.

TSH stimulates the:

a)

Pancreas

b)

Thyroid gland

c)

Kidney

d)

Liver

55.

ACTH stimulates the:

a)

Thymus

b)

Adrenal cortex

c)

Pancreas

d)

Heart

56.

Too little insulin leads to:

a)

Low blood sugar

b)

High blood sugar

c)

High calcium

d)

Low CO2

57.

Too much insulin leads to:

a)

High blood sugar

b)

Low blood sugar

c)

Rapid breathing

d)

Fever

58.

The fight-or-flight response includes:

a)

Slow heart rate

b)

Low metabolism

c)

High heart rate and alertness

d)

Low breathing rate

59.

Androgens are produced by the:

a)

Pancreas

b)

Thyroid

c)

Testes

d)

Liver

60.

Estrogen is produced by the:

a)

Lungs

b)

Ovaries

c)

Kidneys

d)

Bones

61.

The pancreas releases hormones into the:

a)

Stomach

b)

Blood

c)

Lymph

d)

Muscles

62.

Endocrine disorders often involve:

a)

Lack of oxygen

b)

Too much or too little hormone

c)

Too much blood

d)

Excess protein

63.

The endocrine system maintains:

a)

Temperature only

b)

Blood sugar only

c)

Homeostasis

d)

Joint movement

64.

Hormonal signals last:

a)

Seconds

b)

Minutes to hours

c)

Microseconds

d)

Only during sleep

65.

Endocrine glands release hormones in response to:

a)

Nerve signals

b)

Blood chemistry

c)

Other hormones

d)

All of the above

66.

Epinephrine increases:

a)

Digestion

b)

Heart rate

c)

Urine production

d)

Bone density

67.

Cortisol increases:

a)

Stress response

b)

Hair growth

c)

Vision

d)

Carbon dioxide

68.

Insulin deficiency causes:

a)

Hyperthyroidism

b)

Hyperglycemia

c)

Hypoglycemia

d)

Low calcium

69.

Too much glucagon causes:

a)

Low blood sugar

b)

High blood sugar

c)

High oxygen

d)

Low calcium

70.

The hormone system is slower but more ____ than nerves.

a)

Temporary

b)

Permanent

c)

Long-lasting

d)

Reversible

71.

A target cell responds to a hormone if it has:

a)

Electrical charge

b)

Correct receptor

c)

Calcium

d)

Protein channels

72.

Steroid hormones affect the:

a)

DNA in the nucleus

b)

Kidney

c)

Lungs

d)

Skin

73.

Peptide hormones activate:

a)

Nuclear receptors

b)

Surface receptors

c)

Ribosomes

d)

Actin filaments

74.

Thyroid hormones increase:

a)

Metabolic rate

b)

Cell death

c)

RBC destruction

d)

Bone thinning

75.

Calcitonin is produced in the:

a)

Adrenal gland

b)

Thyroid

c)

Pancreas

d)

Liver

76.

Addison's disease is caused by:

a)

Too much cortisol

b)

Too little cortisol

c)

Too much insulin

d)

Too much TSH

77.

Cushing's syndrome is caused by:

a)

Too little cortisol

b)

Too much cortisol

c)

Too much oxytocin

d)

Too much calcitonin

78.

Graves' disease causes:

a)

Low thyroid hormone

b)

High thyroid hormone

c)

Low insulin

d)

High cortisol

79.

Hormonal imbalance can affect:

a)

Mood

b)

Metabolism

c)

Growth

d)

All of the above

80.

The endocrine system works by:

a)

Negative feedback loops

b)

Positive feedback only

c)

Electrical impulses through neurons

d)

Digestive enzyme secretion

81.

Hormone release is controlled by:

a)

Reflex loops

b)

Feedback loops

c)

Blood vessels

d)

Lymph fluid

82.

Endocrine glands differ from exocrine glands because they:

a)

Use ducts

b)

Release hormones into blood

c)

Release enzymes into organs

d)

Do not use hormones

83.

The thyroid sits:

a)

On top of kidneys

b)

In front of the trachea

c)

Behind the heart

d)

Behind the stomach

84.

Adrenal medulla controls:

a)

Digestion

b)

Fight-or-flight

c)

Calcium

d)

Bone integrity

85.

Pancreatic islets produce:

a)

Insulin and glucagon

b)

Thyroxine

c)

ADH

d)

Epinephrine

86.

The endocrine system coordinates with the nervous system by:

a)

Shutting it down

b)

Sharing signals

c)

Opposing its function

d)

Removing nerves

87.

Too much thyroid hormone causes:

a)

Low energy

b)

Weight loss

c)

Slow heart rate

d)

Growth defects

88.

Hormones are released in response to:

a)

Thoughts only

b)

Internal conditions

c)

Smell only

d)

Temperatures only

89.

Target cells ignore hormones if they lack:

a)

DNA

b)

Receptors

c)

Nuclei

d)

Glucose

90.

The main function of hormones is to:

a)

Break down food

b)

Regulate body processes

c)

Pump blood

d)

Produce oxygen

91.

Oxytocin also promotes:

a)

Milk letdown

b)

Blood clotting

c)

Digestion

d)

Bone growth

92.

Too little ADH leads to:

a)

Water retention

b)

Excessive urination

c)

Salt gain

d)

High blood sugar

93.

A hormone released during stress is:

a)

Insulin

b)

Cortisol

c)

Calcitonin

d)

Melatonin

94.

Diabetes insipidus is caused by:

a)

Lack of ADH

b)

Too much ADH

c)

Too much cortisol

d)

High glucagon

95.

Thyroxine increases:

a)

Bone density

b)

Heart rate and metabolism

c)

Blood clotting

d)

Urine formation

96.

Thyroid disorders often affect:

a)

Hearing

b)

Weight and energy

c)

Lung capacity

d)

Reflexes

97.

Pancreas malfunction causes:

a)

Diabetes

b)

Asthma

c)

Scoliosis

d)

Hypertension

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