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Homeostasis Review

Total questions: 35

Worksheet time: 20mins

Name
Class
Date
1.

Identify the structure labelled "A" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

2.

Identify the structure labelled "B" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

3.

What two substances are should not be found in the normal glomerular filtrate? (select 2)

a)

Water

b)

Proteins

c)

Glucose

d)

Red blood cells

4.

During which process is 99% of the water returned to the blood vessels?

a)

Filtration

b)

Reabsorption

c)

Secretion

5.

Where does the majority of reabsorption take place?

a)

Proximal Tubule

b)

Distal Tubule

c)

Ascending Loop

d)

Descending Loop

6.
a)
Proximal convoluted tubule
b)
Distal convoluted tubule
c)
Descending loop of Henle
d)
Ascending loop of Henle
7.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
8.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
9.

In a positive feedback loop, each action creates a consequence that _____________________ the other action.

a)

decreases

b)

has no effect on

c)

amplifies

10.

The primary form of nitrogenous waste in humans is...

a)

Ammonia

b)

Urea

c)

Uric Acid

11.

The ____________________ gland(s) is found in the neck and controls the rate of energy needed (metabolism), shaped like a butterfly.

a)

pituitary

b)

parathyroid

c)

thyroid

d)

adrenal

12.

Which hormone stimulates contraction of the uterus?

a)

estrogens

b)

progesterone

c)

oxytocin

d)

androgens

13.

Which hormone stimulates the production of ova and sperm?

a)

oxytocin

b)

follicle-stimulating hormone

c)

androgens

d)

thyroid-stimulating hormone

14.

Which Pituitary Glans secretes 7 hormones?

a)

Anterior

b)

Posterior

c)

Thymus

d)

Hypothalamus

15.

Which hormone is produced when the blood glucose concentration is above normal?

a)

insulin

b)

glucagon

c)

both insulin and glucagon

d)

neither insulin nor glucagon

16.

What element is necessary for the T3 and T4 to be produced properly?

a)

sodium

b)

calcium

c)

magnesium

d)

iodine

17.

epinephrine is also known as

a)

vasopressin

b)

pitocin

c)

adrenalin

d)

growth hormone

18.

Which menstral phase is characterized by an increase in luteinizing hormone?

a)

Follicular phase

b)

Ovulation

c)

Flow phase

d)

Luteal phase

19.

What produces progesterone and estrogen after ovulation?

a)

Anterior pituitary

b)

Posterior pituitary

c)

Corpus luteum

d)

Follicle

20.

 LH and FSH are produced only in the ovaries.

a)

True

b)

False

21.
The area of the brain most associated with coordination and balance is the:
a)
Cerebellum
b)
Hippocampus
c)
Amygdala
d)
Pons
22.
The part of the neuron that receives signals is the:
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
23.
What causes the movement of vesicles towards the post-synaptic membrane?
a)
Influx of Ca++ 
b)
Influx of Na++
c)
Movement of K+ out of the cell
d)
Movement of Ca++ out of the cell
24.
The depolarization phase of an action potential is caused by:
a)
Na+ rushing into the axon
b)
K+ rushing out of the axon
c)
Ca++ rushing into the axon
d)
Activation of Na/K pumps
25.
This nervous system branch causes increases in heart rate and breathing.
a)
Sympathetic
b)
Parasympathetic
c)
Motor
d)
Sensory
26.

Extending from the cell body is one long fibre called a(n) _______ and smaller branched fibres called __________.

a)

axon, dendrites

b)

dendrites, axon

c)

axon, polar bodies

d)

Schwann cell, myelin sheath

27.

Axons are surrounded by _______________ , which protect and provide _____________ , because their membranes are rich in a lipid known as _______________.

a)

glial cells, defense, adipose

b)

channel proteins, structure, phospholipid

c)

cytoskeleton, insulation, phospholipid

d)

Schwann cells, insulation, myelin

28.
Nearsightedness is also known as ....
a)
Myopia
b)
Hyperpopia
c)
Presbyopia
d)
none of the above
29.

External ear consists of

a)

Pinna, auditory canal and ear drum

b)

Eustachian tube and oval window

c)

Vestibule, semicircular canals and cochlea

d)

Malleus, incus and stapes

30.

The impulse is generated and is transmitted to the temporal lobe when what happens?

a)

the eardrum vibrates

b)

the basilar membrane vibrates

c)

the oval window vibrates

d)

the hair cells are bent

31.

What is #13?

a)

Tympanic membrane

b)

Anvil

c)

Oval window

d)

Cochlea

32.
What is #6?
a)
Cochlea
b)
Eustachian Tube
c)
Semicircular Canal
d)
Round Window
33.

Name structure A

a)

Pupil

b)

Iris

c)

Cornea

d)

Retina

34.

Name structure G

a)

Lens

b)

Pupil

c)

Optic Nerve

d)

Ciliary Muscles

35.

Name Structure B

a)

Lens

b)

Pupil

c)

Sclera

d)

Cornea

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