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HBS Unit 2 Review

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which region of the brain controls cognitive functions and self awareness?

a)

Parietal Lobe

b)

Frontal Lobe

c)

Occipital Lobe

d)

Temporal Lobe

2.

Which region of the brain is responsible for interpreting sensory information?

a)

Frontal Lobe

b)

Occipital Lobe

c)

Parietal Lobe

d)

Temporal Lobe

3.

Which region of the brain controls hearing and short term memory?

a)

Temporal Lobe

b)

Occipital Lobe

c)

Parietal Lobe

d)

Frontal Lobe

4.

Which brain structure controls coordination and balance?

a)

Brain Stem

b)

Cerebrum

c)

Cerebellum

d)

Thalamus

5.

Which area of the brain is located on the gyrus in the anterior most portion of the parietal lobe?

a)

Motor Cortex

b)

Sensory Cortex

c)

Auditory Cortex

d)

Parietal Cortex

6.

Which structure in the brain controls involuntary functions such as breathing, HR, BP

a)

Cerebellum

b)

Cerebrum

c)

Brain Stem

d)

Diencephalon

7.

Which neuron structure consists of many branches which receive stimuli?

a)

Axon terminals

b)

nodes of ranvier

c)

cell body

d)

dendrites

8.

After passing through the cell body an impulse in a neuron next enters the

a)

Axon

b)

Dendrites

c)

Synapse

d)

Myelin

9.

A resting or Polarized neuron has a __________ charge

a)

positive

b)

neutral

c)

negative

d)

visa

10.

Which of the following events leads to depolarization of a neuron?

a)

K+ channels open

b)

K+ channels close

c)

Na+ channels open

d)

Na+ channels close

11.

Which membrane protein returns a neuron's ions to the resting state?

a)

Na+ channels

b)

K+ channels

c)

Na/K pumps

d)

Cl- channels

12.

Hormones are recognized by their target cell through the use of

a)

protein receptors in the cell membrane

b)

pH

c)

Phospholipids in the cell membrane

d)

Neurotransmitters

13.

Which hormone decreases blood sugar by facilitating the uptake of glucose by cells?

a)

Glucagon

b)

Insulin

c)

T3 & T4

d)

TSH

14.

The activity of the pituitary gland is regulated by the

a)

Thyroid gland

b)

Adrenal gland

c)

Hypothalamus

d)

Pancreas

15.

Which of the following best describes the function of the thyroid gland?

a)

Regulates metabolism

b)

Stimulates growth

c)

Regulates blood sugar

d)

Regulates electrolytes/water

16.

Which of the following hormones targets cells of the testes and ovaries?

a)

TSH

b)

FSH

c)

T3 & T4

d)

ACTH

17.

Which of the following best describes the function of the adrenal glands?

a)

Regulates growth

b)

Regulates electrolyte / water balance

c)

Regulates metabolism

d)

Regulates sex cell formation

18.

Neurons are able to transmit messages across a synaptic cleft through the use of

a)

myelin

b)

glucose

c)

Neurotransmitters

d)

hormones

19.

The first eye structure through which light passes is the

a)

Cornea

b)

Pupil

c)

Iris

d)

Aqueous humor

20.

Nerve receptors in the retina which are responsible for vision when light levels are low and allow us to see only black and white are called

a)

cones

b)

rods

c)

blind spot

d)

optic nerve

21.

Area of the retina which contains no photoreceptors and is located over the optic nerve

a)

fovea centralis

b)

blind spot

c)

pupil

d)

iris

22.

Avascular structure of the eye suspended in the vitreous humor

a)

lens

b)

retina

c)

iris

d)

cornea

23.

Nervous system disorder caused by the breakdown of myelin covering the axons of nerves.

a)

Parkinsons

b)

ALS

c)

MS

d)

Huntingtons

24.

Symptoms of this disease center on loss of motor neurons controlling skeletal muscles. Cognitive brain function is unaffected.

a)

Parkinson's

b)

MS

c)

Huntington's

d)

ALS

25.

Nervous system disease which is a dominant hereditary disease leading to significant brain function decline.

a)

Huntington's

b)

ALS

c)

Parkinson's

d)

MS

26.

Disorder caused by abnormally high pressure in the eye, untreated leads to optic nerve damage and blindness.

a)

Cateracts

b)

Hyperopia

c)

Astigmatism

d)

Glaucoma

27.

Near sightedness is called

a)

hyperopia

b)

myopia

c)

emmetropia

d)

nearopia

28.

Condition that causes blurry vision due to abnormally curved cornea or lens.

a)

hyperopia

b)

myopia

c)

astigmatism

d)

macularism

29.

Which of the following eye conditions is a genetic disorder?

a)

Cateracts

b)

Glaucoma

c)

Color blindness

d)

Night blindness

30.

Clouding of the eye's lens occurs in

a)

Glaucoma

b)

Macular degeneration

c)

Cateracts

d)

Astigmatism