Biology Exam II Flashcards


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1

What are the functions of a skeleton?

  • produce blood cells
  • provide sites for muscle attachment
  • protects internal organs

2

Another name for the collarbone is -

clavicle

3

What muscle is the prime mover of the hamstrings?

biceps femoris

4

Order for a reflex arc -

  1. sensory receptors generate nerve signals
  2. sensory neurons pass signals to interneurons
  3. interneurons synapse with motor neurons
  4. nerve signals travel along motor fibers to an effector
  5. there is a response to the stimulus

5

A bone that is broke but does not pierce the skin is -

simple fracture

6

What type of receptor responds to changes in temperature?

thermoreceptor

7

Destruction of the macula lutea that contains the fovea centralis results in -

macular degeneration

8

Aphasia is characterized by the inability to -

speak

9

What supplies the energy for muscle contraction?

ATP

10

The sensory receptors for taste are located in -

taste buds

11

Meningitis refers to -

inflammation of the meginges

12

What ion is responsible for initiating muscle contraction?

Ca2+

13

What are the bone-eating (reabsorbing) cells?

osteoclasts

14

The thoracic vertebrae are associated with the ribs.

True

15

The brain stem contains the midbrain, the pons, and the medulla oblongata.

true

16

The bone of the upper arm is -

humerus

17

The junctions between one neuron and another neuron are called -

synapses

18

Which disorder of the eye is due to the cornea or lens being uneven resulting in a fuzzy image?

astigmatism

19

Which of the following is a condition where our own immune system attacks the myelin sheath?

multiple sclerosis

20

The muscle that abducts and extends the humerus is the -

deltoid

21

What are the lobes of the cerebral hemisphere?

  • frontal
  • parietal
  • temporal
  • occipital

22

The clouding of the lens is an aging condition of the eyes called -

cataracts

23

What do the ventricles of the brain contain?

cerebrospinal fluid

24

Wernicke's area is associated with -

the ability to speak

25

Another name for the breastbone is the sternum.

true

26

What is an example of a long bone?

femur

27

To raise the mandible during chewing you would need to contract what muscle?

the masseter

28

The origin of a muscle is on a stationary bone.

true

29

What structure attaches a muscle to bone?

tendons

30

What is associated with the PNS but not the CNs?

Schwann cells

31

Which of the following is mismatched:

  1. sensory nerves - afferent
  2. motor nerves - efferent
  3. somatic motor nerves - smooth muscle, cardiac muscle, glands
  4. somatic sensory nerves - skin, muscles, joints, special senses
  5. visceral sensory nerves - body organs

somatic motor nerves

32

The end of a long bone is the -

epiphysis

33

What are examples of chemoreceptors?

taste and olfaction

34

What is not a type of neuron?

neuroglia

35

The structure that produces tears is called the -

lacrimal gland

36

What is the name of sudden and involuntary muscular contraction, often accompanied by pain?

spasm

37

What are the primary tastes?

sweet, bitter, salty

38

The muscle that extends the forearm is the -

triceps brachii

39

The two types of nerves in the peripheral nervous system are cranial nerves and spinal nerves.

True

40

The polio virus tends to multiply in sensory neurons and can lead to paralysis.

falso

41

The place where the optic nerve exits the eye is the -

blind spot

42

The olfactory receptors are located -

on nasal mucosa cilia

43

In the peripheral nervous system, neuroglia called ________ form the myelin sheath.

Schwann cells

44

Gustation and olfaction rely on each other to give complete perceptions of taste and smell.

True

45

Which brain system receives sensory information from the skin, skeletal muscles and tendons?

somatic system of the PNS

46

Proprioceptors are involved in the sense of -

limb position

47

The spinal cord belongs to the -

central nervous system

48

The motor speech area is found in the left frontal lobe and called -

Broca's area

49

Photoreceptors are located in the -

retina

50

The part of the brain that regulates essential functions such as breathing, blood pressure, and heart rate is the -

medulla oblongata

51

Which is the largest part of the brain?

cerebrum

52

Nocioceptors

  • are stimulated by chemicals released from damaged tissues
  • detect pain
  • are found in internal organs

53

A ligament connects -

bone to bone

54

Of the three types of muscle tissue, which is voluntary?

skeletal muscle

55

The feeling of pain on the body surface that has its origin in an internal organ is called -

referred pain