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CH8.5 Explain Hormone Control

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

Which type of endocrine regulation occurs when nerve fibers directly stimulate a gland to release hormones?

a)

Humoral control

b)

Hormonal control

c)

Neural control

d)

Chemical control

2.

The fight-or-flight response is an example of neural control because it involves:

a)

Blood glucose levels changing

b)

Hormones released from other endocrine glands

c)

Direct stimulation of the adrenal medulla by the nervous system

d)

A negative feedback loop

3.

During the fight-or-flight response, which hormones are released from the adrenal medulla?

a)

Insulin and glucagon

b)

Thyroxine and calcitonin

c)

Epinephrine and norepinephrine

d)

Growth hormone and prolactin

4.

In hormonal control, which structure acts as the “president” of the endocrine system by directing the pituitary gland?

a)

Adrenal glands

b)

Hypothalamus

c)

Thyroid gland

d)

Pancreas

5.

When hormone levels from a target gland rise and signal the hypothalamus and pituitary to stop releasing hormones, this is known as:

a)

Positive feedback

b)

Neural regulation

c)

Hormonal amplification

d)

Negative feedback

6.

Which situation best represents humoral control?

a)

Increased heart rate during a scary movie

b)

The hypothalamus releasing TRH

c)

The pancreas releasing insulin in response to high blood glucose

d)

The pituitary releasing TSH

7.

A patient has low blood glucose levels. Which hormone will most likely be released to restore homeostasis?

a)

Insulin

b)

Epinephrine

c)

Glucagon

d)

Cortisol

8.

A student has difficulty falling asleep after using their phone late at night. Which hormone is most likely being disrupted?

a)
Melatonin
b)
Serotonin
c)
Adrenaline
d)
Cortisol
9.

Which gland releases the hormone responsible for regulating the sleep–wake cycle?

a)
Thyroid gland
b)
Adrenal gland
c)
Pineal gland
d)
Pituitary gland
10.

After skipping a meal, a student feels shaky and weak. Which hormone helps raise blood glucose levels?

a)
glucagon
b)
adrenaline
c)
cortisol
d)
insulin
11.

Insulin is best described as a hormone that:

a)
stimulates fat storage
b)
increases protein synthesis
c)
lowers blood pressure
d)

allows cells to take in glucose

12.

Which hormone is responsible for rapid increases in heart rate, breathing, and energy during an emergency?

a)
Adrenaline
b)
Thyroxine
c)
Insulin
d)
Cortisol
13.

A hormone involved in long-term stress and blood glucose regulation is:

a)
adrenaline
b)
insulin
c)
thyroxine
d)
cortisol
14.

Growth hormone (GH) is released from which gland?

a)
anterior pituitary gland
b)
adrenal cortex
c)
thyroid gland
d)
posterior pituitary gland
15.

Which hormone stimulates egg production in ovaries and sperm production in testes?

a)
Testosterone Hormone (TH)
b)
Luteinizing Hormone (LH)
c)
Follicle Stimulating Hormone (FSH)
d)
Estrogen Hormone (EH)
16.

Which hormone is responsible for male secondary sex characteristics such as facial hair and increased muscle mass?

a)
Estrogen
b)
Progesterone
c)
Cortisol
d)
Testosterone
17.

A decrease in blood calcium levels triggers the release of which hormone?

a)
Parathyroid hormone (PTH)
b)
Glucagon
c)
Insulin
d)
Calcitonin
18.

Which hormone helps lower blood calcium levels by promoting calcium storage in bones?

a)
insulin
b)
parathyroid hormone
c)
glucagon
d)
calcitonin
19.

A hormone that programs T-lymphocytes and supports immune system development is:

a)
thymosin
b)
adrenaline
c)
cortisol
d)
insulin
20.

Categorize the organs as endocrine or exocrine:

Categorize the following

Pineal gland

Pituitary gland

Thyroid gland
Adrenal gland

Pancreas (islet cells)

Ovaries
Testes
Salivary glands

Sweat glands

Mammary glands
Sebaceous glands

Pancreas (acinar cells)

Gastric glands

Parathyroid

Thymus

Prostate

Liver

Lacrimal glands

Endocrine Glands
Exocrine Glands